[INFO] cloning repository https://github.com/jmacdonald/reference-iterator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmacdonald/reference-iterator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmacdonald%2Freference-iterator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmacdonald%2Freference-iterator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 453b31520657aa3cd6b54dd7d0aba9d27c63ffcd
[INFO] testing jmacdonald/reference-iterator against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmacdonald%2Freference-iterator" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmacdonald/reference-iterator 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/jmacdonald/reference-iterator
[INFO] finished tweaking git repo https://github.com/jmacdonald/reference-iterator
[INFO] tweaked toml for git repo https://github.com/jmacdonald/reference-iterator written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/jmacdonald/reference-iterator 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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 92d7ddbf252d0ef20b44dad84585714234641bff82c969c47bf852b08cef82ae
[INFO] running `Command { std: "docker" "start" "-a" "92d7ddbf252d0ef20b44dad84585714234641bff82c969c47bf852b08cef82ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92d7ddbf252d0ef20b44dad84585714234641bff82c969c47bf852b08cef82ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d7ddbf252d0ef20b44dad84585714234641bff82c969c47bf852b08cef82ae", kill_on_drop: false }`
[INFO] [stdout] 92d7ddbf252d0ef20b44dad84585714234641bff82c969c47bf852b08cef82ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 62eb218a7b4c75e0e648725be609fba5052d8f671d363c1e12a169db483d9107
[INFO] running `Command { std: "docker" "start" "-a" "62eb218a7b4c75e0e648725be609fba5052d8f671d363c1e12a169db483d9107", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling reference-iterator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.64s
[INFO] running `Command { std: "docker" "inspect" "62eb218a7b4c75e0e648725be609fba5052d8f671d363c1e12a169db483d9107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62eb218a7b4c75e0e648725be609fba5052d8f671d363c1e12a169db483d9107", kill_on_drop: false }`
[INFO] [stdout] 62eb218a7b4c75e0e648725be609fba5052d8f671d363c1e12a169db483d9107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 4d5fb22bfba6e2eaa8d28b913f926d353fe3845a4eaa0b4b18b9b0f7acca9b7b
[INFO] running `Command { std: "docker" "start" "-a" "4d5fb22bfba6e2eaa8d28b913f926d353fe3845a4eaa0b4b18b9b0f7acca9b7b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling reference-iterator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.79s
[INFO] running `Command { std: "docker" "inspect" "4d5fb22bfba6e2eaa8d28b913f926d353fe3845a4eaa0b4b18b9b0f7acca9b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d5fb22bfba6e2eaa8d28b913f926d353fe3845a4eaa0b4b18b9b0f7acca9b7b", kill_on_drop: false }`
[INFO] [stdout] 4d5fb22bfba6e2eaa8d28b913f926d353fe3845a4eaa0b4b18b9b0f7acca9b7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] d6d372a4848a47b83e3cee70c4f5902b0f44e8eb8e97977e2386fde178c5d416
[INFO] running `Command { std: "docker" "start" "-a" "d6d372a4848a47b83e3cee70c4f5902b0f44e8eb8e97977e2386fde178c5d416", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reference_iterator-1c2b6463504b9532)
[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" "d6d372a4848a47b83e3cee70c4f5902b0f44e8eb8e97977e2386fde178c5d416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6d372a4848a47b83e3cee70c4f5902b0f44e8eb8e97977e2386fde178c5d416", kill_on_drop: false }`
[INFO] [stdout] d6d372a4848a47b83e3cee70c4f5902b0f44e8eb8e97977e2386fde178c5d416