[INFO] fetching crate rtk 0.0.0...
[INFO] testing rtk-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rtk 0.0.0 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate rtk 0.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtk 0.0.0
[INFO] finished tweaking crates.io crate rtk 0.0.0
[INFO] tweaked toml for crates.io crate rtk 0.0.0 written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate crates.io crate rtk 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc48c6602ae34c643442a9d88427a95dc9cee34e3c0a7235615763502dd5b916
[INFO] running `Command { std: "docker" "start" "-a" "fc48c6602ae34c643442a9d88427a95dc9cee34e3c0a7235615763502dd5b916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc48c6602ae34c643442a9d88427a95dc9cee34e3c0a7235615763502dd5b916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc48c6602ae34c643442a9d88427a95dc9cee34e3c0a7235615763502dd5b916", kill_on_drop: false }`
[INFO] [stdout] fc48c6602ae34c643442a9d88427a95dc9cee34e3c0a7235615763502dd5b916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5f8dc39a51e51798188623ee9909270734f9133b45d83945da04a55dc2c1ed4
[INFO] running `Command { std: "docker" "start" "-a" "f5f8dc39a51e51798188623ee9909270734f9133b45d83945da04a55dc2c1ed4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rtk v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "f5f8dc39a51e51798188623ee9909270734f9133b45d83945da04a55dc2c1ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f8dc39a51e51798188623ee9909270734f9133b45d83945da04a55dc2c1ed4", kill_on_drop: false }`
[INFO] [stdout] f5f8dc39a51e51798188623ee9909270734f9133b45d83945da04a55dc2c1ed4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a866725072a828316088e73551c73e46292d4bbacf0aac0c15ebc77def86182a
[INFO] running `Command { std: "docker" "start" "-a" "a866725072a828316088e73551c73e46292d4bbacf0aac0c15ebc77def86182a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rtk v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "a866725072a828316088e73551c73e46292d4bbacf0aac0c15ebc77def86182a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a866725072a828316088e73551c73e46292d4bbacf0aac0c15ebc77def86182a", kill_on_drop: false }`
[INFO] [stdout] a866725072a828316088e73551c73e46292d4bbacf0aac0c15ebc77def86182a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 489a9bba6b4e62784f3e611fb782da70edd0adeb15f30a6a5bfcce33303e299b
[INFO] running `Command { std: "docker" "start" "-a" "489a9bba6b4e62784f3e611fb782da70edd0adeb15f30a6a5bfcce33303e299b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rtk-beb21808c4cf0bd4)
[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" "489a9bba6b4e62784f3e611fb782da70edd0adeb15f30a6a5bfcce33303e299b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "489a9bba6b4e62784f3e611fb782da70edd0adeb15f30a6a5bfcce33303e299b", kill_on_drop: false }`
[INFO] [stdout] 489a9bba6b4e62784f3e611fb782da70edd0adeb15f30a6a5bfcce33303e299b