[INFO] fetching crate irrefutable 0.1.3...
[INFO] testing irrefutable-0.1.3 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate irrefutable 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate irrefutable 0.1.3 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate irrefutable 0.1.3
[INFO] finished tweaking crates.io crate irrefutable 0.1.3
[INFO] tweaked toml for crates.io crate irrefutable 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c6ad2e3f9a962fbc0c18020b7571a52c3d8392a444c9f9eaf0c61b0795a6fdd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6c6ad2e3f9a962fbc0c18020b7571a52c3d8392a444c9f9eaf0c61b0795a6fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c6ad2e3f9a962fbc0c18020b7571a52c3d8392a444c9f9eaf0c61b0795a6fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c6ad2e3f9a962fbc0c18020b7571a52c3d8392a444c9f9eaf0c61b0795a6fdd", kill_on_drop: false }`
[INFO] [stdout] 6c6ad2e3f9a962fbc0c18020b7571a52c3d8392a444c9f9eaf0c61b0795a6fdd
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66d9ed746b8888ec3919171455990e8fd57f37d5fdf4c87423648275d339418b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "66d9ed746b8888ec3919171455990e8fd57f37d5fdf4c87423648275d339418b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling irrefutable v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.24s
[INFO] running `Command { std: "docker" "inspect" "66d9ed746b8888ec3919171455990e8fd57f37d5fdf4c87423648275d339418b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66d9ed746b8888ec3919171455990e8fd57f37d5fdf4c87423648275d339418b", kill_on_drop: false }`
[INFO] [stdout] 66d9ed746b8888ec3919171455990e8fd57f37d5fdf4c87423648275d339418b
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bbfb545dfd0932db9553783a61fab285ef4192546006f75f7aedc4e4f2f7246c
[INFO] running `Command { std: "docker" "start" "-a" "bbfb545dfd0932db9553783a61fab285ef4192546006f75f7aedc4e4f2f7246c", kill_on_drop: false }`
[INFO] [stderr]    Compiling irrefutable v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "bbfb545dfd0932db9553783a61fab285ef4192546006f75f7aedc4e4f2f7246c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbfb545dfd0932db9553783a61fab285ef4192546006f75f7aedc4e4f2f7246c", kill_on_drop: false }`
[INFO] [stdout] bbfb545dfd0932db9553783a61fab285ef4192546006f75f7aedc4e4f2f7246c
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f8c2856feaede568ec5354036d693fab4a0e529171f6854b462d40e1d16a2643
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f8c2856feaede568ec5354036d693fab4a0e529171f6854b462d40e1d16a2643", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/irrefutable-52b92ce75744c7f4
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-cec3ec0334aba2c4
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test unreachable::tuple_struct ... ok
[INFO] [stdout] test unreachable::tuple ... ok
[INFO] [stdout] test unreachable::reference ... ok
[INFO] [stdout] test unreachable::r#struct ... ok
[INFO] [stdout] test unreachable::ident ... ok
[INFO] [stdout] test r#return::tuple_struct ... ok
[INFO] [stdout] test panic::with_arg ... ok
[INFO] [stdout] test panic::without_args ... ok
[INFO] [stdout] test panic::with_args ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests irrefutable
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - irrefutable (line 21) ... ok
[INFO] [stdout] test src/lib.rs - irrefutable (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f8c2856feaede568ec5354036d693fab4a0e529171f6854b462d40e1d16a2643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8c2856feaede568ec5354036d693fab4a0e529171f6854b462d40e1d16a2643", kill_on_drop: false }`
[INFO] [stdout] f8c2856feaede568ec5354036d693fab4a0e529171f6854b462d40e1d16a2643