[INFO] fetching crate rustc-semver 1.1.0...
[INFO] testing rustc-semver-1.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate rustc-semver 1.1.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate rustc-semver 1.1.0 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] removed /workspace/builds/worker-29/source/rust-toolchain
[INFO] started tweaking crates.io crate rustc-semver 1.1.0
[INFO] finished tweaking crates.io crate rustc-semver 1.1.0
[INFO] tweaked toml for crates.io crate rustc-semver 1.1.0 written to /workspace/builds/worker-29/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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 3ff1f17b76f179a8a5ad7ae855046a1dba6b268f265c325618c1683131b4022c
[INFO] running `Command { std: "docker" "start" "-a" "3ff1f17b76f179a8a5ad7ae855046a1dba6b268f265c325618c1683131b4022c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ff1f17b76f179a8a5ad7ae855046a1dba6b268f265c325618c1683131b4022c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff1f17b76f179a8a5ad7ae855046a1dba6b268f265c325618c1683131b4022c", kill_on_drop: false }`
[INFO] [stdout] 3ff1f17b76f179a8a5ad7ae855046a1dba6b268f265c325618c1683131b4022c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] ebb11710d5846a25dfbced8affe16823d8e264697d379016f64ba65a5ca5ec11
[INFO] running `Command { std: "docker" "start" "-a" "ebb11710d5846a25dfbced8affe16823d8e264697d379016f64ba65a5ca5ec11", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustc-semver v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "ebb11710d5846a25dfbced8affe16823d8e264697d379016f64ba65a5ca5ec11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb11710d5846a25dfbced8affe16823d8e264697d379016f64ba65a5ca5ec11", kill_on_drop: false }`
[INFO] [stdout] ebb11710d5846a25dfbced8affe16823d8e264697d379016f64ba65a5ca5ec11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] f4c877cd1725f8ea0b05b15e6d72631885dfee0ec4f0b490656a8de05a01ff5e
[INFO] running `Command { std: "docker" "start" "-a" "f4c877cd1725f8ea0b05b15e6d72631885dfee0ec4f0b490656a8de05a01ff5e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustc-semver v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/lib.rs:655:9
[INFO] [stdout]     |
[INFO] [stdout] 655 |         OmittedParts::from(0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/lib.rs:663:9
[INFO] [stdout]     |
[INFO] [stdout] 663 |         OmittedParts::from(4);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "f4c877cd1725f8ea0b05b15e6d72631885dfee0ec4f0b490656a8de05a01ff5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4c877cd1725f8ea0b05b15e6d72631885dfee0ec4f0b490656a8de05a01ff5e", kill_on_drop: false }`
[INFO] [stdout] f4c877cd1725f8ea0b05b15e6d72631885dfee0ec4f0b490656a8de05a01ff5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] e23784609df44d3a49ab401d0cd3a0fdae7268f785edb0f539c7aa1753369735
[INFO] running `Command { std: "docker" "start" "-a" "e23784609df44d3a49ab401d0cd3a0fdae7268f785edb0f539c7aa1753369735", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]    --> src/lib.rs:655:9
[INFO] [stderr]     |
[INFO] [stderr] 655 |         OmittedParts::from(0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]    --> src/lib.rs:663:9
[INFO] [stderr]     |
[INFO] [stderr] 663 |         OmittedParts::from(4);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rustc-semver` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustc_semver-981e5da5ba7dac50)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test::alpha_numeric_version ... ok
[INFO] [stdout] test test::edge_cases ... ok
[INFO] [stdout] test test::formatting ... ok
[INFO] [stdout] test test::greater_than ... ok
[INFO] [stdout] test test::less_than ... ok
[INFO] [stdout] test test::equal ... ok
[INFO] [stdout] test test::meets_full ... ok
[INFO] [stdout] test test::meets_no_minor ... ok
[INFO] [stdout] test test::meets_no_patch ... ok
[INFO] [stdout] test test::meets_special ... ok
[INFO] [stdout] test test::omitted_parts ... ok
[INFO] [stdout] test test::special_versions ... ok
[INFO] [stdout] test test::too_many_elements ... ok
[INFO] [stdout] test test::omitted_parts_with_four - should panic ... ok
[INFO] [stdout] test test::omitted_parts_with_zero - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustc-semver
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - RustcVersion::new (line 239) ... ok
[INFO] [stdout] test src/lib.rs - RustcVersion (line 43) ... ok
[INFO] [stdout] test src/lib.rs - RustcVersion::parse (line 269) ... ok
[INFO] [stdout] test src/lib.rs - RustcVersion::meets (line 334) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e23784609df44d3a49ab401d0cd3a0fdae7268f785edb0f539c7aa1753369735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e23784609df44d3a49ab401d0cd3a0fdae7268f785edb0f539c7aa1753369735", kill_on_drop: false }`
[INFO] [stdout] e23784609df44d3a49ab401d0cd3a0fdae7268f785edb0f539c7aa1753369735