[INFO] fetching crate dune 0.1.0...
[INFO] testing dune-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate dune 0.1.0 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate dune 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-94/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.35
[INFO] [stderr]   Downloaded blake2b_simd v0.5.7
[INFO] [stderr]   Downloaded xmachine v0.1.11
[INFO] [stderr]   Downloaded read_input v0.8.2
[INFO] [stderr]   Downloaded honeycomb v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ead80af5433526730bbe26ba7f1940da85678f6c5e46b03a3ff4ec0c86f1e7b3
[INFO] running `Command { std: "docker" "start" "-a" "ead80af5433526730bbe26ba7f1940da85678f6c5e46b03a3ff4ec0c86f1e7b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ead80af5433526730bbe26ba7f1940da85678f6c5e46b03a3ff4ec0c86f1e7b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ead80af5433526730bbe26ba7f1940da85678f6c5e46b03a3ff4ec0c86f1e7b3", kill_on_drop: false }`
[INFO] [stdout] ead80af5433526730bbe26ba7f1940da85678f6c5e46b03a3ff4ec0c86f1e7b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbe5d8c0c1b2621d8c92dc82ac2b33225e5ba6ad823e0aefb229d2bf09cd52fc
[INFO] running `Command { std: "docker" "start" "-a" "cbe5d8c0c1b2621d8c92dc82ac2b33225e5ba6ad823e0aefb229d2bf09cd52fc", 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 xmachine v0.1.11
[INFO] [stderr]    Compiling read_input v0.8.2
[INFO] [stderr]    Compiling honeycomb v0.1.4
[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 5.71s
[INFO] running `Command { std: "docker" "inspect" "cbe5d8c0c1b2621d8c92dc82ac2b33225e5ba6ad823e0aefb229d2bf09cd52fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe5d8c0c1b2621d8c92dc82ac2b33225e5ba6ad823e0aefb229d2bf09cd52fc", kill_on_drop: false }`
[INFO] [stdout] cbe5d8c0c1b2621d8c92dc82ac2b33225e5ba6ad823e0aefb229d2bf09cd52fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d68ba94829ef72a3f8fee6bfbc887076c862fc839b82586ff50d50f659fb0795
[INFO] running `Command { std: "docker" "start" "-a" "d68ba94829ef72a3f8fee6bfbc887076c862fc839b82586ff50d50f659fb0795", kill_on_drop: false }`
[INFO] [stderr]    Compiling dune v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "d68ba94829ef72a3f8fee6bfbc887076c862fc839b82586ff50d50f659fb0795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d68ba94829ef72a3f8fee6bfbc887076c862fc839b82586ff50d50f659fb0795", kill_on_drop: false }`
[INFO] [stdout] d68ba94829ef72a3f8fee6bfbc887076c862fc839b82586ff50d50f659fb0795
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e34d05982fba874c991562fc4800a0cabfca3b6ebf88926738b1cbed5d40c12
[INFO] running `Command { std: "docker" "start" "-a" "7e34d05982fba874c991562fc4800a0cabfca3b6ebf88926738b1cbed5d40c12", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dune-2e64584caa660f00)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dune-890e86583625e53c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dune
[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" "7e34d05982fba874c991562fc4800a0cabfca3b6ebf88926738b1cbed5d40c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e34d05982fba874c991562fc4800a0cabfca3b6ebf88926738b1cbed5d40c12", kill_on_drop: false }`
[INFO] [stdout] 7e34d05982fba874c991562fc4800a0cabfca3b6ebf88926738b1cbed5d40c12