[INFO] fetching crate second_law 0.3.1...
[INFO] checking second_law-0.3.1 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate second_law 0.3.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate second_law 0.3.1 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate second_law 0.3.1
[INFO] finished tweaking crates.io crate second_law 0.3.1
[INFO] tweaked toml for crates.io crate second_law 0.3.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba2f9591101b4d22e9038b4985804e6a817e7eb5725ade1a9349e2527bc25430
[INFO] running `Command { std: "docker" "start" "-a" "ba2f9591101b4d22e9038b4985804e6a817e7eb5725ade1a9349e2527bc25430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba2f9591101b4d22e9038b4985804e6a817e7eb5725ade1a9349e2527bc25430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2f9591101b4d22e9038b4985804e6a817e7eb5725ade1a9349e2527bc25430", kill_on_drop: false }`
[INFO] [stdout] ba2f9591101b4d22e9038b4985804e6a817e7eb5725ade1a9349e2527bc25430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebf869cacd84d88d997cf938a27011eea3ca20392332830629ccbf3208b224df
[INFO] running `Command { std: "docker" "start" "-a" "ebf869cacd84d88d997cf938a27011eea3ca20392332830629ccbf3208b224df", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking second_law v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/atpath.rs:66:43
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 unprefixed.push(component.as_ref().to_str().unwrap());
[INFO] [stdout]    |                                           ^^^^^^   ------ type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 unprefixed.push(<Component<'_> as AsRef<T>>::as_ref(&component).to_str().unwrap());
[INFO] [stdout]    |                                 +++++++++++++++++++++++++++++++++++++         ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/atpath.rs:66:43
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 unprefixed.push(component.as_ref().to_str().unwrap());
[INFO] [stdout]    |                                           ^^^^^^   ------ type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 unprefixed.push(<Component<'_> as AsRef<T>>::as_ref(&component).to_str().unwrap());
[INFO] [stdout]    |                                 +++++++++++++++++++++++++++++++++++++         ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `second_law` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `second_law` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ebf869cacd84d88d997cf938a27011eea3ca20392332830629ccbf3208b224df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf869cacd84d88d997cf938a27011eea3ca20392332830629ccbf3208b224df", kill_on_drop: false }`
[INFO] [stdout] ebf869cacd84d88d997cf938a27011eea3ca20392332830629ccbf3208b224df