[INFO] fetching crate mtk 0.3.5...
[INFO] testing mtk-0.3.5 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mtk 0.3.5 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate mtk 0.3.5 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 crates.io crate mtk 0.3.5
[INFO] finished tweaking crates.io crate mtk 0.3.5
[INFO] tweaked toml for crates.io crate mtk 0.3.5 written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "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-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] c5de8f175330dd334c1ef8c5ad205fd92835e60e4d38cf6d218cb4c44126e7e7
[INFO] running `Command { std: "docker" "start" "-a" "c5de8f175330dd334c1ef8c5ad205fd92835e60e4d38cf6d218cb4c44126e7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5de8f175330dd334c1ef8c5ad205fd92835e60e4d38cf6d218cb4c44126e7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5de8f175330dd334c1ef8c5ad205fd92835e60e4d38cf6d218cb4c44126e7e7", kill_on_drop: false }`
[INFO] [stdout] c5de8f175330dd334c1ef8c5ad205fd92835e60e4d38cf6d218cb4c44126e7e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] d5082dd2cb19c037473687a11ef7b4f0645127698bc2d6bb217fa1643e4d03c0
[INFO] running `Command { std: "docker" "start" "-a" "d5082dd2cb19c037473687a11ef7b4f0645127698bc2d6bb217fa1643e4d03c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtk v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "d5082dd2cb19c037473687a11ef7b4f0645127698bc2d6bb217fa1643e4d03c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5082dd2cb19c037473687a11ef7b4f0645127698bc2d6bb217fa1643e4d03c0", kill_on_drop: false }`
[INFO] [stdout] d5082dd2cb19c037473687a11ef7b4f0645127698bc2d6bb217fa1643e4d03c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] ab03672980dbab88b5850fdd02078d1fa1c0be48f7e2d824a9ceec18e47607f2
[INFO] running `Command { std: "docker" "start" "-a" "ab03672980dbab88b5850fdd02078d1fa1c0be48f7e2d824a9ceec18e47607f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtk v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mtk-45bdec00b4320875)
[INFO] running `Command { std: "docker" "inspect" "ab03672980dbab88b5850fdd02078d1fa1c0be48f7e2d824a9ceec18e47607f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab03672980dbab88b5850fdd02078d1fa1c0be48f7e2d824a9ceec18e47607f2", kill_on_drop: false }`
[INFO] [stdout] ab03672980dbab88b5850fdd02078d1fa1c0be48f7e2d824a9ceec18e47607f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] 0b45174bc2171d80430ab72ef5fbbd77d5a5c18572b9d304e7ea67d2a7cb3894
[INFO] running `Command { std: "docker" "start" "-a" "0b45174bc2171d80430ab72ef5fbbd77d5a5c18572b9d304e7ea67d2a7cb3894", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mtk-45bdec00b4320875)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mtk
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_app ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "0b45174bc2171d80430ab72ef5fbbd77d5a5c18572b9d304e7ea67d2a7cb3894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b45174bc2171d80430ab72ef5fbbd77d5a5c18572b9d304e7ea67d2a7cb3894", kill_on_drop: false }`
[INFO] [stdout] 0b45174bc2171d80430ab72ef5fbbd77d5a5c18572b9d304e7ea67d2a7cb3894