[INFO] cloning repository https://github.com/gallowstree/dancing-letters
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gallowstree/dancing-letters" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgallowstree%2Fdancing-letters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgallowstree%2Fdancing-letters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02b98e2defcebafece1de4290fe7c2894863b629
[INFO] testing gallowstree/dancing-letters 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%2Fgallowstree%2Fdancing-letters" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gallowstree/dancing-letters 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/gallowstree/dancing-letters
[INFO] finished tweaking git repo https://github.com/gallowstree/dancing-letters
[INFO] tweaked toml for git repo https://github.com/gallowstree/dancing-letters written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/gallowstree/dancing-letters 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] bd7318a8868be592cb9af157d938a3fd5b2f6a49f0068c1203be24f032252e49
[INFO] running `Command { std: "docker" "start" "-a" "bd7318a8868be592cb9af157d938a3fd5b2f6a49f0068c1203be24f032252e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd7318a8868be592cb9af157d938a3fd5b2f6a49f0068c1203be24f032252e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd7318a8868be592cb9af157d938a3fd5b2f6a49f0068c1203be24f032252e49", kill_on_drop: false }`
[INFO] [stdout] bd7318a8868be592cb9af157d938a3fd5b2f6a49f0068c1203be24f032252e49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 69118d3dd37f3bd281af85e70521ded843532492ede21d47d8e3d98b90f63303
[INFO] running `Command { std: "docker" "start" "-a" "69118d3dd37f3bd281af85e70521ded843532492ede21d47d8e3d98b90f63303", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dancing-letters v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "69118d3dd37f3bd281af85e70521ded843532492ede21d47d8e3d98b90f63303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69118d3dd37f3bd281af85e70521ded843532492ede21d47d8e3d98b90f63303", kill_on_drop: false }`
[INFO] [stdout] 69118d3dd37f3bd281af85e70521ded843532492ede21d47d8e3d98b90f63303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] ab4ded8292c9991d720adbf674528418a3ea086bf3637b7d77980a9dd55ba12e
[INFO] running `Command { std: "docker" "start" "-a" "ab4ded8292c9991d720adbf674528418a3ea086bf3637b7d77980a9dd55ba12e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dancing-letters v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.01s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/dancing_letters-2cbe4076ae78cb92)
[INFO] running `Command { std: "docker" "inspect" "ab4ded8292c9991d720adbf674528418a3ea086bf3637b7d77980a9dd55ba12e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab4ded8292c9991d720adbf674528418a3ea086bf3637b7d77980a9dd55ba12e", kill_on_drop: false }`
[INFO] [stdout] ab4ded8292c9991d720adbf674528418a3ea086bf3637b7d77980a9dd55ba12e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] c8a5bdc9653612a849a48adacd348bd5f1ef33d1e2f6ff61c144e22a320888c8
[INFO] running `Command { std: "docker" "start" "-a" "c8a5bdc9653612a849a48adacd348bd5f1ef33d1e2f6ff61c144e22a320888c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.70s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dancing_letters-2cbe4076ae78cb92)
[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" "c8a5bdc9653612a849a48adacd348bd5f1ef33d1e2f6ff61c144e22a320888c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8a5bdc9653612a849a48adacd348bd5f1ef33d1e2f6ff61c144e22a320888c8", kill_on_drop: false }`
[INFO] [stdout] c8a5bdc9653612a849a48adacd348bd5f1ef33d1e2f6ff61c144e22a320888c8