[INFO] fetching crate poly 0.1.0...
[INFO] checking poly-0.1.0 against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] extracting crate poly 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate poly 0.1.0 on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate poly 0.1.0
[INFO] finished tweaking crates.io crate poly 0.1.0
[INFO] tweaked toml for crates.io crate poly 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate poly 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fecf5ee68577ac1e3c5ff6d706ade70dcde54caba67e03aa7c2f6bcbfbed286b
[INFO] running `Command { std: "docker" "start" "-a" "fecf5ee68577ac1e3c5ff6d706ade70dcde54caba67e03aa7c2f6bcbfbed286b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fecf5ee68577ac1e3c5ff6d706ade70dcde54caba67e03aa7c2f6bcbfbed286b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fecf5ee68577ac1e3c5ff6d706ade70dcde54caba67e03aa7c2f6bcbfbed286b", kill_on_drop: false }`
[INFO] [stdout] fecf5ee68577ac1e3c5ff6d706ade70dcde54caba67e03aa7c2f6bcbfbed286b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b728b3715654461847685d195f040b034bf1e66b62db7f9d8faa695769a7f9e7
[INFO] running `Command { std: "docker" "start" "-a" "b728b3715654461847685d195f040b034bf1e66b62db7f9d8faa695769a7f9e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking poly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `add::*`
[INFO] [stdout]   --> src/lib.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use add::*;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mul::*`
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use mul::*;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sub::*`
[INFO] [stdout]   --> src/lib.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use sub::*;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `add::*`
[INFO] [stdout]   --> src/lib.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use add::*;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mul::*`
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use mul::*;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sub::*`
[INFO] [stdout]   --> src/lib.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use sub::*;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "b728b3715654461847685d195f040b034bf1e66b62db7f9d8faa695769a7f9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b728b3715654461847685d195f040b034bf1e66b62db7f9d8faa695769a7f9e7", kill_on_drop: false }`
[INFO] [stdout] b728b3715654461847685d195f040b034bf1e66b62db7f9d8faa695769a7f9e7