[INFO] cloning repository https://github.com/benmp/specs_plugin_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benmp/specs_plugin_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenmp%2Fspecs_plugin_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenmp%2Fspecs_plugin_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb593662284067adfee5a6ae4152fdb204874cbc
[INFO] testing benmp/specs_plugin_example against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenmp%2Fspecs_plugin_example" "/workspace/builds/worker-112/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-112/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benmp/specs_plugin_example on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benmp/specs_plugin_example
[INFO] finished tweaking git repo https://github.com/benmp/specs_plugin_example
[INFO] tweaked toml for git repo https://github.com/benmp/specs_plugin_example written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate git repo https://github.com/benmp/specs_plugin_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm_terminal v0.2.6
[INFO] [stderr]   Downloaded notify v4.0.13
[INFO] [stderr]   Downloaded shred v0.9.2
[INFO] [stderr]   Downloaded crossterm_cursor v0.2.6
[INFO] [stderr]   Downloaded crossterm_utils v0.2.4
[INFO] [stderr]   Downloaded crossterm v0.10.2
[INFO] [stderr]   Downloaded crossterm_screen v0.2.5
[INFO] [stderr]   Downloaded crossterm_style v0.4.1
[INFO] [stderr]   Downloaded crossterm_input v0.3.9
[INFO] [stderr]   Downloaded cc v1.0.42
[INFO] [stderr]   Downloaded specs v0.15.0
[INFO] [stderr]   Downloaded crossterm_winapi v0.1.5
[INFO] [stderr]   Downloaded dynamic_reload v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a28f447ccaf6ae927c0348a615caef8cc9a6eb58e9aabb93cad8c4e4987db0d5
[INFO] running `Command { std: "docker" "start" "-a" "a28f447ccaf6ae927c0348a615caef8cc9a6eb58e9aabb93cad8c4e4987db0d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a28f447ccaf6ae927c0348a615caef8cc9a6eb58e9aabb93cad8c4e4987db0d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a28f447ccaf6ae927c0348a615caef8cc9a6eb58e9aabb93cad8c4e4987db0d5", kill_on_drop: false }`
[INFO] [stdout] a28f447ccaf6ae927c0348a615caef8cc9a6eb58e9aabb93cad8c4e4987db0d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 777b5c19b37073d8a5229c254417bae2d38a689232926ef4a51adfa7e1415e5c
[INFO] running `Command { std: "docker" "start" "-a" "777b5c19b37073d8a5229c254417bae2d38a689232926ef4a51adfa7e1415e5c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling components v0.1.0 (/opt/rustwide/workdir/components)
[INFO] [stderr]    Compiling crossterm_utils v0.2.4
[INFO] [stderr]    Compiling crossterm_screen v0.2.5
[INFO] [stderr]    Compiling crossterm_cursor v0.2.6
[INFO] [stderr]    Compiling crossterm_style v0.4.1
[INFO] [stderr]    Compiling crossterm_input v0.3.9
[INFO] [stderr]    Compiling crossterm_terminal v0.2.6
[INFO] [stderr]    Compiling crossterm v0.10.2
[INFO] [stderr]    Compiling charr_dylib v0.1.0 (/opt/rustwide/workdir/scripts/charr_dylib)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> scripts/charr_dylib/src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     crossterm.cursor().goto(position.x, position.y);
[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: unused `Result` that must be used
[INFO] [stdout]  --> scripts/charr_dylib/src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     crossterm.terminal().write(&character.0);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[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 55.26s
[INFO] running `Command { std: "docker" "inspect" "777b5c19b37073d8a5229c254417bae2d38a689232926ef4a51adfa7e1415e5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "777b5c19b37073d8a5229c254417bae2d38a689232926ef4a51adfa7e1415e5c", kill_on_drop: false }`
[INFO] [stdout] 777b5c19b37073d8a5229c254417bae2d38a689232926ef4a51adfa7e1415e5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb6eb28033186a19f5614d5c362c78ed64f9c919202e3faeedfbdecb77028042
[INFO] running `Command { std: "docker" "start" "-a" "eb6eb28033186a19f5614d5c362c78ed64f9c919202e3faeedfbdecb77028042", kill_on_drop: false }`
[INFO] [stderr]    Compiling charr_dylib v0.1.0 (/opt/rustwide/workdir/scripts/charr_dylib)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> scripts/charr_dylib/src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     crossterm.cursor().goto(position.x, position.y);
[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: unused `Result` that must be used
[INFO] [stdout]  --> scripts/charr_dylib/src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     crossterm.terminal().write(&character.0);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[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 0.80s
[INFO] running `Command { std: "docker" "inspect" "eb6eb28033186a19f5614d5c362c78ed64f9c919202e3faeedfbdecb77028042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb6eb28033186a19f5614d5c362c78ed64f9c919202e3faeedfbdecb77028042", kill_on_drop: false }`
[INFO] [stdout] eb6eb28033186a19f5614d5c362c78ed64f9c919202e3faeedfbdecb77028042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72b92a9bcc7679964ed3868d71e064fdb15860b7cc5de25328714d3c7bad5546
[INFO] running `Command { std: "docker" "start" "-a" "72b92a9bcc7679964ed3868d71e064fdb15860b7cc5de25328714d3c7bad5546", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]  --> scripts/charr_dylib/src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     crossterm.cursor().goto(position.x, position.y);
[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: unused `Result` that must be used
[INFO] [stderr]  --> scripts/charr_dylib/src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     crossterm.terminal().write(&character.0);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `charr_dylib` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/charr_dylib-2674bb60cbf0050e)
[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" "72b92a9bcc7679964ed3868d71e064fdb15860b7cc5de25328714d3c7bad5546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b92a9bcc7679964ed3868d71e064fdb15860b7cc5de25328714d3c7bad5546", kill_on_drop: false }`
[INFO] [stdout] 72b92a9bcc7679964ed3868d71e064fdb15860b7cc5de25328714d3c7bad5546