[INFO] fetching crate sea-shell 0.0.12...
[INFO] checking sea-shell-0.0.12 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate sea-shell 0.0.12 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate sea-shell 0.0.12 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sea-shell 0.0.12
[INFO] finished tweaking crates.io crate sea-shell 0.0.12
[INFO] tweaked toml for crates.io crate sea-shell 0.0.12 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate sea-shell 0.0.12 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded reedline v0.2.0
[INFO] [stderr]   Downloaded crossterm_winapi v0.8.0
[INFO] [stderr]   Downloaded owo-colors v3.2.0
[INFO] [stderr]   Downloaded signal-hook-mio v0.2.1
[INFO] [stderr]   Downloaded nu-ansi-term v0.36.0
[INFO] [stderr]   Downloaded signal-hook v0.3.13
[INFO] [stderr]   Downloaded crossterm v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15e5c7aaeda38faa458be632c7262b1672c9e6c0ab2be726eba2c023e46a35c4
[INFO] running `Command { std: "docker" "start" "-a" "15e5c7aaeda38faa458be632c7262b1672c9e6c0ab2be726eba2c023e46a35c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15e5c7aaeda38faa458be632c7262b1672c9e6c0ab2be726eba2c023e46a35c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15e5c7aaeda38faa458be632c7262b1672c9e6c0ab2be726eba2c023e46a35c4", kill_on_drop: false }`
[INFO] [stdout] 15e5c7aaeda38faa458be632c7262b1672c9e6c0ab2be726eba2c023e46a35c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 739779ea2588c858a7bd180013092c44d4fd3ce1be80dc7ba676b2d56409080d
[INFO] running `Command { std: "docker" "start" "-a" "739779ea2588c858a7bd180013092c44d4fd3ce1be80dc7ba676b2d56409080d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking sea-shell v0.0.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `future::Future` and `self`
[INFO] [stdout]   --> src/lib.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fmt::{self, Display, Formatter, Result as FmtResult},
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 21 |     future::Future,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `future::Future` and `self`
[INFO] [stdout]   --> src/lib.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fmt::{self, Display, Formatter, Result as FmtResult},
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 21 |     future::Future,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.21s
[INFO] running `Command { std: "docker" "inspect" "739779ea2588c858a7bd180013092c44d4fd3ce1be80dc7ba676b2d56409080d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "739779ea2588c858a7bd180013092c44d4fd3ce1be80dc7ba676b2d56409080d", kill_on_drop: false }`
[INFO] [stdout] 739779ea2588c858a7bd180013092c44d4fd3ce1be80dc7ba676b2d56409080d