[INFO] fetching crate fakelua 0.0.1...
[INFO] testing fakelua-0.0.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate fakelua 0.0.1 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate fakelua 0.0.1 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 crates.io crate fakelua 0.0.1
[INFO] finished tweaking crates.io crate fakelua 0.0.1
[INFO] tweaked toml for crates.io crate fakelua 0.0.1 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate crates.io crate fakelua 0.0.1 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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] dca8f8c7c8cc4dd9a021c5fcdc86c6d9e2a5958a6450caff7c89ce785ce4679a
[INFO] running `Command { std: "docker" "start" "-a" "dca8f8c7c8cc4dd9a021c5fcdc86c6d9e2a5958a6450caff7c89ce785ce4679a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dca8f8c7c8cc4dd9a021c5fcdc86c6d9e2a5958a6450caff7c89ce785ce4679a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca8f8c7c8cc4dd9a021c5fcdc86c6d9e2a5958a6450caff7c89ce785ce4679a", kill_on_drop: false }`
[INFO] [stdout] dca8f8c7c8cc4dd9a021c5fcdc86c6d9e2a5958a6450caff7c89ce785ce4679a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 4ec4a8d0dfb88b9dcb89eed1869ff3245f428d9d1e5aae9288f25dab57428cc5
[INFO] running `Command { std: "docker" "start" "-a" "4ec4a8d0dfb88b9dcb89eed1869ff3245f428d9d1e5aae9288f25dab57428cc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling fakelua v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/fakelua.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut r = Lua { id: 1 };
[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: field is never read: `id`
[INFO] [stdout]  --> src/fakelua.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     id: i32,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "4ec4a8d0dfb88b9dcb89eed1869ff3245f428d9d1e5aae9288f25dab57428cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ec4a8d0dfb88b9dcb89eed1869ff3245f428d9d1e5aae9288f25dab57428cc5", kill_on_drop: false }`
[INFO] [stdout] 4ec4a8d0dfb88b9dcb89eed1869ff3245f428d9d1e5aae9288f25dab57428cc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 3e1b7670a0402ad2b308dec0e0f0f309be534f3fa54e5a35f07fd1f0f780ffbd
[INFO] running `Command { std: "docker" "start" "-a" "3e1b7670a0402ad2b308dec0e0f0f309be534f3fa54e5a35f07fd1f0f780ffbd", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/fakelua.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut r = Lua { id: 1 };
[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] [stderr]    Compiling fakelua v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]  --> src/fakelua.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     id: i32,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/fakelua.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut r = Lua { id: 1 };
[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: field is never read: `id`
[INFO] [stdout]  --> src/fakelua.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     id: i32,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3e1b7670a0402ad2b308dec0e0f0f309be534f3fa54e5a35f07fd1f0f780ffbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e1b7670a0402ad2b308dec0e0f0f309be534f3fa54e5a35f07fd1f0f780ffbd", kill_on_drop: false }`
[INFO] [stdout] 3e1b7670a0402ad2b308dec0e0f0f309be534f3fa54e5a35f07fd1f0f780ffbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] dd1dd7e3df6c245f99954f163818a636216538eb1dfc18367da9d0406b62f332
[INFO] running `Command { std: "docker" "start" "-a" "dd1dd7e3df6c245f99954f163818a636216538eb1dfc18367da9d0406b62f332", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/fakelua.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut r = Lua { id: 1 };
[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: field is never read: `id`
[INFO] [stderr]  --> src/fakelua.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     id: i32,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fakelua` (lib) generated 2 warnings
[INFO] [stderr] warning: `fakelua` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fakelua-2407eb15c3b72617)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fakelua
[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" "dd1dd7e3df6c245f99954f163818a636216538eb1dfc18367da9d0406b62f332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd1dd7e3df6c245f99954f163818a636216538eb1dfc18367da9d0406b62f332", kill_on_drop: false }`
[INFO] [stdout] dd1dd7e3df6c245f99954f163818a636216538eb1dfc18367da9d0406b62f332