[INFO] fetching crate symphony 0.1.0...
[INFO] testing symphony-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate symphony 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate symphony 0.1.0 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 symphony 0.1.0
[INFO] finished tweaking crates.io crate symphony 0.1.0
[INFO] tweaked toml for crates.io crate symphony 0.1.0 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 4df80b79a43973b83a679fc818f43a6172a8448f16d2a317f9c403b7fbc9263d
[INFO] running `Command { std: "docker" "start" "-a" "4df80b79a43973b83a679fc818f43a6172a8448f16d2a317f9c403b7fbc9263d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4df80b79a43973b83a679fc818f43a6172a8448f16d2a317f9c403b7fbc9263d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4df80b79a43973b83a679fc818f43a6172a8448f16d2a317f9c403b7fbc9263d", kill_on_drop: false }`
[INFO] [stdout] 4df80b79a43973b83a679fc818f43a6172a8448f16d2a317f9c403b7fbc9263d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2fe739c362b9bf08846ae637cbc08df53d438a04e0a4ad312a0dcfdea72a30c2
[INFO] running `Command { std: "docker" "start" "-a" "2fe739c362b9bf08846ae637cbc08df53d438a04e0a4ad312a0dcfdea72a30c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling symphony v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "2fe739c362b9bf08846ae637cbc08df53d438a04e0a4ad312a0dcfdea72a30c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe739c362b9bf08846ae637cbc08df53d438a04e0a4ad312a0dcfdea72a30c2", kill_on_drop: false }`
[INFO] [stdout] 2fe739c362b9bf08846ae637cbc08df53d438a04e0a4ad312a0dcfdea72a30c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 08bf8dda8dcb0655d4ceb2f4b70fa9f82bfa1b88f5c10ed6c10eedc2a23b90b6
[INFO] running `Command { std: "docker" "start" "-a" "08bf8dda8dcb0655d4ceb2f4b70fa9f82bfa1b88f5c10ed6c10eedc2a23b90b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling symphony v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "08bf8dda8dcb0655d4ceb2f4b70fa9f82bfa1b88f5c10ed6c10eedc2a23b90b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08bf8dda8dcb0655d4ceb2f4b70fa9f82bfa1b88f5c10ed6c10eedc2a23b90b6", kill_on_drop: false }`
[INFO] [stdout] 08bf8dda8dcb0655d4ceb2f4b70fa9f82bfa1b88f5c10ed6c10eedc2a23b90b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 4e49689060d25c8032e41d77582eaf460392cbae52159601a4b6e3f459d9423f
[INFO] running `Command { std: "docker" "start" "-a" "4e49689060d25c8032e41d77582eaf460392cbae52159601a4b6e3f459d9423f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/symphony-907a3ae8966199d0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests symphony
[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" "4e49689060d25c8032e41d77582eaf460392cbae52159601a4b6e3f459d9423f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e49689060d25c8032e41d77582eaf460392cbae52159601a4b6e3f459d9423f", kill_on_drop: false }`
[INFO] [stdout] 4e49689060d25c8032e41d77582eaf460392cbae52159601a4b6e3f459d9423f