[INFO] fetching crate dune 0.1.0...
[INFO] testing dune-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate dune 0.1.0 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate dune 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 dune 0.1.0
[INFO] finished tweaking crates.io crate dune 0.1.0
[INFO] tweaked toml for crates.io crate dune 0.1.0 written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate crates.io crate dune 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 6656cb0594f5ef3c2e4634b85204405ab17c2b93ba7523569dbe344e68814ba2
[INFO] running `Command { std: "docker" "start" "-a" "6656cb0594f5ef3c2e4634b85204405ab17c2b93ba7523569dbe344e68814ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6656cb0594f5ef3c2e4634b85204405ab17c2b93ba7523569dbe344e68814ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6656cb0594f5ef3c2e4634b85204405ab17c2b93ba7523569dbe344e68814ba2", kill_on_drop: false }`
[INFO] [stdout] 6656cb0594f5ef3c2e4634b85204405ab17c2b93ba7523569dbe344e68814ba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 0e7da894bf970231a048e6ed87f7b036d78140eef15c5836e58df0902f33ed53
[INFO] running `Command { std: "docker" "start" "-a" "0e7da894bf970231a048e6ed87f7b036d78140eef15c5836e58df0902f33ed53", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling read_input v0.8.2
[INFO] [stderr]    Compiling honeycomb v0.1.4
[INFO] [stderr]    Compiling xmachine v0.1.11
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling dune v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.98s
[INFO] running `Command { std: "docker" "inspect" "0e7da894bf970231a048e6ed87f7b036d78140eef15c5836e58df0902f33ed53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e7da894bf970231a048e6ed87f7b036d78140eef15c5836e58df0902f33ed53", kill_on_drop: false }`
[INFO] [stdout] 0e7da894bf970231a048e6ed87f7b036d78140eef15c5836e58df0902f33ed53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 0be26d11f66ee500fe179950e86d4adb648e753ce69423f48a455ad12bbb84ea
[INFO] running `Command { std: "docker" "start" "-a" "0be26d11f66ee500fe179950e86d4adb648e753ce69423f48a455ad12bbb84ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling dune v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "0be26d11f66ee500fe179950e86d4adb648e753ce69423f48a455ad12bbb84ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be26d11f66ee500fe179950e86d4adb648e753ce69423f48a455ad12bbb84ea", kill_on_drop: false }`
[INFO] [stdout] 0be26d11f66ee500fe179950e86d4adb648e753ce69423f48a455ad12bbb84ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 6d1c9780fec3840cb619c26b1ac3d26545b7cc9bab11a3939bbd4837b7e27f8c
[INFO] running `Command { std: "docker" "start" "-a" "6d1c9780fec3840cb619c26b1ac3d26545b7cc9bab11a3939bbd4837b7e27f8c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dune-b0868ca34bf286f4)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dune-e6e3c85e58d902d4)
[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] [stderr]    Doc-tests dune
[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] [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" "6d1c9780fec3840cb619c26b1ac3d26545b7cc9bab11a3939bbd4837b7e27f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d1c9780fec3840cb619c26b1ac3d26545b7cc9bab11a3939bbd4837b7e27f8c", kill_on_drop: false }`
[INFO] [stdout] 6d1c9780fec3840cb619c26b1ac3d26545b7cc9bab11a3939bbd4837b7e27f8c