[INFO] fetching crate yield 0.0.0...
[INFO] testing yield-0.0.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate yield 0.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate yield 0.0.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yield 0.0.0
[INFO] finished tweaking crates.io crate yield 0.0.0
[INFO] tweaked toml for crates.io crate yield 0.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate yield 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a214627a63f0b0fe38c0225dbe552ee5449e29fdb49fdd3eb977dc9cb6474174
[INFO] running `Command { std: "docker" "start" "-a" "a214627a63f0b0fe38c0225dbe552ee5449e29fdb49fdd3eb977dc9cb6474174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a214627a63f0b0fe38c0225dbe552ee5449e29fdb49fdd3eb977dc9cb6474174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a214627a63f0b0fe38c0225dbe552ee5449e29fdb49fdd3eb977dc9cb6474174", kill_on_drop: false }`
[INFO] [stdout] a214627a63f0b0fe38c0225dbe552ee5449e29fdb49fdd3eb977dc9cb6474174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03436656c40d802164994dba07b7741e7393fafbd91dd9b4161dfa7053a734e9
[INFO] running `Command { std: "docker" "start" "-a" "03436656c40d802164994dba07b7741e7393fafbd91dd9b4161dfa7053a734e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling yield v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "03436656c40d802164994dba07b7741e7393fafbd91dd9b4161dfa7053a734e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03436656c40d802164994dba07b7741e7393fafbd91dd9b4161dfa7053a734e9", kill_on_drop: false }`
[INFO] [stdout] 03436656c40d802164994dba07b7741e7393fafbd91dd9b4161dfa7053a734e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb7e0e79ad5e854e39ab5dbbaf3cb3fe94e578e48b10d5f45ee2aef29a1d5164
[INFO] running `Command { std: "docker" "start" "-a" "fb7e0e79ad5e854e39ab5dbbaf3cb3fe94e578e48b10d5f45ee2aef29a1d5164", kill_on_drop: false }`
[INFO] [stderr]    Compiling yield v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "fb7e0e79ad5e854e39ab5dbbaf3cb3fe94e578e48b10d5f45ee2aef29a1d5164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb7e0e79ad5e854e39ab5dbbaf3cb3fe94e578e48b10d5f45ee2aef29a1d5164", kill_on_drop: false }`
[INFO] [stdout] fb7e0e79ad5e854e39ab5dbbaf3cb3fe94e578e48b10d5f45ee2aef29a1d5164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79b9f0c63c90cd065d602e6338fc165d452ca9562ca566f8fd49000aa7b9256e
[INFO] running `Command { std: "docker" "start" "-a" "79b9f0c63c90cd065d602e6338fc165d452ca9562ca566f8fd49000aa7b9256e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.33s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yield-0d02e499ae8ca380)
[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" "79b9f0c63c90cd065d602e6338fc165d452ca9562ca566f8fd49000aa7b9256e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b9f0c63c90cd065d602e6338fc165d452ca9562ca566f8fd49000aa7b9256e", kill_on_drop: false }`
[INFO] [stdout] 79b9f0c63c90cd065d602e6338fc165d452ca9562ca566f8fd49000aa7b9256e