[INFO] cloning repository https://github.com/iamwwc/smoltcp-maybe-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamwwc/smoltcp-maybe-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamwwc%2Fsmoltcp-maybe-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamwwc%2Fsmoltcp-maybe-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f294d9aa4a28596b5e81a59a31ffdd74d5661e86
[INFO] testing iamwwc/smoltcp-maybe-bug against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamwwc%2Fsmoltcp-maybe-bug" "/workspace/builds/worker-88/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iamwwc/smoltcp-maybe-bug on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iamwwc/smoltcp-maybe-bug
[INFO] finished tweaking git repo https://github.com/iamwwc/smoltcp-maybe-bug
[INFO] tweaked toml for git repo https://github.com/iamwwc/smoltcp-maybe-bug written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate git repo https://github.com/iamwwc/smoltcp-maybe-bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6ba6d139735a838cbe16518a07f80b772c1e3f4487db32175cdd4ec0c1f8c11
[INFO] running `Command { std: "docker" "start" "-a" "f6ba6d139735a838cbe16518a07f80b772c1e3f4487db32175cdd4ec0c1f8c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6ba6d139735a838cbe16518a07f80b772c1e3f4487db32175cdd4ec0c1f8c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ba6d139735a838cbe16518a07f80b772c1e3f4487db32175cdd4ec0c1f8c11", kill_on_drop: false }`
[INFO] [stdout] f6ba6d139735a838cbe16518a07f80b772c1e3f4487db32175cdd4ec0c1f8c11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90ca18317a902e41b907000a63ca4f1f685d227f68925225a95d03e0c002024a
[INFO] running `Command { std: "docker" "start" "-a" "90ca18317a902e41b907000a63ca4f1f685d227f68925225a95d03e0c002024a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling ioctl-sys v0.6.0
[INFO] [stderr]    Compiling managed v0.7.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling smoltcp v0.7.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling tun v0.5.1
[INFO] [stderr]    Compiling smoltcp-maybe-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.13s
[INFO] running `Command { std: "docker" "inspect" "90ca18317a902e41b907000a63ca4f1f685d227f68925225a95d03e0c002024a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ca18317a902e41b907000a63ca4f1f685d227f68925225a95d03e0c002024a", kill_on_drop: false }`
[INFO] [stdout] 90ca18317a902e41b907000a63ca4f1f685d227f68925225a95d03e0c002024a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7216b2b9451c798e5feefef0e8a2978a48e5043cea737b4a2e137f985a441902
[INFO] running `Command { std: "docker" "start" "-a" "7216b2b9451c798e5feefef0e8a2978a48e5043cea737b4a2e137f985a441902", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling smoltcp-maybe-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 33.95s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/smoltcp_maybe_bug-5bf1108a2578a14b)
[INFO] running `Command { std: "docker" "inspect" "7216b2b9451c798e5feefef0e8a2978a48e5043cea737b4a2e137f985a441902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7216b2b9451c798e5feefef0e8a2978a48e5043cea737b4a2e137f985a441902", kill_on_drop: false }`
[INFO] [stdout] 7216b2b9451c798e5feefef0e8a2978a48e5043cea737b4a2e137f985a441902
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53f0b356f0365c0c4e3fada21b2bb6848a501bb443ba37570819d4dd6fc612cb
[INFO] running `Command { std: "docker" "start" "-a" "53f0b356f0365c0c4e3fada21b2bb6848a501bb443ba37570819d4dd6fc612cb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/smoltcp_maybe_bug-5bf1108a2578a14b)
[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" "53f0b356f0365c0c4e3fada21b2bb6848a501bb443ba37570819d4dd6fc612cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f0b356f0365c0c4e3fada21b2bb6848a501bb443ba37570819d4dd6fc612cb", kill_on_drop: false }`
[INFO] [stdout] 53f0b356f0365c0c4e3fada21b2bb6848a501bb443ba37570819d4dd6fc612cb