[INFO] cloning repository https://github.com/FreeMasen/log_maintenance
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FreeMasen/log_maintenance" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeMasen%2Flog_maintenance", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeMasen%2Flog_maintenance'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 523162bc4d06f4d803833a052a086456a93f4ff4
[INFO] testing FreeMasen/log_maintenance 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%2FFreeMasen%2Flog_maintenance" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FreeMasen/log_maintenance 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/FreeMasen/log_maintenance
[INFO] finished tweaking git repo https://github.com/FreeMasen/log_maintenance
[INFO] tweaked toml for git repo https://github.com/FreeMasen/log_maintenance written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/FreeMasen/log_maintenance 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e255ade3cd0407c27fceee54bfa2bceb11e8b1e5daa9aec932c16b9ea204940f
[INFO] running `Command { std: "docker" "start" "-a" "e255ade3cd0407c27fceee54bfa2bceb11e8b1e5daa9aec932c16b9ea204940f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e255ade3cd0407c27fceee54bfa2bceb11e8b1e5daa9aec932c16b9ea204940f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e255ade3cd0407c27fceee54bfa2bceb11e8b1e5daa9aec932c16b9ea204940f", kill_on_drop: false }`
[INFO] [stdout] e255ade3cd0407c27fceee54bfa2bceb11e8b1e5daa9aec932c16b9ea204940f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d4579d9dc6631960265bf1226f888f2b3c6657fb0f434678604f9356fcce6c80
[INFO] running `Command { std: "docker" "start" "-a" "d4579d9dc6631960265bf1226f888f2b3c6657fb0f434678604f9356fcce6c80", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling same-file v1.0.3
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling dirs v1.0.4
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling log_maintenance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     for (name, mut log) in files.iter_mut() {
[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 dev [unoptimized + debuginfo] target(s) in 12.63s
[INFO] running `Command { std: "docker" "inspect" "d4579d9dc6631960265bf1226f888f2b3c6657fb0f434678604f9356fcce6c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4579d9dc6631960265bf1226f888f2b3c6657fb0f434678604f9356fcce6c80", kill_on_drop: false }`
[INFO] [stdout] d4579d9dc6631960265bf1226f888f2b3c6657fb0f434678604f9356fcce6c80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] fabaebb26e2e8c17af14195b14803dd6ad8b46961d5e6c8c9f4866e3714be271
[INFO] running `Command { std: "docker" "start" "-a" "fabaebb26e2e8c17af14195b14803dd6ad8b46961d5e6c8c9f4866e3714be271", kill_on_drop: false }`
[INFO] [stderr]    Compiling log_maintenance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     for (name, mut log) in files.iter_mut() {
[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 0.55s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/log_maintenance-6da6a2e7d7619974)
[INFO] running `Command { std: "docker" "inspect" "fabaebb26e2e8c17af14195b14803dd6ad8b46961d5e6c8c9f4866e3714be271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fabaebb26e2e8c17af14195b14803dd6ad8b46961d5e6c8c9f4866e3714be271", kill_on_drop: false }`
[INFO] [stdout] fabaebb26e2e8c17af14195b14803dd6ad8b46961d5e6c8c9f4866e3714be271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e1e8aae40364103bcf6fb6e8a731fb22acad1c9e4f1e3f3246b7af52224934c3
[INFO] running `Command { std: "docker" "start" "-a" "e1e8aae40364103bcf6fb6e8a731fb22acad1c9e4f1e3f3246b7af52224934c3", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:39:16
[INFO] [stderr]    |
[INFO] [stderr] 39 |     for (name, mut log) in files.iter_mut() {
[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: `log_maintenance` (bin "log_maintenance" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/log_maintenance-6da6a2e7d7619974)
[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" "e1e8aae40364103bcf6fb6e8a731fb22acad1c9e4f1e3f3246b7af52224934c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1e8aae40364103bcf6fb6e8a731fb22acad1c9e4f1e3f3246b7af52224934c3", kill_on_drop: false }`
[INFO] [stdout] e1e8aae40364103bcf6fb6e8a731fb22acad1c9e4f1e3f3246b7af52224934c3