[INFO] fetching crate bors 1.1.3...
[INFO] checking bors-1.1.3 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate bors 1.1.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate bors 1.1.3
[INFO] finished tweaking crates.io crate bors 1.1.3
[INFO] tweaked toml for crates.io crate bors 1.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bors 1.1.3 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding const-sha1 v0.2.0 (available: v0.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92524dba327dc757d4792aaaee9ad21ff5a7baba661cbd7cf3584509d5636108
[INFO] running `Command { std: "docker" "start" "-a" "92524dba327dc757d4792aaaee9ad21ff5a7baba661cbd7cf3584509d5636108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92524dba327dc757d4792aaaee9ad21ff5a7baba661cbd7cf3584509d5636108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92524dba327dc757d4792aaaee9ad21ff5a7baba661cbd7cf3584509d5636108", kill_on_drop: false }`
[INFO] [stdout] 92524dba327dc757d4792aaaee9ad21ff5a7baba661cbd7cf3584509d5636108
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aed93ba40af34fb7570df69d7441a1595146014b9f4171c0964cfd2cf0e6c668
[INFO] running `Command { std: "docker" "start" "-a" "aed93ba40af34fb7570df69d7441a1595146014b9f4171c0964cfd2cf0e6c668", kill_on_drop: false }`
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking const-sha1 v0.2.0
[INFO] [stderr]     Checking bors v1.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `new_flag`
[INFO] [stdout]  --> src/lib.rs:6:47
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn serialize(serializable: &Serializable, new_flag: bool) -> String {
[INFO] [stdout]   |                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_flag`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_flag`
[INFO] [stdout]  --> src/lib.rs:6:47
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn serialize(serializable: &Serializable, new_flag: bool) -> String {
[INFO] [stdout]   |                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_flag`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "aed93ba40af34fb7570df69d7441a1595146014b9f4171c0964cfd2cf0e6c668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed93ba40af34fb7570df69d7441a1595146014b9f4171c0964cfd2cf0e6c668", kill_on_drop: false }`
[INFO] [stdout] aed93ba40af34fb7570df69d7441a1595146014b9f4171c0964cfd2cf0e6c668