[INFO] fetching crate dune 0.1.0...
[INFO] testing dune-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate dune 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dune 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.35
[INFO] [stderr]   Downloaded honeycomb v0.1.4
[INFO] [stderr]   Downloaded read_input v0.8.2
[INFO] [stderr]   Downloaded xmachine v0.1.11
[INFO] [stderr]   Downloaded blake2b_simd v0.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b423423a6c9fccfe5760b89611d71196d0590741e3af3c30a3583e382270ba3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6b423423a6c9fccfe5760b89611d71196d0590741e3af3c30a3583e382270ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b423423a6c9fccfe5760b89611d71196d0590741e3af3c30a3583e382270ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b423423a6c9fccfe5760b89611d71196d0590741e3af3c30a3583e382270ba3", kill_on_drop: false }`
[INFO] [stdout] 6b423423a6c9fccfe5760b89611d71196d0590741e3af3c30a3583e382270ba3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d79c99ef368bc82351c78140f7e8adff7ff2a16669914e6ac45c6cb46885dc5a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d79c99ef368bc82351c78140f7e8adff7ff2a16669914e6ac45c6cb46885dc5a", kill_on_drop: false }`
[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 xmachine v0.1.11
[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 6.32s
[INFO] running `Command { std: "docker" "inspect" "d79c99ef368bc82351c78140f7e8adff7ff2a16669914e6ac45c6cb46885dc5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d79c99ef368bc82351c78140f7e8adff7ff2a16669914e6ac45c6cb46885dc5a", kill_on_drop: false }`
[INFO] [stdout] d79c99ef368bc82351c78140f7e8adff7ff2a16669914e6ac45c6cb46885dc5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a1314e58c0bbc8cc944222f043b4d7e053c50de736a4731897364f4e3c5de3c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7a1314e58c0bbc8cc944222f043b4d7e053c50de736a4731897364f4e3c5de3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling dune v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "7a1314e58c0bbc8cc944222f043b4d7e053c50de736a4731897364f4e3c5de3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1314e58c0bbc8cc944222f043b4d7e053c50de736a4731897364f4e3c5de3c", kill_on_drop: false }`
[INFO] [stdout] 7a1314e58c0bbc8cc944222f043b4d7e053c50de736a4731897364f4e3c5de3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ecff610765d4a1068e4ee969d2c30b438ade379e8e7a9dd84c52232bc7ab2bb3
[INFO] running `Command { std: "docker" "start" "-a" "ecff610765d4a1068e4ee969d2c30b438ade379e8e7a9dd84c52232bc7ab2bb3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dune-39ee0ee32533ffa1
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dune-c535681b659cd574
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests dune
[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] [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" "ecff610765d4a1068e4ee969d2c30b438ade379e8e7a9dd84c52232bc7ab2bb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecff610765d4a1068e4ee969d2c30b438ade379e8e7a9dd84c52232bc7ab2bb3", kill_on_drop: false }`
[INFO] [stdout] ecff610765d4a1068e4ee969d2c30b438ade379e8e7a9dd84c52232bc7ab2bb3