[INFO] fetching crate junction 0.2.0...
[INFO] testing junction-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate junction 0.2.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate junction 0.2.0 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 junction 0.2.0
[INFO] finished tweaking crates.io crate junction 0.2.0
[INFO] tweaked toml for crates.io crate junction 0.2.0 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] bcc931054869ec6eec34c10e7a0e68b91f332428c3cf7aef14dba49da806b500
[INFO] running `Command { std: "docker" "start" "-a" "bcc931054869ec6eec34c10e7a0e68b91f332428c3cf7aef14dba49da806b500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcc931054869ec6eec34c10e7a0e68b91f332428c3cf7aef14dba49da806b500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcc931054869ec6eec34c10e7a0e68b91f332428c3cf7aef14dba49da806b500", kill_on_drop: false }`
[INFO] [stdout] bcc931054869ec6eec34c10e7a0e68b91f332428c3cf7aef14dba49da806b500
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 7376cd4976a9c1c0e04d068349fa925c36ba3dd09fe8e30f69a0ca0cb5fd8ef1
[INFO] running `Command { std: "docker" "start" "-a" "7376cd4976a9c1c0e04d068349fa925c36ba3dd09fe8e30f69a0ca0cb5fd8ef1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling junction v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "7376cd4976a9c1c0e04d068349fa925c36ba3dd09fe8e30f69a0ca0cb5fd8ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7376cd4976a9c1c0e04d068349fa925c36ba3dd09fe8e30f69a0ca0cb5fd8ef1", kill_on_drop: false }`
[INFO] [stdout] 7376cd4976a9c1c0e04d068349fa925c36ba3dd09fe8e30f69a0ca0cb5fd8ef1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 6b4fd3d8848653751c3d1caaddd8a6bb687e35456c8ebd04252ce590e22387fd
[INFO] running `Command { std: "docker" "start" "-a" "6b4fd3d8848653751c3d1caaddd8a6bb687e35456c8ebd04252ce590e22387fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling junction v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `Command { std: "docker" "inspect" "6b4fd3d8848653751c3d1caaddd8a6bb687e35456c8ebd04252ce590e22387fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b4fd3d8848653751c3d1caaddd8a6bb687e35456c8ebd04252ce590e22387fd", kill_on_drop: false }`
[INFO] [stdout] 6b4fd3d8848653751c3d1caaddd8a6bb687e35456c8ebd04252ce590e22387fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 97bebbc110538e1403b939bf2bcdfe1338d059d39b507f696e164c7dfa845704
[INFO] running `Command { std: "docker" "start" "-a" "97bebbc110538e1403b939bf2bcdfe1338d059d39b507f696e164c7dfa845704", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/junction-c8d90d2ae955b769)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests junction
[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] [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" "97bebbc110538e1403b939bf2bcdfe1338d059d39b507f696e164c7dfa845704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97bebbc110538e1403b939bf2bcdfe1338d059d39b507f696e164c7dfa845704", kill_on_drop: false }`
[INFO] [stdout] 97bebbc110538e1403b939bf2bcdfe1338d059d39b507f696e164c7dfa845704