[INFO] fetching crate mtcap 0.2.0...
[INFO] testing mtcap-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mtcap 0.2.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate mtcap 0.2.0 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 mtcap 0.2.0
[INFO] finished tweaking crates.io crate mtcap 0.2.0
[INFO] tweaked toml for crates.io crate mtcap 0.2.0 written to /workspace/builds/worker-18/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] f1c12254a0dba5fc0f5686ceb3bc1bfd5682b2e4db776c0b4accd97981bbf852
[INFO] running `Command { std: "docker" "start" "-a" "f1c12254a0dba5fc0f5686ceb3bc1bfd5682b2e4db776c0b4accd97981bbf852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1c12254a0dba5fc0f5686ceb3bc1bfd5682b2e4db776c0b4accd97981bbf852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c12254a0dba5fc0f5686ceb3bc1bfd5682b2e4db776c0b4accd97981bbf852", kill_on_drop: false }`
[INFO] [stdout] f1c12254a0dba5fc0f5686ceb3bc1bfd5682b2e4db776c0b4accd97981bbf852
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] a59390d3a30377790b718bbd20d5717a96abb497cee7f788a93b05216c41ff17
[INFO] running `Command { std: "docker" "start" "-a" "a59390d3a30377790b718bbd20d5717a96abb497cee7f788a93b05216c41ff17", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling strum v0.23.0
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling mtcap v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.97s
[INFO] running `Command { std: "docker" "inspect" "a59390d3a30377790b718bbd20d5717a96abb497cee7f788a93b05216c41ff17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a59390d3a30377790b718bbd20d5717a96abb497cee7f788a93b05216c41ff17", kill_on_drop: false }`
[INFO] [stdout] a59390d3a30377790b718bbd20d5717a96abb497cee7f788a93b05216c41ff17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] e3cc9b22ad253ef36720a536325c2a4ac9e624c73888bd558ccdec5f061478dd
[INFO] running `Command { std: "docker" "start" "-a" "e3cc9b22ad253ef36720a536325c2a4ac9e624c73888bd558ccdec5f061478dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtcap v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mtcap-ad568531d718ad28)
[INFO] running `Command { std: "docker" "inspect" "e3cc9b22ad253ef36720a536325c2a4ac9e624c73888bd558ccdec5f061478dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3cc9b22ad253ef36720a536325c2a4ac9e624c73888bd558ccdec5f061478dd", kill_on_drop: false }`
[INFO] [stdout] e3cc9b22ad253ef36720a536325c2a4ac9e624c73888bd558ccdec5f061478dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 824affdaaf13761b043465be8e666bbe1413e39d7cf493041d4f7f05173dc783
[INFO] running `Command { std: "docker" "start" "-a" "824affdaaf13761b043465be8e666bbe1413e39d7cf493041d4f7f05173dc783", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mtcap-ad568531d718ad28)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test devices::test_devices::test_from_string ... 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] [stderr]    Doc-tests mtcap
[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" "824affdaaf13761b043465be8e666bbe1413e39d7cf493041d4f7f05173dc783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "824affdaaf13761b043465be8e666bbe1413e39d7cf493041d4f7f05173dc783", kill_on_drop: false }`
[INFO] [stdout] 824affdaaf13761b043465be8e666bbe1413e39d7cf493041d4f7f05173dc783