[INFO] cloning repository https://github.com/jalexvig/comprustion [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jalexvig/comprustion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjalexvig%2Fcomprustion", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjalexvig%2Fcomprustion'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 00ac1e71e39f4ec4cff4483e4fbe4919b878ee63 [INFO] testing jalexvig/comprustion against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjalexvig%2Fcomprustion" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jalexvig/comprustion on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jalexvig/comprustion [INFO] finished tweaking git repo https://github.com/jalexvig/comprustion [INFO] tweaked toml for git repo https://github.com/jalexvig/comprustion written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/jalexvig/comprustion already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] adae0f6f33eb0a9ec22080c1c67f056f2970e396c65700f7bada161a7d969217 [INFO] running `Command { std: "docker" "start" "-a" "adae0f6f33eb0a9ec22080c1c67f056f2970e396c65700f7bada161a7d969217", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "adae0f6f33eb0a9ec22080c1c67f056f2970e396c65700f7bada161a7d969217", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "adae0f6f33eb0a9ec22080c1c67f056f2970e396c65700f7bada161a7d969217", kill_on_drop: false }` [INFO] [stdout] adae0f6f33eb0a9ec22080c1c67f056f2970e396c65700f7bada161a7d969217 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 849ee08d6ccbd5fe70b631beb89760999d1ab7789b3dbf1408201cfacafcf3c1 [INFO] running `Command { std: "docker" "start" "-a" "849ee08d6ccbd5fe70b631beb89760999d1ab7789b3dbf1408201cfacafcf3c1", kill_on_drop: false }` [INFO] [stderr] Compiling bit-vec v0.4.4 [INFO] [stderr] Compiling comprustion v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/huffman.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | let mut start = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let mut start = 0; [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `comprustion::huffman` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use comprustion::huffman; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.52s [INFO] running `Command { std: "docker" "inspect" "849ee08d6ccbd5fe70b631beb89760999d1ab7789b3dbf1408201cfacafcf3c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "849ee08d6ccbd5fe70b631beb89760999d1ab7789b3dbf1408201cfacafcf3c1", kill_on_drop: false }` [INFO] [stdout] 849ee08d6ccbd5fe70b631beb89760999d1ab7789b3dbf1408201cfacafcf3c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 54a52d4498888be18a5e16371200bb06740596090cb0c3ef39d3d26259c7c992 [INFO] running `Command { std: "docker" "start" "-a" "54a52d4498888be18a5e16371200bb06740596090cb0c3ef39d3d26259c7c992", kill_on_drop: false }` [INFO] [stderr] Compiling comprustion v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/huffman.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | let mut start = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let mut start = 0; [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `comprustion::huffman` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use comprustion::huffman; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/huffman.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | let mut start = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let mut start = 0; [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.34s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "54a52d4498888be18a5e16371200bb06740596090cb0c3ef39d3d26259c7c992", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54a52d4498888be18a5e16371200bb06740596090cb0c3ef39d3d26259c7c992", kill_on_drop: false }` [INFO] [stdout] 54a52d4498888be18a5e16371200bb06740596090cb0c3ef39d3d26259c7c992 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] dad08e29bd1295b1b2b6b85e3326a84a467e18bd1248429d7a4058e4d0e1089f [INFO] running `Command { std: "docker" "start" "-a" "dad08e29bd1295b1b2b6b85e3326a84a467e18bd1248429d7a4058e4d0e1089f", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused variable: `start` [INFO] [stdout] running 2 tests [INFO] [stderr] --> src/huffman.rs:32:13 [INFO] [stdout] test huffman::tests::char_counts_simple_string ... ok [INFO] [stderr] | [INFO] [stdout] test huffman::tests::decoding_is_inverse ... ok [INFO] [stderr] 32 | let mut start = 0; [INFO] [stdout] [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/huffman.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let mut start = 0; [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: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `start` [INFO] [stderr] --> src/huffman.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | let mut start = 0; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/huffman.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let mut start = 0; [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: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `comprustion::huffman` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use comprustion::huffman; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/comprustion-9f04769114c150d5) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/comprustion-d3c8a64b3d488563) [INFO] [stdout] [INFO] [stderr] Doc-tests comprustion [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 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" "dad08e29bd1295b1b2b6b85e3326a84a467e18bd1248429d7a4058e4d0e1089f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dad08e29bd1295b1b2b6b85e3326a84a467e18bd1248429d7a4058e4d0e1089f", kill_on_drop: false }` [INFO] [stdout] dad08e29bd1295b1b2b6b85e3326a84a467e18bd1248429d7a4058e4d0e1089f