[INFO] fetching crate iflet 0.1.0...
[INFO] testing iflet-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate iflet 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate iflet 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iflet 0.1.0
[INFO] finished tweaking crates.io crate iflet 0.1.0
[INFO] tweaked toml for crates.io crate iflet 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", 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] 14f99000177f185fa7fc9a623960f5b69c5c4183be901ebc70406f2fab66caae
[INFO] running `Command { std: "docker" "start" "-a" "14f99000177f185fa7fc9a623960f5b69c5c4183be901ebc70406f2fab66caae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14f99000177f185fa7fc9a623960f5b69c5c4183be901ebc70406f2fab66caae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14f99000177f185fa7fc9a623960f5b69c5c4183be901ebc70406f2fab66caae", kill_on_drop: false }`
[INFO] [stdout] 14f99000177f185fa7fc9a623960f5b69c5c4183be901ebc70406f2fab66caae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12a496b13e69af0ec2fef002d25ac52c64ec3d1b9b0b2b4323d7a1200205e15e
[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" "12a496b13e69af0ec2fef002d25ac52c64ec3d1b9b0b2b4323d7a1200205e15e", kill_on_drop: false }`
[INFO] [stderr]    Compiling iflet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "12a496b13e69af0ec2fef002d25ac52c64ec3d1b9b0b2b4323d7a1200205e15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12a496b13e69af0ec2fef002d25ac52c64ec3d1b9b0b2b4323d7a1200205e15e", kill_on_drop: false }`
[INFO] [stdout] 12a496b13e69af0ec2fef002d25ac52c64ec3d1b9b0b2b4323d7a1200205e15e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 877bd0a4f6dbc579c90c4404d264430bc82fa4fce999063d7a85a9fd45d2fa29
[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" "877bd0a4f6dbc579c90c4404d264430bc82fa4fce999063d7a85a9fd45d2fa29", kill_on_drop: false }`
[INFO] [stderr]    Compiling iflet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "877bd0a4f6dbc579c90c4404d264430bc82fa4fce999063d7a85a9fd45d2fa29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "877bd0a4f6dbc579c90c4404d264430bc82fa4fce999063d7a85a9fd45d2fa29", kill_on_drop: false }`
[INFO] [stdout] 877bd0a4f6dbc579c90c4404d264430bc82fa4fce999063d7a85a9fd45d2fa29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac4b4efcb46666f35a1d500270c592b231aafc3042dac5478f60438ebbdec57c
[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" "ac4b4efcb46666f35a1d500270c592b231aafc3042dac5478f60438ebbdec57c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 20 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iflet-789a1db2948e762d)
[INFO] [stdout] test match_with_else_with_guard_fails ... ok
[INFO] [stdout] test match_with_else_fails ... ok
[INFO] [stdout] test match_with_else_with_guard_succeeds ... ok
[INFO] [stdout] test match_with_else_with_guard_fails_from_guard ... ok
[INFO] [stdout] test match_without_else_fails ... ok
[INFO] [stdout] test match_without_else_with_guard_fails ... ok
[INFO] [stdout] test match_without_else_succeeds ... ok
[INFO] [stdout] test match_without_else_with_guard_fails_from_guard ... ok
[INFO] [stdout] test match_without_else_with_guard_succeeds ... ok
[INFO] [stdout] test multi_match_with_else_fails ... ok
[INFO] [stdout] test multi_match_with_else_succeeds ... ok
[INFO] [stdout] test multi_match_with_else_with_guard_fails ... ok
[INFO] [stdout] test multi_match_with_else_with_guard_fails_from_guard ... ok
[INFO] [stdout] test multi_match_without_else_fails ... ok
[INFO] [stdout] test multi_match_without_else_succeeds ... ok
[INFO] [stdout] test multi_match_without_else_with_guard_fails ... ok
[INFO] [stdout] test multi_match_without_else_with_guard_succeeds ... ok
[INFO] [stdout] test match_with_else_succeeds ... ok
[INFO] [stderr]    Doc-tests iflet
[INFO] [stdout] test multi_match_without_else_with_guard_fails_from_guard ... ok
[INFO] [stdout] test multi_match_with_else_with_guard_succeeds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "ac4b4efcb46666f35a1d500270c592b231aafc3042dac5478f60438ebbdec57c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac4b4efcb46666f35a1d500270c592b231aafc3042dac5478f60438ebbdec57c", kill_on_drop: false }`
[INFO] [stdout] ac4b4efcb46666f35a1d500270c592b231aafc3042dac5478f60438ebbdec57c