[INFO] fetching crate slabruntime 0.1.0...
[INFO] checking slabruntime-0.1.0 against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] extracting crate slabruntime 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate slabruntime 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate slabruntime 0.1.0
[INFO] tweaked toml for crates.io crate slabruntime 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slabruntime 0.1.0 on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slabruntime 0.1.0 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa2ed9345fa400fa5fb208e9fd045b46675cb656eb1378f7f7d1984c1af1a90f
[INFO] running `Command { std: "docker" "start" "-a" "aa2ed9345fa400fa5fb208e9fd045b46675cb656eb1378f7f7d1984c1af1a90f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa2ed9345fa400fa5fb208e9fd045b46675cb656eb1378f7f7d1984c1af1a90f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa2ed9345fa400fa5fb208e9fd045b46675cb656eb1378f7f7d1984c1af1a90f", kill_on_drop: false }`
[INFO] [stdout] aa2ed9345fa400fa5fb208e9fd045b46675cb656eb1378f7f7d1984c1af1a90f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32f4d1b270e3a7c888feafd11a4e30512098374e9ec467131964e58eeb89d5ab
[INFO] running `Command { std: "docker" "start" "-a" "32f4d1b270e3a7c888feafd11a4e30512098374e9ec467131964e58eeb89d5ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling rusb v0.9.4
[INFO] [stderr]    Compiling cc v1.1.18
[INFO] [stderr]    Compiling libusb1-sys v0.7.0
[INFO] [stderr]     Checking slabruntime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `CP2101_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const CP2101_PARTNUM: u8 = 0x01;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2102_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const CP2102_PARTNUM: u8 = 0x02;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2103_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const CP2103_PARTNUM: u8 = 0x03;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2104_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const CP2104_PARTNUM: u8 = 0x04;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2105_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const CP2105_PARTNUM: u8 = 0x05;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2108_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const CP2108_PARTNUM: u8 = 0x08;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2101_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const CP2101_PARTNUM: u8 = 0x01;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2102_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const CP2102_PARTNUM: u8 = 0x02;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2103_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const CP2103_PARTNUM: u8 = 0x03;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2104_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const CP2104_PARTNUM: u8 = 0x04;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2105_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const CP2105_PARTNUM: u8 = 0x05;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2108_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const CP2108_PARTNUM: u8 = 0x08;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `Command { std: "docker" "inspect" "32f4d1b270e3a7c888feafd11a4e30512098374e9ec467131964e58eeb89d5ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f4d1b270e3a7c888feafd11a4e30512098374e9ec467131964e58eeb89d5ab", kill_on_drop: false }`
[INFO] [stdout] 32f4d1b270e3a7c888feafd11a4e30512098374e9ec467131964e58eeb89d5ab