[INFO] fetching crate eyre 0.4.2...
[INFO] checking eyre-0.4.2 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] extracting crate eyre 0.4.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate eyre 0.4.2 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate eyre 0.4.2
[INFO] finished tweaking crates.io crate eyre 0.4.2
[INFO] tweaked toml for crates.io crate eyre 0.4.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate eyre 0.4.2 already has a lockfile, it will not be regenerated
[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-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" "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] c246886febc0d6a199e2bf73d8e9b76105725e0ff6ed01d3557e4cbde174d559
[INFO] running `"docker" "start" "-a" "c246886febc0d6a199e2bf73d8e9b76105725e0ff6ed01d3557e4cbde174d559"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling eyre v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking dissimilar v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]     Checking thiserror v1.0.11
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking trybuild v1.0.23
[INFO] [stderr] warning: external crate `anyhow` unused in `eyre`: remove the dependency or add `use anyhow as _;`
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:320:5
[INFO] [stderr]     |
[INFO] [stderr] 320 |     unused,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_crate_dependencies)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `backtrace` unused in `eyre`: remove the dependency or add `use backtrace as _;`
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `futures` unused in `eyre`: remove the dependency or add `use futures as _;`
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `rustversion` unused in `eyre`: remove the dependency or add `use rustversion as _;`
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `thiserror` unused in `eyre`: remove the dependency or add `use thiserror as _;`
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `trybuild` unused in `eyre`: remove the dependency or add `use trybuild as _;`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `"docker" "inspect" "c246886febc0d6a199e2bf73d8e9b76105725e0ff6ed01d3557e4cbde174d559"`
[INFO] running `"docker" "rm" "-f" "c246886febc0d6a199e2bf73d8e9b76105725e0ff6ed01d3557e4cbde174d559"`
[INFO] [stdout] c246886febc0d6a199e2bf73d8e9b76105725e0ff6ed01d3557e4cbde174d559