[INFO] fetching crate dune-lib 0.0.0...
[INFO] testing dune-lib-0.0.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate dune-lib 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dune-lib 0.0.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dune-lib 0.0.0
[INFO] finished tweaking crates.io crate dune-lib 0.0.0
[INFO] tweaked toml for crates.io crate dune-lib 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e4616909669eaf8201c61a56180de589ba87bce5b45ce88d91ec0109192438d
[INFO] running `Command { std: "docker" "start" "-a" "3e4616909669eaf8201c61a56180de589ba87bce5b45ce88d91ec0109192438d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e4616909669eaf8201c61a56180de589ba87bce5b45ce88d91ec0109192438d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e4616909669eaf8201c61a56180de589ba87bce5b45ce88d91ec0109192438d", kill_on_drop: false }`
[INFO] [stdout] 3e4616909669eaf8201c61a56180de589ba87bce5b45ce88d91ec0109192438d
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5abb0e846f73f31cb56c23327542273a4c1773160011662f814012beaaf1e22
[INFO] running `Command { std: "docker" "start" "-a" "e5abb0e846f73f31cb56c23327542273a4c1773160011662f814012beaaf1e22", kill_on_drop: false }`
[INFO] [stderr]    Compiling dune-lib v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "e5abb0e846f73f31cb56c23327542273a4c1773160011662f814012beaaf1e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5abb0e846f73f31cb56c23327542273a4c1773160011662f814012beaaf1e22", kill_on_drop: false }`
[INFO] [stdout] e5abb0e846f73f31cb56c23327542273a4c1773160011662f814012beaaf1e22
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 911b0e7a48c1fbdb863e3b9e4063279ccfe5f14d485bcc8c3a3956e702b65ada
[INFO] running `Command { std: "docker" "start" "-a" "911b0e7a48c1fbdb863e3b9e4063279ccfe5f14d485bcc8c3a3956e702b65ada", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dune-lib v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "911b0e7a48c1fbdb863e3b9e4063279ccfe5f14d485bcc8c3a3956e702b65ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "911b0e7a48c1fbdb863e3b9e4063279ccfe5f14d485bcc8c3a3956e702b65ada", kill_on_drop: false }`
[INFO] [stdout] 911b0e7a48c1fbdb863e3b9e4063279ccfe5f14d485bcc8c3a3956e702b65ada
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7facbd40a5e02a0ee841db8dd8b4a7787092d53c8b2a0d8bff6e08ccf3e94b4d
[INFO] running `Command { std: "docker" "start" "-a" "7facbd40a5e02a0ee841db8dd8b4a7787092d53c8b2a0d8bff6e08ccf3e94b4d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dune_lib-12adafab63d1262e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dune-lib
[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" "7facbd40a5e02a0ee841db8dd8b4a7787092d53c8b2a0d8bff6e08ccf3e94b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7facbd40a5e02a0ee841db8dd8b4a7787092d53c8b2a0d8bff6e08ccf3e94b4d", kill_on_drop: false }`
[INFO] [stdout] 7facbd40a5e02a0ee841db8dd8b4a7787092d53c8b2a0d8bff6e08ccf3e94b4d