[INFO] fetching crate page-primer 0.2.0...
[INFO] checking page-primer-0.2.0 against master#0f6e1ae67854c3c44726e8376144c16b465fe7c6 for pr-129392
[INFO] extracting crate page-primer 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate page-primer 0.2.0 on toolchain 0f6e1ae67854c3c44726e8376144c16b465fe7c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate page-primer 0.2.0
[INFO] finished tweaking crates.io crate page-primer 0.2.0
[INFO] tweaked toml for crates.io crate page-primer 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate page-primer 0.2.0 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" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 909ca205f2b2dad3cce74c0c0fc642a137a83d15dd21a20adc58e0e7800051e5
[INFO] running `Command { std: "docker" "start" "-a" "909ca205f2b2dad3cce74c0c0fc642a137a83d15dd21a20adc58e0e7800051e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "909ca205f2b2dad3cce74c0c0fc642a137a83d15dd21a20adc58e0e7800051e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "909ca205f2b2dad3cce74c0c0fc642a137a83d15dd21a20adc58e0e7800051e5", kill_on_drop: false }`
[INFO] [stdout] 909ca205f2b2dad3cce74c0c0fc642a137a83d15dd21a20adc58e0e7800051e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ede0f7908b09826274a64c0679a26afb26da262f1d59563a9a5bd422483daf3
[INFO] running `Command { std: "docker" "start" "-a" "2ede0f7908b09826274a64c0679a26afb26da262f1d59563a9a5bd422483daf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking page-primer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/linux.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |             Err(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/linux.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |             Err(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "2ede0f7908b09826274a64c0679a26afb26da262f1d59563a9a5bd422483daf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ede0f7908b09826274a64c0679a26afb26da262f1d59563a9a5bd422483daf3", kill_on_drop: false }`
[INFO] [stdout] 2ede0f7908b09826274a64c0679a26afb26da262f1d59563a9a5bd422483daf3