[INFO] fetching crate cdback 0.1.0...
[INFO] testing cdback-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate cdback 0.1.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate cdback 0.1.0 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 cdback 0.1.0
[INFO] finished tweaking crates.io crate cdback 0.1.0
[INFO] tweaked toml for crates.io crate cdback 0.1.0 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate crates.io crate cdback 0.1.0 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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 623cfccad221d79432871c3bceee5c202b24ed5fd9242d737bca674a6c4d9e3f
[INFO] running `Command { std: "docker" "start" "-a" "623cfccad221d79432871c3bceee5c202b24ed5fd9242d737bca674a6c4d9e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "623cfccad221d79432871c3bceee5c202b24ed5fd9242d737bca674a6c4d9e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623cfccad221d79432871c3bceee5c202b24ed5fd9242d737bca674a6c4d9e3f", kill_on_drop: false }`
[INFO] [stdout] 623cfccad221d79432871c3bceee5c202b24ed5fd9242d737bca674a6c4d9e3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 6bcea1e2111ac2bde63d82906275b28ccb60bc17e857d06eb2dbb7518425c48d
[INFO] running `Command { std: "docker" "start" "-a" "6bcea1e2111ac2bde63d82906275b28ccb60bc17e857d06eb2dbb7518425c48d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cdback v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "6bcea1e2111ac2bde63d82906275b28ccb60bc17e857d06eb2dbb7518425c48d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bcea1e2111ac2bde63d82906275b28ccb60bc17e857d06eb2dbb7518425c48d", kill_on_drop: false }`
[INFO] [stdout] 6bcea1e2111ac2bde63d82906275b28ccb60bc17e857d06eb2dbb7518425c48d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] b2c3a5b0021d0642db320ae51b7ab058695019ab57fcbc1ebec83a66ed56ae61
[INFO] running `Command { std: "docker" "start" "-a" "b2c3a5b0021d0642db320ae51b7ab058695019ab57fcbc1ebec83a66ed56ae61", kill_on_drop: false }`
[INFO] [stderr]    Compiling cdback v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "b2c3a5b0021d0642db320ae51b7ab058695019ab57fcbc1ebec83a66ed56ae61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2c3a5b0021d0642db320ae51b7ab058695019ab57fcbc1ebec83a66ed56ae61", kill_on_drop: false }`
[INFO] [stdout] b2c3a5b0021d0642db320ae51b7ab058695019ab57fcbc1ebec83a66ed56ae61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 997f8ff8fcc9a96bbe3fceedd441ce4c69c2ab7413a5403b7bf4eb7cac70ca09
[INFO] running `Command { std: "docker" "start" "-a" "997f8ff8fcc9a96bbe3fceedd441ce4c69c2ab7413a5403b7bf4eb7cac70ca09", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cdback-070a4f5fa4bd1b1a)
[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" "997f8ff8fcc9a96bbe3fceedd441ce4c69c2ab7413a5403b7bf4eb7cac70ca09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "997f8ff8fcc9a96bbe3fceedd441ce4c69c2ab7413a5403b7bf4eb7cac70ca09", kill_on_drop: false }`
[INFO] [stdout] 997f8ff8fcc9a96bbe3fceedd441ce4c69c2ab7413a5403b7bf4eb7cac70ca09