[INFO] cloning repository https://github.com/LegitBaboulinet/rust-cheatsheet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LegitBaboulinet/rust-cheatsheet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegitBaboulinet%2Frust-cheatsheet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegitBaboulinet%2Frust-cheatsheet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86a181851a96f4c915c28b0d44b5125e7873e3f4
[INFO] testing LegitBaboulinet/rust-cheatsheet against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegitBaboulinet%2Frust-cheatsheet" "/workspace/builds/worker-64/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-64/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LegitBaboulinet/rust-cheatsheet on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LegitBaboulinet/rust-cheatsheet
[INFO] finished tweaking git repo https://github.com/LegitBaboulinet/rust-cheatsheet
[INFO] tweaked toml for git repo https://github.com/LegitBaboulinet/rust-cheatsheet written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate git repo https://github.com/LegitBaboulinet/rust-cheatsheet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0e9157a22d971865467bb57d184637881552b71ec414bbff9e97b785ec2e280
[INFO] running `Command { std: "docker" "start" "-a" "a0e9157a22d971865467bb57d184637881552b71ec414bbff9e97b785ec2e280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0e9157a22d971865467bb57d184637881552b71ec414bbff9e97b785ec2e280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e9157a22d971865467bb57d184637881552b71ec414bbff9e97b785ec2e280", kill_on_drop: false }`
[INFO] [stdout] a0e9157a22d971865467bb57d184637881552b71ec414bbff9e97b785ec2e280
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a49680175b2eeaf387de1b9c6569c7a7d3d37a247fb0fe1128908c71c4acabd3
[INFO] running `Command { std: "docker" "start" "-a" "a49680175b2eeaf387de1b9c6569c7a7d3d37a247fb0fe1128908c71c4acabd3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-cheatsheet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/structs.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut p = Person::new("John", "Doe");
[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 9.17s
[INFO] running `Command { std: "docker" "inspect" "a49680175b2eeaf387de1b9c6569c7a7d3d37a247fb0fe1128908c71c4acabd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49680175b2eeaf387de1b9c6569c7a7d3d37a247fb0fe1128908c71c4acabd3", kill_on_drop: false }`
[INFO] [stdout] a49680175b2eeaf387de1b9c6569c7a7d3d37a247fb0fe1128908c71c4acabd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36ab5f2ad7b4365106923f96e18c0a702a69b9d035e748e8b951ec701b28eb57
[INFO] running `Command { std: "docker" "start" "-a" "36ab5f2ad7b4365106923f96e18c0a702a69b9d035e748e8b951ec701b28eb57", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-cheatsheet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/structs.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut p = Person::new("John", "Doe");
[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 27.59s
[INFO] running `Command { std: "docker" "inspect" "36ab5f2ad7b4365106923f96e18c0a702a69b9d035e748e8b951ec701b28eb57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36ab5f2ad7b4365106923f96e18c0a702a69b9d035e748e8b951ec701b28eb57", kill_on_drop: false }`
[INFO] [stdout] 36ab5f2ad7b4365106923f96e18c0a702a69b9d035e748e8b951ec701b28eb57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c2ba0c093772820ac17a45f6f18568d6a3f5d4cae73bc140ede74b266eb89fa6
[INFO] running `Command { std: "docker" "start" "-a" "c2ba0c093772820ac17a45f6f18568d6a3f5d4cae73bc140ede74b266eb89fa6", 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] [stdout] 
[INFO] [stderr]   --> src/structs.rs:48:9
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 48 |     let mut p = Person::new("John", "Doe");
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |         ----^
[INFO] [stdout] 
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-cheatsheet` (bin "rust-cheatsheet" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.40s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_cheatsheet-75ad76258bd93ed0)
[INFO] running `Command { std: "docker" "inspect" "c2ba0c093772820ac17a45f6f18568d6a3f5d4cae73bc140ede74b266eb89fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ba0c093772820ac17a45f6f18568d6a3f5d4cae73bc140ede74b266eb89fa6", kill_on_drop: false }`
[INFO] [stdout] c2ba0c093772820ac17a45f6f18568d6a3f5d4cae73bc140ede74b266eb89fa6