[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] checking JimCooke/t-digest against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJimCooke%2Ft-digest" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JimCooke/t-digest on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-6/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2c0a0ae432c8db2c13fd8c2cb17eb40dfc4d1218bf535ab8078438a9d7aac9c5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2c0a0ae432c8db2c13fd8c2cb17eb40dfc4d1218bf535ab8078438a9d7aac9c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c0a0ae432c8db2c13fd8c2cb17eb40dfc4d1218bf535ab8078438a9d7aac9c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c0a0ae432c8db2c13fd8c2cb17eb40dfc4d1218bf535ab8078438a9d7aac9c5", kill_on_drop: false }` [INFO] [stdout] 2c0a0ae432c8db2c13fd8c2cb17eb40dfc4d1218bf535ab8078438a9d7aac9c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b3554a539a6481ce0242ef15be65ba0870a7ebc6e2aa1f2fe432554cba937ba3 [INFO] running `Command { std: "docker" "start" "-a" "b3554a539a6481ce0242ef15be65ba0870a7ebc6e2aa1f2fe432554cba937ba3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling serde v1.0.85 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking quickersort v3.0.1 [INFO] [stderr] Checking serde_json v1.0.37 [INFO] [stderr] Checking 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_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [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 is no longer accepted in Rust 2021 [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [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 is no longer accepted in Rust 2021 [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [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 is no longer accepted in Rust 2021 [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [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 is no longer accepted in Rust 2021 [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.21s [INFO] running `Command { std: "docker" "inspect" "b3554a539a6481ce0242ef15be65ba0870a7ebc6e2aa1f2fe432554cba937ba3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3554a539a6481ce0242ef15be65ba0870a7ebc6e2aa1f2fe432554cba937ba3", kill_on_drop: false }` [INFO] [stdout] b3554a539a6481ce0242ef15be65ba0870a7ebc6e2aa1f2fe432554cba937ba3