[INFO] fetching crate extracterr 0.1.1...
[INFO] checking extracterr-0.1.1 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] extracting crate extracterr 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate extracterr 0.1.1 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate extracterr 0.1.1
[INFO] finished tweaking crates.io crate extracterr 0.1.1
[INFO] tweaked toml for crates.io crate extracterr 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ed2e5c8635a5f01a5b012bb5da6f5dbc331e477b01566a91dcf1918846d9cfe9
[INFO] running `"docker" "start" "-a" "ed2e5c8635a5f01a5b012bb5da6f5dbc331e477b01566a91dcf1918846d9cfe9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking extracterr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr] warning: external crate `backtrace` unused in `extracterr`: remove the dependency or add `use backtrace as _;`
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 150 |     unused,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_crate_dependencies)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `thiserror` unused in `extracterr`: remove the dependency or add `use thiserror as _;`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.43s
[INFO] running `"docker" "inspect" "ed2e5c8635a5f01a5b012bb5da6f5dbc331e477b01566a91dcf1918846d9cfe9"`
[INFO] running `"docker" "rm" "-f" "ed2e5c8635a5f01a5b012bb5da6f5dbc331e477b01566a91dcf1918846d9cfe9"`
[INFO] [stdout] ed2e5c8635a5f01a5b012bb5da6f5dbc331e477b01566a91dcf1918846d9cfe9