[INFO] fetching crate difference 2.0.0...
[INFO] testing difference-2.0.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate difference 2.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate difference 2.0.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate difference 2.0.0
[INFO] finished tweaking crates.io crate difference 2.0.0
[INFO] tweaked toml for crates.io crate difference 2.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9b330920302433bc448fc816e90dac908d9c7f40b67d505d803c13403926630
[INFO] running `Command { std: "docker" "start" "-a" "e9b330920302433bc448fc816e90dac908d9c7f40b67d505d803c13403926630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9b330920302433bc448fc816e90dac908d9c7f40b67d505d803c13403926630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b330920302433bc448fc816e90dac908d9c7f40b67d505d803c13403926630", kill_on_drop: false }`
[INFO] [stdout] e9b330920302433bc448fc816e90dac908d9c7f40b67d505d803c13403926630
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1868ee5a3d362200dca5aa82e98b75ff1cad8c7b7753222c043f7a4b18a465a9
[INFO] running `Command { std: "docker" "start" "-a" "1868ee5a3d362200dca5aa82e98b75ff1cad8c7b7753222c043f7a4b18a465a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |                     try!(write!(f, "{}{}", x, self.split));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |                     try!(write!(f, "\x1b[92m{}\x1b[0m{}", x, self.split));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |                     try!(write!(f, "\x1b[91m{}\x1b[0m{}", x, self.split));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `difference`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "1868ee5a3d362200dca5aa82e98b75ff1cad8c7b7753222c043f7a4b18a465a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1868ee5a3d362200dca5aa82e98b75ff1cad8c7b7753222c043f7a4b18a465a9", kill_on_drop: false }`
[INFO] [stdout] 1868ee5a3d362200dca5aa82e98b75ff1cad8c7b7753222c043f7a4b18a465a9