[INFO] fetching crate rustkernel 0.0.17...
[INFO] testing rustkernel-0.0.17 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate rustkernel 0.0.17 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate rustkernel 0.0.17 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustkernel 0.0.17
[INFO] finished tweaking crates.io crate rustkernel 0.0.17
[INFO] tweaked toml for crates.io crate rustkernel 0.0.17 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate crates.io crate rustkernel 0.0.17 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51a99291528377856574a0ff0c840517004ace60294366cd8b840ad74dbb6e21
[INFO] running `Command { std: "docker" "start" "-a" "51a99291528377856574a0ff0c840517004ace60294366cd8b840ad74dbb6e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51a99291528377856574a0ff0c840517004ace60294366cd8b840ad74dbb6e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a99291528377856574a0ff0c840517004ace60294366cd8b840ad74dbb6e21", kill_on_drop: false }`
[INFO] [stdout] 51a99291528377856574a0ff0c840517004ace60294366cd8b840ad74dbb6e21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c15e25da508a026c37d12158d3d689e4164fc9e8c1e72e6dd7acd3440edb4e8
[INFO] running `Command { std: "docker" "start" "-a" "8c15e25da508a026c37d12158d3d689e4164fc9e8c1e72e6dd7acd3440edb4e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustkernel v0.0.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "8c15e25da508a026c37d12158d3d689e4164fc9e8c1e72e6dd7acd3440edb4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c15e25da508a026c37d12158d3d689e4164fc9e8c1e72e6dd7acd3440edb4e8", kill_on_drop: false }`
[INFO] [stdout] 8c15e25da508a026c37d12158d3d689e4164fc9e8c1e72e6dd7acd3440edb4e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9b70c5b3efd6b3c1cae3b57b9a423f747f0009dd1104f53cc600930ab0b636a
[INFO] running `Command { std: "docker" "start" "-a" "a9b70c5b3efd6b3c1cae3b57b9a423f747f0009dd1104f53cc600930ab0b636a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustkernel v0.0.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "a9b70c5b3efd6b3c1cae3b57b9a423f747f0009dd1104f53cc600930ab0b636a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b70c5b3efd6b3c1cae3b57b9a423f747f0009dd1104f53cc600930ab0b636a", kill_on_drop: false }`
[INFO] [stdout] a9b70c5b3efd6b3c1cae3b57b9a423f747f0009dd1104f53cc600930ab0b636a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 126ea515b09782ff0d35dfa3bba2fdb950ed18460aa85e1e55b256d870008a66
[INFO] running `Command { std: "docker" "start" "-a" "126ea515b09782ff0d35dfa3bba2fdb950ed18460aa85e1e55b256d870008a66", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustkernel-65fff66fd450e848)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustkernel-68e6f38fbb30d460)
[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]    Doc-tests rustkernel
[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" "126ea515b09782ff0d35dfa3bba2fdb950ed18460aa85e1e55b256d870008a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "126ea515b09782ff0d35dfa3bba2fdb950ed18460aa85e1e55b256d870008a66", kill_on_drop: false }`
[INFO] [stdout] 126ea515b09782ff0d35dfa3bba2fdb950ed18460aa85e1e55b256d870008a66