[INFO] cloning repository https://github.com/henryroyal/cli-lcm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/henryroyal/cli-lcm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenryroyal%2Fcli-lcm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenryroyal%2Fcli-lcm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6c8b2d54bdacf6484a7c76f3595abe707fc9232c [INFO] testing henryroyal/cli-lcm against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenryroyal%2Fcli-lcm" "/workspace/builds/worker-33/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/henryroyal/cli-lcm on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/henryroyal/cli-lcm [INFO] finished tweaking git repo https://github.com/henryroyal/cli-lcm [INFO] tweaked toml for git repo https://github.com/henryroyal/cli-lcm written to /workspace/builds/worker-33/source/Cargo.toml [INFO] crate git repo https://github.com/henryroyal/cli-lcm already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 73c45c8d638e73aca7154fc216e024c1ef445452f127250b4dcc9f039599474b [INFO] running `Command { std: "docker" "start" "-a" "73c45c8d638e73aca7154fc216e024c1ef445452f127250b4dcc9f039599474b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "73c45c8d638e73aca7154fc216e024c1ef445452f127250b4dcc9f039599474b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73c45c8d638e73aca7154fc216e024c1ef445452f127250b4dcc9f039599474b", kill_on_drop: false }` [INFO] [stdout] 73c45c8d638e73aca7154fc216e024c1ef445452f127250b4dcc9f039599474b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 45798d4f960dc29b50b575357400c8cf93c7d607dda1276772e413fdb72fdac5 [INFO] running `Command { std: "docker" "start" "-a" "45798d4f960dc29b50b575357400c8cf93c7d607dda1276772e413fdb72fdac5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling least_common_multiple v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let mut split = buffer.split_whitespace(); [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | stdin.read_line(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4m 28s [INFO] running `Command { std: "docker" "inspect" "45798d4f960dc29b50b575357400c8cf93c7d607dda1276772e413fdb72fdac5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45798d4f960dc29b50b575357400c8cf93c7d607dda1276772e413fdb72fdac5", kill_on_drop: false }` [INFO] [stdout] 45798d4f960dc29b50b575357400c8cf93c7d607dda1276772e413fdb72fdac5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b5191158055e31aea56c7cd4033fde24407fb37bd0d2b552583c51fe2766eb0d [INFO] running `Command { std: "docker" "start" "-a" "b5191158055e31aea56c7cd4033fde24407fb37bd0d2b552583c51fe2766eb0d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling least_common_multiple v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let mut split = buffer.split_whitespace(); [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | stdin.read_line(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.14s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/least_common_multiple-d78a203b176d40ca) [INFO] running `Command { std: "docker" "inspect" "b5191158055e31aea56c7cd4033fde24407fb37bd0d2b552583c51fe2766eb0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5191158055e31aea56c7cd4033fde24407fb37bd0d2b552583c51fe2766eb0d", kill_on_drop: false }` [INFO] [stdout] b5191158055e31aea56c7cd4033fde24407fb37bd0d2b552583c51fe2766eb0d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c81d444e3e105dbbc45b91b63f749718eacdfe5a84a335036e6457f2daa82448 [INFO] running `Command { std: "docker" "start" "-a" "c81d444e3e105dbbc45b91b63f749718eacdfe5a84a335036e6457f2daa82448", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let mut split = buffer.split_whitespace(); [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: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | stdin.read_line(&mut buffer); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `least_common_multiple` (bin "least_common_multiple" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 32.34s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/least_common_multiple-d78a203b176d40ca) [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" "c81d444e3e105dbbc45b91b63f749718eacdfe5a84a335036e6457f2daa82448", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c81d444e3e105dbbc45b91b63f749718eacdfe5a84a335036e6457f2daa82448", kill_on_drop: false }` [INFO] [stdout] c81d444e3e105dbbc45b91b63f749718eacdfe5a84a335036e6457f2daa82448