[INFO] fetching crate iflet 0.1.0...
[INFO] testing iflet-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate iflet 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate iflet 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44d52efac3688447a18c9d41cfeff4d89120c559041e248ceba11e2a0828a140
[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" "44d52efac3688447a18c9d41cfeff4d89120c559041e248ceba11e2a0828a140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44d52efac3688447a18c9d41cfeff4d89120c559041e248ceba11e2a0828a140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d52efac3688447a18c9d41cfeff4d89120c559041e248ceba11e2a0828a140", kill_on_drop: false }`
[INFO] [stdout] 44d52efac3688447a18c9d41cfeff4d89120c559041e248ceba11e2a0828a140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd3a520383ce5b5b6c3372f49c4bbe51d99dba6df7f2540b6e5424258b7b9425
[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" "fd3a520383ce5b5b6c3372f49c4bbe51d99dba6df7f2540b6e5424258b7b9425", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling iflet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "fd3a520383ce5b5b6c3372f49c4bbe51d99dba6df7f2540b6e5424258b7b9425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd3a520383ce5b5b6c3372f49c4bbe51d99dba6df7f2540b6e5424258b7b9425", kill_on_drop: false }`
[INFO] [stdout] fd3a520383ce5b5b6c3372f49c4bbe51d99dba6df7f2540b6e5424258b7b9425
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae2003a63c8fb5596d5e31cb561581fb11e3bc968582873133e7874d68835954
[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" "ae2003a63c8fb5596d5e31cb561581fb11e3bc968582873133e7874d68835954", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling iflet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.87s
[INFO] running `Command { std: "docker" "inspect" "ae2003a63c8fb5596d5e31cb561581fb11e3bc968582873133e7874d68835954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae2003a63c8fb5596d5e31cb561581fb11e3bc968582873133e7874d68835954", kill_on_drop: false }`
[INFO] [stdout] ae2003a63c8fb5596d5e31cb561581fb11e3bc968582873133e7874d68835954
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88e73f8fd054506d532492503bb0aa177571448ea66069d7f4f46ab41e63d20a
[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" "88e73f8fd054506d532492503bb0aa177571448ea66069d7f4f46ab41e63d20a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iflet-06cdd2399a0e5b2b)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test match_with_else_fails ... ok
[INFO] [stdout] test match_with_else_succeeds ... ok
[INFO] [stdout] test match_with_else_with_guard_fails_from_guard ... ok
[INFO] [stdout] test match_with_else_with_guard_fails ... ok
[INFO] [stdout] test match_with_else_with_guard_succeeds ... ok
[INFO] [stdout] test match_without_else_succeeds ... ok
[INFO] [stdout] test match_without_else_with_guard_fails ... ok
[INFO] [stdout] test match_without_else_fails ... ok
[INFO] [stdout] test match_without_else_with_guard_fails_from_guard ... ok
[INFO] [stdout] test match_without_else_with_guard_succeeds ... ok
[INFO] [stderr]    Doc-tests iflet
[INFO] [stdout] test multi_match_without_else_with_guard_fails ... ok
[INFO] [stdout] test multi_match_without_else_with_guard_fails_from_guard ... ok
[INFO] [stdout] test multi_match_with_else_with_guard_fails_from_guard ... ok
[INFO] [stdout] test multi_match_with_else_with_guard_succeeds ... ok
[INFO] [stdout] test multi_match_with_else_fails ... ok
[INFO] [stdout] test multi_match_with_else_with_guard_fails ... ok
[INFO] [stdout] test multi_match_without_else_fails ... ok
[INFO] [stdout] test multi_match_with_else_succeeds ... ok
[INFO] [stdout] test multi_match_without_else_with_guard_succeeds ... ok
[INFO] [stdout] test multi_match_without_else_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" "88e73f8fd054506d532492503bb0aa177571448ea66069d7f4f46ab41e63d20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e73f8fd054506d532492503bb0aa177571448ea66069d7f4f46ab41e63d20a", kill_on_drop: false }`
[INFO] [stdout] 88e73f8fd054506d532492503bb0aa177571448ea66069d7f4f46ab41e63d20a