[INFO] cloning repository https://github.com/MatheoDumont/rust-avl-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MatheoDumont/rust-avl-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatheoDumont%2Frust-avl-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatheoDumont%2Frust-avl-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 273be3ab0c827049b096331986e81963bf9c59eb
[INFO] testing MatheoDumont/rust-avl-tree against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatheoDumont%2Frust-avl-tree" "/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/MatheoDumont/rust-avl-tree on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MatheoDumont/rust-avl-tree
[INFO] finished tweaking git repo https://github.com/MatheoDumont/rust-avl-tree
[INFO] tweaked toml for git repo https://github.com/MatheoDumont/rust-avl-tree written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/MatheoDumont/rust-avl-tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25c0f7a48aed619991cd594971093deb4535ea9c781f5949c80bc5867849ede4
[INFO] running `Command { std: "docker" "start" "-a" "25c0f7a48aed619991cd594971093deb4535ea9c781f5949c80bc5867849ede4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25c0f7a48aed619991cd594971093deb4535ea9c781f5949c80bc5867849ede4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c0f7a48aed619991cd594971093deb4535ea9c781f5949c80bc5867849ede4", kill_on_drop: false }`
[INFO] [stdout] 25c0f7a48aed619991cd594971093deb4535ea9c781f5949c80bc5867849ede4
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c1907590a358dc24010cd61e186efe123b9fc86a05d8071f5148d8bbded24e6
[INFO] running `Command { std: "docker" "start" "-a" "5c1907590a358dc24010cd61e186efe123b9fc86a05d8071f5148d8bbded24e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling avl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `Command { std: "docker" "inspect" "5c1907590a358dc24010cd61e186efe123b9fc86a05d8071f5148d8bbded24e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1907590a358dc24010cd61e186efe123b9fc86a05d8071f5148d8bbded24e6", kill_on_drop: false }`
[INFO] [stdout] 5c1907590a358dc24010cd61e186efe123b9fc86a05d8071f5148d8bbded24e6
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ff9a4d841942d27fa6a948eb35dcd087cf6adeec8ae13b240f68090c091bd0d
[INFO] running `Command { std: "docker" "start" "-a" "7ff9a4d841942d27fa6a948eb35dcd087cf6adeec8ae13b240f68090c091bd0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling avl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "7ff9a4d841942d27fa6a948eb35dcd087cf6adeec8ae13b240f68090c091bd0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ff9a4d841942d27fa6a948eb35dcd087cf6adeec8ae13b240f68090c091bd0d", kill_on_drop: false }`
[INFO] [stdout] 7ff9a4d841942d27fa6a948eb35dcd087cf6adeec8ae13b240f68090c091bd0d
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6b328df96fa9464fc7b4743af9903b34075a6d03d297e59c68c99403b1b1ea4
[INFO] running `Command { std: "docker" "start" "-a" "d6b328df96fa9464fc7b4743af9903b34075a6d03d297e59c68c99403b1b1ea4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/avl-b2320a7758ff07e7)
[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" "d6b328df96fa9464fc7b4743af9903b34075a6d03d297e59c68c99403b1b1ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6b328df96fa9464fc7b4743af9903b34075a6d03d297e59c68c99403b1b1ea4", kill_on_drop: false }`
[INFO] [stdout] d6b328df96fa9464fc7b4743af9903b34075a6d03d297e59c68c99403b1b1ea4