[INFO] fetching crate parallel-disk-usage 0.6.1...
[INFO] testing parallel-disk-usage-0.6.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate parallel-disk-usage 0.6.1 into /workspace/builds/worker-110/source
[INFO] validating manifest of crates.io crate parallel-disk-usage 0.6.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parallel-disk-usage 0.6.1
[INFO] finished tweaking crates.io crate parallel-disk-usage 0.6.1
[INFO] tweaked toml for crates.io crate parallel-disk-usage 0.6.1 written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate crates.io crate parallel-disk-usage 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be207c40e6326e2318d597d190b45d7822e4867097e68fd1f87f87c5de070f0d
[INFO] running `Command { std: "docker" "start" "-a" "be207c40e6326e2318d597d190b45d7822e4867097e68fd1f87f87c5de070f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be207c40e6326e2318d597d190b45d7822e4867097e68fd1f87f87c5de070f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be207c40e6326e2318d597d190b45d7822e4867097e68fd1f87f87c5de070f0d", kill_on_drop: false }`
[INFO] [stdout] be207c40e6326e2318d597d190b45d7822e4867097e68fd1f87f87c5de070f0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29e02aace39378e95d0ef08b3b945dbc15155d50f079ff9fc05f4aac79f42ed9
[INFO] running `Command { std: "docker" "start" "-a" "29e02aace39378e95d0ef08b3b945dbc15155d50f079ff9fc05f4aac79f42ed9", 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 syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.65
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling pipe-trait v0.2.1
[INFO] [stderr]    Compiling assert-cmp v0.2.0
[INFO] [stderr]    Compiling text-block-macros v0.1.1
[INFO] [stderr]    Compiling pipe-trait v0.3.2
[INFO] [stderr]    Compiling rounded-div v0.1.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling smart-default v0.6.0
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[INFO] [stderr]    Compiling structopt v0.3.22
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling structopt-utilities v0.0.8
[INFO] [stderr]    Compiling derive_builder_macro v0.10.2
[INFO] [stderr]    Compiling fmt-iter v0.2.1
[INFO] [stderr]    Compiling derive_builder v0.10.2
[INFO] [stderr]    Compiling zero-copy-pads v0.2.0
[INFO] [stderr]    Compiling parallel-disk-usage v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/visualizer/proportion_bar.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 );
[INFO] [stdout]    |                  ^
[INFO] [stdout] ...
[INFO] [stdout] 83 |             BarAlignment::Left => fmt!("{level0}{level1}{level2}{level3}{level4}"),
[INFO] [stdout]    |                                   ------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(semicolon_in_expressions_from_macros)]` implied by `#[deny(warnings)]`
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/visualizer/proportion_bar.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 );
[INFO] [stdout]    |                  ^
[INFO] [stdout] ...
[INFO] [stdout] 84 |             BarAlignment::Right => fmt!("{level4}{level3}{level2}{level1}{level0}"),
[INFO] [stdout]    |                                    ------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parallel-disk-usage` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "29e02aace39378e95d0ef08b3b945dbc15155d50f079ff9fc05f4aac79f42ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e02aace39378e95d0ef08b3b945dbc15155d50f079ff9fc05f4aac79f42ed9", kill_on_drop: false }`
[INFO] [stdout] 29e02aace39378e95d0ef08b3b945dbc15155d50f079ff9fc05f4aac79f42ed9