[INFO] cloning repository https://github.com/JimCooke/t-digest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JimCooke/t-digest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJimCooke%2Ft-digest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJimCooke%2Ft-digest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40a4f3d0862affa2407f3da18db76ff58e46b51b
[INFO] testing JimCooke/t-digest against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJimCooke%2Ft-digest" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JimCooke/t-digest on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JimCooke/t-digest
[INFO] finished tweaking git repo https://github.com/JimCooke/t-digest
[INFO] tweaked toml for git repo https://github.com/JimCooke/t-digest written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/JimCooke/t-digest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.85
[INFO] [stderr]   Downloaded quickersort v3.0.1
[INFO] [stderr]   Downloaded serde_json v1.0.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dec22bf738966ac39f9ce30cdaaa17ec8a9fcd69e54510e508a08500bbc19cd
[INFO] running `Command { std: "docker" "start" "-a" "1dec22bf738966ac39f9ce30cdaaa17ec8a9fcd69e54510e508a08500bbc19cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dec22bf738966ac39f9ce30cdaaa17ec8a9fcd69e54510e508a08500bbc19cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dec22bf738966ac39f9ce30cdaaa17ec8a9fcd69e54510e508a08500bbc19cd", kill_on_drop: false }`
[INFO] [stdout] 1dec22bf738966ac39f9ce30cdaaa17ec8a9fcd69e54510e508a08500bbc19cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8ccafb500a2ef514693364df6d032682e13c74909bd092aec2fc9b9767b43a1
[INFO] running `Command { std: "docker" "start" "-a" "f8ccafb500a2ef514693364df6d032682e13c74909bd092aec2fc9b9767b43a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling quickersort v3.0.1
[INFO] [stderr]    Compiling serde_json v1.0.37
[INFO] [stderr]    Compiling tdigest v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.79s
[INFO] running `Command { std: "docker" "inspect" "f8ccafb500a2ef514693364df6d032682e13c74909bd092aec2fc9b9767b43a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8ccafb500a2ef514693364df6d032682e13c74909bd092aec2fc9b9767b43a1", kill_on_drop: false }`
[INFO] [stdout] f8ccafb500a2ef514693364df6d032682e13c74909bd092aec2fc9b9767b43a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22e1e7fad08347add148925cb0d3089bc36e6837c5c23f5688113f17b3ce6a98
[INFO] running `Command { std: "docker" "start" "-a" "22e1e7fad08347add148925cb0d3089bc36e6837c5c23f5688113f17b3ce6a98", kill_on_drop: false }`
[INFO] [stderr]    Compiling tdigest v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/integration_test.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut str = match line {
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/integration_test.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut split = str.split_whitespace();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/integration_test.rs:141:21
[INFO] [stdout]     |
[INFO] [stdout] 141 | /                     format!(
[INFO] [stdout] 142 | |                         "       ... mean test FAILED! {} ~<> {}",
[INFO] [stdout] 143 | |                         t.mean(),
[INFO] [stdout] 144 | |                         answervec[idx]
[INFO] [stdout] 145 | |                     )
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     
[INFO] [stdout] 142 |                         "       ... mean test FAILED! {} ~<> {}",
[INFO] [stdout] 143 |                         t.mean(),
[INFO] [stdout] 144 |                         answervec[idx]
[INFO] [stdout] 145 |                     
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/integration_test.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 | /                     format!(
[INFO] [stdout] 155 | |                         "       ... variance test FAILED! {} ~<> {}",
[INFO] [stdout] 156 | |                         t.variance(),
[INFO] [stdout] 157 | |                         answervec[idx]
[INFO] [stdout] 158 | |                     )
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 154 |                     
[INFO] [stdout] 155 |                         "       ... variance test FAILED! {} ~<> {}",
[INFO] [stdout] 156 |                         t.variance(),
[INFO] [stdout] 157 |                         answervec[idx]
[INFO] [stdout] 158 |                     
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/integration_test.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 | /                     format!(
[INFO] [stdout] 168 | |                         "       ... standard deviation test FAILED! {} ~<> {}",
[INFO] [stdout] 169 | |                         t.stdev(),
[INFO] [stdout] 170 | |                         answervec[idx]
[INFO] [stdout] 171 | |                     )
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 167 |                     
[INFO] [stdout] 168 |                         "       ... standard deviation test FAILED! {} ~<> {}",
[INFO] [stdout] 169 |                         t.stdev(),
[INFO] [stdout] 170 |                         answervec[idx]
[INFO] [stdout] 171 |                     
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/integration_test.rs:180:21
[INFO] [stdout]     |
[INFO] [stdout] 180 | /                     format!(
[INFO] [stdout] 181 | |                         "    ... sum test FAILED! {} ~<> {}",
[INFO] [stdout] 182 | |                         t.sum(),
[INFO] [stdout] 183 | |                         answervec[idx]
[INFO] [stdout] 184 | |                     )
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 180 |                     
[INFO] [stdout] 181 |                         "    ... sum test FAILED! {} ~<> {}",
[INFO] [stdout] 182 |                         t.sum(),
[INFO] [stdout] 183 |                         answervec[idx]
[INFO] [stdout] 184 |                     
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/integration_test.rs:191:21
[INFO] [stdout]     |
[INFO] [stdout] 191 | /                     format!(
[INFO] [stdout] 192 | |                         "       ... count test FAILED! {} <> {}",
[INFO] [stdout] 193 | |                         t.count(),
[INFO] [stdout] 194 | |                         answervec[idx]
[INFO] [stdout] 195 | |                     )
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     
[INFO] [stdout] 192 |                         "       ... count test FAILED! {} <> {}",
[INFO] [stdout] 193 |                         t.count(),
[INFO] [stdout] 194 |                         answervec[idx]
[INFO] [stdout] 195 |                     
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "22e1e7fad08347add148925cb0d3089bc36e6837c5c23f5688113f17b3ce6a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e1e7fad08347add148925cb0d3089bc36e6837c5c23f5688113f17b3ce6a98", kill_on_drop: false }`
[INFO] [stdout] 22e1e7fad08347add148925cb0d3089bc36e6837c5c23f5688113f17b3ce6a98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea9e650db6bba328ed8dba85b59bd1ed8153a0c6a63d646bec6be80d448d8084
[INFO] running `Command { std: "docker" "start" "-a" "ea9e650db6bba328ed8dba85b59bd1ed8153a0c6a63d646bec6be80d448d8084", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/integration_test.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let mut str = match line {
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/integration_test.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let mut split = str.split_whitespace();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/integration_test.rs:141:21
[INFO] [stderr]     |
[INFO] [stderr] 141 | /                     format!(
[INFO] [stderr] 142 | |                         "       ... mean test FAILED! {} ~<> {}",
[INFO] [stderr] 143 | |                         t.mean(),
[INFO] [stderr] 144 | |                         answervec[idx]
[INFO] [stderr] 145 | |                     )
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 141 |                     
[INFO] [stderr] 142 |                         "       ... mean test FAILED! {} ~<> {}",
[INFO] [stderr] 143 |                         t.mean(),
[INFO] [stderr] 144 |                         answervec[idx]
[INFO] [stderr] 145 |                     
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/integration_test.rs:154:21
[INFO] [stderr]     |
[INFO] [stderr] 154 | /                     format!(
[INFO] [stderr] 155 | |                         "       ... variance test FAILED! {} ~<> {}",
[INFO] [stderr] 156 | |                         t.variance(),
[INFO] [stderr] 157 | |                         answervec[idx]
[INFO] [stderr] 158 | |                     )
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 154 |                     
[INFO] [stderr] 155 |                         "       ... variance test FAILED! {} ~<> {}",
[INFO] [stderr] 156 |                         t.variance(),
[INFO] [stderr] 157 |                         answervec[idx]
[INFO] [stderr] 158 |                     
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/integration_test.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 | /                     format!(
[INFO] [stderr] 168 | |                         "       ... standard deviation test FAILED! {} ~<> {}",
[INFO] [stderr] 169 | |                         t.stdev(),
[INFO] [stderr] 170 | |                         answervec[idx]
[INFO] [stderr] 171 | |                     )
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 167 |                     
[INFO] [stderr] 168 |                         "       ... standard deviation test FAILED! {} ~<> {}",
[INFO] [stderr] 169 |                         t.stdev(),
[INFO] [stderr] 170 |                         answervec[idx]
[INFO] [stderr] 171 |                     
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/integration_test.rs:180:21
[INFO] [stderr]     |
[INFO] [stderr] 180 | /                     format!(
[INFO] [stderr] 181 | |                         "    ... sum test FAILED! {} ~<> {}",
[INFO] [stderr] 182 | |                         t.sum(),
[INFO] [stderr] 183 | |                         answervec[idx]
[INFO] [stderr] 184 | |                     )
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 180 |                     
[INFO] [stderr] 181 |                         "    ... sum test FAILED! {} ~<> {}",
[INFO] [stderr] 182 |                         t.sum(),
[INFO] [stderr] 183 |                         answervec[idx]
[INFO] [stderr] 184 |                     
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/integration_test.rs:191:21
[INFO] [stderr]     |
[INFO] [stderr] 191 | /                     format!(
[INFO] [stderr] 192 | |                         "       ... count test FAILED! {} <> {}",
[INFO] [stderr] 193 | |                         t.count(),
[INFO] [stderr] 194 | |                         answervec[idx]
[INFO] [stderr] 195 | |                     )
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 191 |                     
[INFO] [stderr] 192 |                         "       ... count test FAILED! {} <> {}",
[INFO] [stderr] 193 |                         t.count(),
[INFO] [stderr] 194 |                         answervec[idx]
[INFO] [stderr] 195 |                     
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tdigest-d9a49a23513a64c5)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tdigest-d9d4d36f83e93c48)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-0755a20314686c42)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test run_merge_test ... FAILED
[INFO] [stdout] test integation_test_digests_with_datasets ... FAILED
[INFO] [stdout] test integation_test_save_digest ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- run_merge_test stdout ----
[INFO] [stdout] data/large-normal.dat
[INFO] [stdout] thread 'run_merge_test' panicked at 'Failed to open dataset data/large-normal.dat: No such file or directory (os error 2)', tests/integration_test.rs:247:17
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5651216b6690 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x5651216b6690 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5651216b6690 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5651216b6690 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x5651216da56c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x5651216b3705 - std::io::Write::write_fmt::h583dff5009d01a9f
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/io/mod.rs:1663:15
[INFO] [stdout]    6:     0x5651216b87fb - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x5651216b87fb - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x5651216b87fb - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x5651216b830c - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x5651216b8ec4 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x5651216b89a7 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x5651216b6b8c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x5651216b8909 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x565121609f1b - std::panicking::begin_panic_fmt::h124dfb9fde553188
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:457:5
[INFO] [stdout]   15:     0x56512160ee1b - integration_test::integration_test_merge::hd69089075248aa77
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_test.rs:247:17
[INFO] [stdout]   16:     0x565121612730 - integration_test::run_merge_test::he54975cd288d0337
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_test.rs:409:5
[INFO] [stdout]   17:     0x5651216126fa - integration_test::run_merge_test::{{closure}}::h6c1f147e77531d08
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_test.rs:408:1
[INFO] [stdout]   18:     0x5651216193de - core::ops::function::FnOnce::call_once::he1e6c6900be80165
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x565121641c53 - core::ops::function::FnOnce::call_once::h99a97b0ff983bd25
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x565121641c53 - test::__rust_begin_short_backtrace::h8fe0d26ed1584e50
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:577:5
[INFO] [stdout]   21:     0x5651216406e0 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6b90e352f394d8f
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   22:     0x5651216406e0 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1c05475e029700b8
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:347:9
[INFO] [stdout]   23:     0x5651216406e0 - std::panicking::try::do_call::he6de943476ae628a
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40
[INFO] [stdout]   24:     0x5651216406e0 - std::panicking::try::ha21937b8feb06f89
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19
[INFO] [stdout]   25:     0x5651216406e0 - std::panic::catch_unwind::ha79830b3325c9fa6
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14
[INFO] [stdout]   26:     0x5651216406e0 - test::run_test_in_process::h1ab180b83ee2d5b5
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:600:18
[INFO] [stdout]   27:     0x5651216406e0 - test::run_test::run_test_inner::{{closure}}::h8258ffe088f187a1
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:492:39
[INFO] [stdout]   28:     0x565121619ca2 - test::run_test::run_test_inner::{{closure}}::hc697b214abd32bc6
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:519:37
[INFO] [stdout]   29:     0x565121619ca2 - std::sys_common::backtrace::__rust_begin_short_backtrace::h64de0d3f894854a9
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   30:     0x56512161d8f8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h1fd98fc86e533ece
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   31:     0x56512161d8f8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4e2a7abf702e4cfd
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:347:9
[INFO] [stdout]   32:     0x56512161d8f8 - std::panicking::try::do_call::h4496392321a3c8c0
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40
[INFO] [stdout]   33:     0x56512161d8f8 - std::panicking::try::hf1e14258e04e8e9a
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19
[INFO] [stdout]   34:     0x56512161d8f8 - std::panic::catch_unwind::hb72c3777cd55642f
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14
[INFO] [stdout]   35:     0x56512161d8f8 - std::thread::Builder::spawn_unchecked::{{closure}}::h2d7915a5910e148e
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   36:     0x56512161d8f8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h83fd2f1ef5be797c
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   37:     0x5651216bda87 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha8b1d5a0092467fc
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   38:     0x5651216bda87 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4b9f24ec4e8a879e
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x5651216bda87 - std::sys::unix::thread::Thread::new::thread_start::h2a0e98fbc4ab4c32
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys/unix/thread.rs:72:17
[INFO] [stdout]   40:     0x7f7f1885f609 - start_thread
[INFO] [stdout]   41:     0x7f7f18631293 - clone
[INFO] [stdout]   42:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- integation_test_digests_with_datasets stdout ----
[INFO] [stdout] Testing small-normal ...
[INFO] [stdout] thread 'integation_test_digests_with_datasets' panicked at 'Failed to open dataset data/small-normal.dat: No such file or directory (os error 2)', tests/integration_test.rs:32:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5651216b6690 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x5651216b6690 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5651216b6690 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5651216b6690 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x5651216da56c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x5651216b3705 - std::io::Write::write_fmt::h583dff5009d01a9f
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/io/mod.rs:1663:15
[INFO] [stdout]    6:     0x5651216b87fb - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x5651216b87fb - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x5651216b87fb - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x5651216b830c - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x5651216b8ec4 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x5651216b89a7 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x5651216b6b8c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x5651216b8909 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x565121609f1b - std::panicking::begin_panic_fmt::h124dfb9fde553188
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:457:5
[INFO] [stdout]   15:     0x56512160b30b - integration_test::integration_test_digest::ha367afe566583280
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_test.rs:32:13
[INFO] [stdout]   16:     0x5651216126e0 - integration_test::integation_test_digests_with_datasets::h76f540930e2f8e7d
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_test.rs:221:5
[INFO] [stdout]   17:     0x5651216126aa - integration_test::integation_test_digests_with_datasets::{{closure}}::h8ca189ef19872231
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_test.rs:205:1
[INFO] [stdout]   18:     0x56512161939e - core::ops::function::FnOnce::call_once::hd3b22193046c8c04
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x565121641c53 - core::ops::function::FnOnce::call_once::h99a97b0ff983bd25
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x565121641c53 - test::__rust_begin_short_backtrace::h8fe0d26ed1584e50
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:577:5
[INFO] [stdout]   21:     0x5651216406e0 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6b90e352f394d8f
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   22:     0x5651216406e0 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1c05475e029700b8
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:347:9
[INFO] [stdout]   23:     0x5651216406e0 - std::panicking::try::do_call::he6de943476ae628a
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40
[INFO] [stdout]   24:     0x5651216406e0 - std::panicking::try::ha21937b8feb06f89
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19
[INFO] [stdout]   25:     0x5651216406e0 - std::panic::catch_unwind::ha79830b3325c9fa6
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14
[INFO] [stdout]   26:     0x5651216406e0 - test::run_test_in_process::h1ab180b83ee2d5b5
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:600:18
[INFO] [stdout]   27:     0x5651216406e0 - test::run_test::run_test_inner::{{closure}}::h8258ffe088f187a1
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:492:39
[INFO] [stdout]   28:     0x565121619ca2 - test::run_test::run_test_inner::{{closure}}::hc697b214abd32bc6
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:519:37
[INFO] [stdout]   29:     0x565121619ca2 - std::sys_common::backtrace::__rust_begin_short_backtrace::h64de0d3f894854a9
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   30:     0x56512161d8f8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h1fd98fc86e533ece
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   31:     0x56512161d8f8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4e2a7abf702e4cfd
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:347:9
[INFO] [stdout]   32:     0x56512161d8f8 - std::panicking::try::do_call::h4496392321a3c8c0
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40
[INFO] [stdout]   33:     0x56512161d8f8 - std::panicking::try::hf1e14258e04e8e9a
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19
[INFO] [stdout]   34:     0x56512161d8f8 - std::panic::catch_unwind::hb72c3777cd55642f
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14
[INFO] [stdout]   35:     0x56512161d8f8 - std::thread::Builder::spawn_unchecked::{{closure}}::h2d7915a5910e148e
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   36:     0x56512161d8f8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h83fd2f1ef5be797c
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   37:     0x5651216bda87 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha8b1d5a0092467fc
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   38:     0x5651216bda87 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4b9f24ec4e8a879e
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x5651216bda87 - std::sys::unix::thread::Thread::new::thread_start::h2a0e98fbc4ab4c32
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys/unix/thread.rs:72:17
[INFO] [stdout]   40:     0x7f7f1885f609 - start_thread
[INFO] [stdout]   41:     0x7f7f18631293 - clone
[INFO] [stdout]   42:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- integation_test_save_digest stdout ----
[INFO] [stdout] thread 'integation_test_save_digest' panicked at 'Failed to save centroid centroids/centroid_test.json: No such file or directory (os error 2)', tests/integration_test.rs:18:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5651216b6690 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x5651216b6690 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5651216b6690 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5651216b6690 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x5651216da56c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x5651216b3705 - std::io::Write::write_fmt::h583dff5009d01a9f
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/io/mod.rs:1663:15
[INFO] [stdout]    6:     0x5651216b87fb - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x5651216b87fb - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x5651216b87fb - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x5651216b830c - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x5651216b8ec4 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x5651216b89a7 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x5651216b6b8c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x5651216b8909 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x565121609f1b - std::panicking::begin_panic_fmt::h124dfb9fde553188
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:457:5
[INFO] [stdout]   15:     0x56512161267b - integration_test::integation_test_save_digest::hf373d12e0ef26515
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_test.rs:18:13
[INFO] [stdout]   16:     0x5651216123fa - integration_test::integation_test_save_digest::{{closure}}::h2bff90c3e0f435b3
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_test.rs:11:1
[INFO] [stdout]   17:     0x56512161934e - core::ops::function::FnOnce::call_once::h98945ef784a3496c
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   18:     0x565121641c53 - core::ops::function::FnOnce::call_once::h99a97b0ff983bd25
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x565121641c53 - test::__rust_begin_short_backtrace::h8fe0d26ed1584e50
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:577:5
[INFO] [stdout]   20:     0x5651216406e0 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6b90e352f394d8f
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   21:     0x5651216406e0 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1c05475e029700b8
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:347:9
[INFO] [stdout]   22:     0x5651216406e0 - std::panicking::try::do_call::he6de943476ae628a
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40
[INFO] [stdout]   23:     0x5651216406e0 - std::panicking::try::ha21937b8feb06f89
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19
[INFO] [stdout]   24:     0x5651216406e0 - std::panic::catch_unwind::ha79830b3325c9fa6
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14
[INFO] [stdout]   25:     0x5651216406e0 - test::run_test_in_process::h1ab180b83ee2d5b5
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:600:18
[INFO] [stdout]   26:     0x5651216406e0 - test::run_test::run_test_inner::{{closure}}::h8258ffe088f187a1
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:492:39
[INFO] [stdout]   27:     0x565121619ca2 - test::run_test::run_test_inner::{{closure}}::hc697b214abd32bc6
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:519:37
[INFO] [stdout]   28:     0x565121619ca2 - std::sys_common::backtrace::__rust_begin_short_backtrace::h64de0d3f894854a9
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   29:     0x56512161d8f8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h1fd98fc86e533ece
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   30:     0x56512161d8f8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4e2a7abf702e4cfd
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:347:9
[INFO] [stdout]   31:     0x56512161d8f8 - std::panicking::try::do_call::h4496392321a3c8c0
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40
[INFO] [stdout]   32:     0x56512161d8f8 - std::panicking::try::hf1e14258e04e8e9a
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19
[INFO] [stdout]   33:     0x56512161d8f8 - std::panic::catch_unwind::hb72c3777cd55642f
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14
[INFO] [stdout]   34:     0x56512161d8f8 - std::thread::Builder::spawn_unchecked::{{closure}}::h2d7915a5910e148e
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   35:     0x56512161d8f8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h83fd2f1ef5be797c
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   36:     0x5651216bda87 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha8b1d5a0092467fc
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   37:     0x5651216bda87 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4b9f24ec4e8a879e
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   38:     0x5651216bda87 - std::sys::unix::thread::Thread::new::thread_start::h2a0e98fbc4ab4c32
[INFO] [stdout]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys/unix/thread.rs:72:17
[INFO] [stdout]   39:     0x7f7f1885f609 - start_thread
[INFO] [stdout]   40:     0x7f7f18631293 - clone
[INFO] [stdout]   41:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     integation_test_digests_with_datasets
[INFO] [stdout]     integation_test_save_digest
[INFO] [stdout]     run_merge_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test integration_test'
[INFO] running `Command { std: "docker" "inspect" "ea9e650db6bba328ed8dba85b59bd1ed8153a0c6a63d646bec6be80d448d8084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea9e650db6bba328ed8dba85b59bd1ed8153a0c6a63d646bec6be80d448d8084", kill_on_drop: false }`
[INFO] [stdout] ea9e650db6bba328ed8dba85b59bd1ed8153a0c6a63d646bec6be80d448d8084