[INFO] fetching crate corpus 0.2.1...
[INFO] checking corpus-0.2.1 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate corpus 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate corpus 0.2.1 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate corpus 0.2.1
[INFO] finished tweaking crates.io crate corpus 0.2.1
[INFO] tweaked toml for crates.io crate corpus 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate corpus 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b21ba9bf7a6e4934f502964e52c11129cd106a178a6b4207551bc05b3fdca0d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3b21ba9bf7a6e4934f502964e52c11129cd106a178a6b4207551bc05b3fdca0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b21ba9bf7a6e4934f502964e52c11129cd106a178a6b4207551bc05b3fdca0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b21ba9bf7a6e4934f502964e52c11129cd106a178a6b4207551bc05b3fdca0d", kill_on_drop: false }`
[INFO] [stdout] 3b21ba9bf7a6e4934f502964e52c11129cd106a178a6b4207551bc05b3fdca0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceaf80afc0428a4be9b4285e33772c8ad575d7cfaaf4d9ec9fad6ee6671f0b9d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ceaf80afc0428a4be9b4285e33772c8ad575d7cfaaf4d9ec9fad6ee6671f0b9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]     Checking path-dedot v3.0.12
[INFO] [stderr]     Checking path-absolutize v3.0.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]     Checking thiserror v1.0.28
[INFO] [stderr]     Checking corpus v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CorpusError`
[INFO] [stdout]  --> tests/path.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use corpus::{builder, CorpusError, MaybePath};
[INFO] [stdout]   |                       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.09s
[INFO] running `Command { std: "docker" "inspect" "ceaf80afc0428a4be9b4285e33772c8ad575d7cfaaf4d9ec9fad6ee6671f0b9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceaf80afc0428a4be9b4285e33772c8ad575d7cfaaf4d9ec9fad6ee6671f0b9d", kill_on_drop: false }`
[INFO] [stdout] ceaf80afc0428a4be9b4285e33772c8ad575d7cfaaf4d9ec9fad6ee6671f0b9d