[INFO] crate b2sum 0.3.0 is already in cache
[INFO] checking b2sum-0.3.0 against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] extracting crate b2sum 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate b2sum 0.3.0 on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate b2sum 0.3.0
[INFO] finished tweaking crates.io crate b2sum 0.3.0
[INFO] tweaked toml for crates.io crate b2sum 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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] 52f2af0217f1fddb420729977423d8882f297f928526f9eb8551cfd02fde20f7
[INFO] running `"docker" "start" "-a" "52f2af0217f1fddb420729977423d8882f297f928526f9eb8551cfd02fde20f7"`
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking backtrace v0.3.41
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking b2sum v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | /     error_chain! {
[INFO] [stderr] 7  | |         foreign_links {
[INFO] [stderr] 8  | |             Fmt(::std::fmt::Error);
[INFO] [stderr] 9  | |             Io(::std::io::Error);
[INFO] [stderr] 10 | |         }
[INFO] [stderr] 11 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | /     error_chain! {
[INFO] [stderr] 7  | |         foreign_links {
[INFO] [stderr] 8  | |             Fmt(::std::fmt::Error);
[INFO] [stderr] 9  | |             Io(::std::io::Error);
[INFO] [stderr] 10 | |         }
[INFO] [stderr] 11 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | /     error_chain! {
[INFO] [stderr] 7  | |         foreign_links {
[INFO] [stderr] 8  | |             Fmt(::std::fmt::Error);
[INFO] [stderr] 9  | |             Io(::std::io::Error);
[INFO] [stderr] 10 | |         }
[INFO] [stderr] 11 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | /     error_chain! {
[INFO] [stderr] 7  | |         foreign_links {
[INFO] [stderr] 8  | |             Fmt(::std::fmt::Error);
[INFO] [stderr] 9  | |             Io(::std::io::Error);
[INFO] [stderr] 10 | |         }
[INFO] [stderr] 11 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `"docker" "inspect" "52f2af0217f1fddb420729977423d8882f297f928526f9eb8551cfd02fde20f7"`
[INFO] running `"docker" "rm" "-f" "52f2af0217f1fddb420729977423d8882f297f928526f9eb8551cfd02fde20f7"`
[INFO] [stdout] 52f2af0217f1fddb420729977423d8882f297f928526f9eb8551cfd02fde20f7