[INFO] fetching crate do-app 0.1.0...
[INFO] testing do-app-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate do-app 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate do-app 0.1.0 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 do-app 0.1.0
[INFO] finished tweaking crates.io crate do-app 0.1.0
[INFO] tweaked toml for crates.io crate do-app 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate do-app 0.1.0 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] [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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 367070d8ffaa3964d0d815dd1015e839f9a066e34327d36a9a65d7779d819e7b
[INFO] running `Command { std: "docker" "start" "-a" "367070d8ffaa3964d0d815dd1015e839f9a066e34327d36a9a65d7779d819e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "367070d8ffaa3964d0d815dd1015e839f9a066e34327d36a9a65d7779d819e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "367070d8ffaa3964d0d815dd1015e839f9a066e34327d36a9a65d7779d819e7b", kill_on_drop: false }`
[INFO] [stdout] 367070d8ffaa3964d0d815dd1015e839f9a066e34327d36a9a65d7779d819e7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 96ee49d4916da9cec85323d6a5ec08047c5517e25d725eeacf91977ed549190c
[INFO] running `Command { std: "docker" "start" "-a" "96ee49d4916da9cec85323d6a5ec08047c5517e25d725eeacf91977ed549190c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling do-app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.87s
[INFO] running `Command { std: "docker" "inspect" "96ee49d4916da9cec85323d6a5ec08047c5517e25d725eeacf91977ed549190c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ee49d4916da9cec85323d6a5ec08047c5517e25d725eeacf91977ed549190c", kill_on_drop: false }`
[INFO] [stdout] 96ee49d4916da9cec85323d6a5ec08047c5517e25d725eeacf91977ed549190c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f28c08ba192465dc866a614850012c05726b8b592aa4e512e4a1e0c0ba8dc29e
[INFO] running `Command { std: "docker" "start" "-a" "f28c08ba192465dc866a614850012c05726b8b592aa4e512e4a1e0c0ba8dc29e", kill_on_drop: false }`
[INFO] [stderr]    Compiling do-app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "f28c08ba192465dc866a614850012c05726b8b592aa4e512e4a1e0c0ba8dc29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28c08ba192465dc866a614850012c05726b8b592aa4e512e4a1e0c0ba8dc29e", kill_on_drop: false }`
[INFO] [stdout] f28c08ba192465dc866a614850012c05726b8b592aa4e512e4a1e0c0ba8dc29e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] a716ccbcfb12874acbf042e1804bfb6765bd2ce4890c4cbafaae04b5e7cb9530
[INFO] running `Command { std: "docker" "start" "-a" "a716ccbcfb12874acbf042e1804bfb6765bd2ce4890c4cbafaae04b5e7cb9530", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/do-918e5ae05c3152b7)
[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" "a716ccbcfb12874acbf042e1804bfb6765bd2ce4890c4cbafaae04b5e7cb9530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a716ccbcfb12874acbf042e1804bfb6765bd2ce4890c4cbafaae04b5e7cb9530", kill_on_drop: false }`
[INFO] [stdout] a716ccbcfb12874acbf042e1804bfb6765bd2ce4890c4cbafaae04b5e7cb9530