[INFO] cloning repository https://github.com/jiko21/binary-sampling-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jiko21/binary-sampling-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiko21%2Fbinary-sampling-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiko21%2Fbinary-sampling-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f1d4d514a79ab5f7c73de99e5e6ceb20d3185e2e [INFO] testing jiko21/binary-sampling-rust against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiko21%2Fbinary-sampling-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jiko21/binary-sampling-rust on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jiko21/binary-sampling-rust [INFO] finished tweaking git repo https://github.com/jiko21/binary-sampling-rust [INFO] tweaked toml for git repo https://github.com/jiko21/binary-sampling-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jiko21/binary-sampling-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d72dd25bbaa28a51f54bdca7b58078ad44ff44e588a686cb4071a8c96d3c9006 [INFO] running `Command { std: "docker" "start" "-a" "d72dd25bbaa28a51f54bdca7b58078ad44ff44e588a686cb4071a8c96d3c9006", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d72dd25bbaa28a51f54bdca7b58078ad44ff44e588a686cb4071a8c96d3c9006", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d72dd25bbaa28a51f54bdca7b58078ad44ff44e588a686cb4071a8c96d3c9006", kill_on_drop: false }` [INFO] [stdout] d72dd25bbaa28a51f54bdca7b58078ad44ff44e588a686cb4071a8c96d3c9006 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c5f414b7a839d2dfdbca5c2bdabaf74cac114a617f23678840fe307080bb7668 [INFO] running `Command { std: "docker" "start" "-a" "c5f414b7a839d2dfdbca5c2bdabaf74cac114a617f23678840fe307080bb7668", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling binary-sampling v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/main.rs:58:32 [INFO] [stdout] | [INFO] [stdout] 58 | BinaryTree::Node{weight, val, ref left, ref right, .. } => { [INFO] [stdout] | ^^^- [INFO] [stdout] | | [INFO] [stdout] | help: try removing the field [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:119:7 [INFO] [stdout] | [INFO] [stdout] 119 | for i in 0..10000000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:120:9 [INFO] [stdout] | [INFO] [stdout] 120 | let mut target = &root; [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.87s [INFO] running `Command { std: "docker" "inspect" "c5f414b7a839d2dfdbca5c2bdabaf74cac114a617f23678840fe307080bb7668", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5f414b7a839d2dfdbca5c2bdabaf74cac114a617f23678840fe307080bb7668", kill_on_drop: false }` [INFO] [stdout] c5f414b7a839d2dfdbca5c2bdabaf74cac114a617f23678840fe307080bb7668 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b1742c633db9a99276740d0209fbddc6cc1b8cfaad209f8dbf8e66b8f9f5c37c [INFO] running `Command { std: "docker" "start" "-a" "b1742c633db9a99276740d0209fbddc6cc1b8cfaad209f8dbf8e66b8f9f5c37c", kill_on_drop: false }` [INFO] [stderr] Compiling binary-sampling v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/main.rs:58:32 [INFO] [stdout] | [INFO] [stdout] 58 | BinaryTree::Node{weight, val, ref left, ref right, .. } => { [INFO] [stdout] | ^^^- [INFO] [stdout] | | [INFO] [stdout] | help: try removing the field [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:119:7 [INFO] [stdout] | [INFO] [stdout] 119 | for i in 0..10000000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:120:9 [INFO] [stdout] | [INFO] [stdout] 120 | let mut target = &root; [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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s [INFO] running `Command { std: "docker" "inspect" "b1742c633db9a99276740d0209fbddc6cc1b8cfaad209f8dbf8e66b8f9f5c37c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1742c633db9a99276740d0209fbddc6cc1b8cfaad209f8dbf8e66b8f9f5c37c", kill_on_drop: false }` [INFO] [stdout] b1742c633db9a99276740d0209fbddc6cc1b8cfaad209f8dbf8e66b8f9f5c37c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 29913d753b8f163ebfe04aaaacfe5169cf6d96a033645bfd903b56c4e6349fae [INFO] running `Command { std: "docker" "start" "-a" "29913d753b8f163ebfe04aaaacfe5169cf6d96a033645bfd903b56c4e6349fae", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `val` [INFO] [stderr] --> src/main.rs:58:32 [INFO] [stderr] | [INFO] [stderr] 58 | BinaryTree::Node{weight, val, ref left, ref right, .. } => { [INFO] [stderr] | ^^^- [INFO] [stderr] | | [INFO] [stderr] | help: try removing the field [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:119:7 [INFO] [stderr] | [INFO] [stderr] 119 | for i in 0..10000000 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:120:9 [INFO] [stderr] | [INFO] [stderr] 120 | let mut target = &root; [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: `binary-sampling` (bin "binary-sampling" test) generated 3 warnings (run `cargo fix --bin "binary-sampling" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/binary_sampling-34401916f2ae3540) [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] running `Command { std: "docker" "inspect" "29913d753b8f163ebfe04aaaacfe5169cf6d96a033645bfd903b56c4e6349fae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29913d753b8f163ebfe04aaaacfe5169cf6d96a033645bfd903b56c4e6349fae", kill_on_drop: false }` [INFO] [stdout] 29913d753b8f163ebfe04aaaacfe5169cf6d96a033645bfd903b56c4e6349fae