[INFO] crate quick-error2 2.0.1 is already in cache
[INFO] checking quick-error2-2.0.1 against master#4007d4ef26eab44bdabc2b7574d032152264d3ad for pr-66919
[INFO] extracting crate quick-error2 2.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate quick-error2 2.0.1 on toolchain 4007d4ef26eab44bdabc2b7574d032152264d3ad
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate quick-error2 2.0.1
[INFO] finished tweaking crates.io crate quick-error2 2.0.1
[INFO] tweaked toml for crates.io crate quick-error2 2.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "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] 425819c5fe53e795019973d9fe550479f6ba9bc60d9542b0e5b5306c1de227a0
[INFO] running `"docker" "start" "-a" "425819c5fe53e795019973d9fe550479f6ba9bc60d9542b0e5b5306c1de227a0"`
[INFO] [stderr]     Checking quick-error2 v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1050:19
[INFO] [stderr]      |
[INFO] [stderr] 1050 |         let err: &Error = &Bare::Two;
[INFO] [stderr]      |                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1134:19
[INFO] [stderr]      |
[INFO] [stderr] 1134 |         let err: &Error = &TupleWrapper::Other(desc);
[INFO] [stderr]      |                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1147:19
[INFO] [stderr]      |
[INFO] [stderr] 1147 |         let err: &Error = &TupleWrapper::FromUtf8Error(source.clone(), invalid_utf8.clone());
[INFO] [stderr]      |                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1227:19
[INFO] [stderr]      |
[INFO] [stderr] 1227 |         let err: &Error = &StructWrapper::Utf8Error {
[INFO] [stderr]      |                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1374:19
[INFO] [stderr]      |
[INFO] [stderr] 1374 |         let err: &Error = &StructWrapper::Utf8Error {
[INFO] [stderr]      |                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `"docker" "inspect" "425819c5fe53e795019973d9fe550479f6ba9bc60d9542b0e5b5306c1de227a0"`
[INFO] running `"docker" "rm" "-f" "425819c5fe53e795019973d9fe550479f6ba9bc60d9542b0e5b5306c1de227a0"`
[INFO] [stdout] 425819c5fe53e795019973d9fe550479f6ba9bc60d9542b0e5b5306c1de227a0