[INFO] cloning repository https://github.com/ekonetzni/machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ekonetzni/machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekonetzni%2Fmachine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekonetzni%2Fmachine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe4d8b34124e37d2137915c7c1fb5b2981ff14a5
[INFO] testing ekonetzni/machine against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekonetzni%2Fmachine" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ekonetzni/machine on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ekonetzni/machine
[INFO] finished tweaking git repo https://github.com/ekonetzni/machine
[INFO] tweaked toml for git repo https://github.com/ekonetzni/machine written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/ekonetzni/machine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 116cc76b822b844fb691d6a86ac1b9541e156ba3d3ae8d7af4302d1e3a17d258
[INFO] running `Command { std: "docker" "start" "-a" "116cc76b822b844fb691d6a86ac1b9541e156ba3d3ae8d7af4302d1e3a17d258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "116cc76b822b844fb691d6a86ac1b9541e156ba3d3ae8d7af4302d1e3a17d258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116cc76b822b844fb691d6a86ac1b9541e156ba3d3ae8d7af4302d1e3a17d258", kill_on_drop: false }`
[INFO] [stdout] 116cc76b822b844fb691d6a86ac1b9541e156ba3d3ae8d7af4302d1e3a17d258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b273fc9f42ef65bf7a548ae3fbb0011700a7e30a8af291bf623b52b3098b3bd
[INFO] running `Command { std: "docker" "start" "-a" "6b273fc9f42ef65bf7a548ae3fbb0011700a7e30a8af291bf623b52b3098b3bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling daemonize v0.4.1
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling confy v0.4.0
[INFO] [stderr]    Compiling machine-rusty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/machine.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub fn download(mut self) -> Self {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/machine.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn read(mut self) -> Self {
[INFO] [stdout]    |               ----^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.79s
[INFO] running `Command { std: "docker" "inspect" "6b273fc9f42ef65bf7a548ae3fbb0011700a7e30a8af291bf623b52b3098b3bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b273fc9f42ef65bf7a548ae3fbb0011700a7e30a8af291bf623b52b3098b3bd", kill_on_drop: false }`
[INFO] [stdout] 6b273fc9f42ef65bf7a548ae3fbb0011700a7e30a8af291bf623b52b3098b3bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 514bd326431755e481b689de151a8fffa163b99cb0bd7a3ed1e5ca3732df9367
[INFO] running `Command { std: "docker" "start" "-a" "514bd326431755e481b689de151a8fffa163b99cb0bd7a3ed1e5ca3732df9367", kill_on_drop: false }`
[INFO] [stderr]    Compiling machine-rusty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/machine.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub fn download(mut self) -> Self {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/machine.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn read(mut self) -> Self {
[INFO] [stdout]    |               ----^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "514bd326431755e481b689de151a8fffa163b99cb0bd7a3ed1e5ca3732df9367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "514bd326431755e481b689de151a8fffa163b99cb0bd7a3ed1e5ca3732df9367", kill_on_drop: false }`
[INFO] [stdout] 514bd326431755e481b689de151a8fffa163b99cb0bd7a3ed1e5ca3732df9367
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 507fa321718baa600313fe6f6a01b91f243270d1e4d46ae7f460531cd6b1631e
[INFO] running `Command { std: "docker" "start" "-a" "507fa321718baa600313fe6f6a01b91f243270d1e4d46ae7f460531cd6b1631e", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/machine.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 |   pub fn download(mut self) -> Self {
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/machine.rs:15:15
[INFO] [stderr]    |
[INFO] [stderr] 15 |   pub fn read(mut self) -> Self {
[INFO] [stderr]    |               ----^^^^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `machine-rusty` (bin "machine-rusty" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/machine_rusty-546d677d187c3c99)
[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" "507fa321718baa600313fe6f6a01b91f243270d1e4d46ae7f460531cd6b1631e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "507fa321718baa600313fe6f6a01b91f243270d1e4d46ae7f460531cd6b1631e", kill_on_drop: false }`
[INFO] [stdout] 507fa321718baa600313fe6f6a01b91f243270d1e4d46ae7f460531cd6b1631e