[INFO] fetching crate line_diff 0.12.0...
[INFO] checking line_diff-0.12.0 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] extracting crate line_diff 0.12.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate line_diff 0.12.0 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate line_diff 0.12.0
[INFO] finished tweaking crates.io crate line_diff 0.12.0
[INFO] tweaked toml for crates.io crate line_diff 0.12.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate line_diff 0.12.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smawk v0.3.0
[INFO] [stderr]   Downloaded bstr v0.2.12
[INFO] [stderr]   Downloaded structopt-derive v0.4.5
[INFO] [stderr]   Downloaded structopt v0.3.12
[INFO] [stderr]   Downloaded textwrap v0.13.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c73697803ac8ed66b3fcb8e9ad351ae9fa2327ad8964c01f556abb6d5871ead
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0c73697803ac8ed66b3fcb8e9ad351ae9fa2327ad8964c01f556abb6d5871ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c73697803ac8ed66b3fcb8e9ad351ae9fa2327ad8964c01f556abb6d5871ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c73697803ac8ed66b3fcb8e9ad351ae9fa2327ad8964c01f556abb6d5871ead", kill_on_drop: false }`
[INFO] [stdout] 0c73697803ac8ed66b3fcb8e9ad351ae9fa2327ad8964c01f556abb6d5871ead
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50dc1a8317f9a2fd4165966505aed7c623155a531415b07ed416bb3170c99586
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "50dc1a8317f9a2fd4165966505aed7c623155a531415b07ed416bb3170c99586", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking smawk v0.3.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking textwrap v0.13.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking line_diff v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.78s
[INFO] running `Command { std: "docker" "inspect" "50dc1a8317f9a2fd4165966505aed7c623155a531415b07ed416bb3170c99586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50dc1a8317f9a2fd4165966505aed7c623155a531415b07ed416bb3170c99586", kill_on_drop: false }`
[INFO] [stdout] 50dc1a8317f9a2fd4165966505aed7c623155a531415b07ed416bb3170c99586