[INFO] crate tracing-subscriber 0.2.0-alpha.4 is already in cache
[INFO] checking tracing-subscriber-0.2.0-alpha.4 against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68766
[INFO] extracting crate tracing-subscriber 0.2.0-alpha.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tracing-subscriber 0.2.0-alpha.4 on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tracing-subscriber 0.2.0-alpha.4
[INFO] finished tweaking crates.io crate tracing-subscriber 0.2.0-alpha.4
[INFO] tweaked toml for crates.io crate tracing-subscriber 0.2.0-alpha.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4caa2a71ed44ed92b22d8e6226cd62c139f7e77e2c252586367a5d8af6520f14
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4caa2a71ed44ed92b22d8e6226cd62c139f7e77e2c252586367a5d8af6520f14"`
[INFO] [stderr]     Checking sharded-slab v0.0.7
[INFO] [stderr]     Checking tracing-serde v0.1.0
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking tracing-subscriber v0.2.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/reload.rs:231:9
[INFO] [stderr]     |
[INFO] [stderr] 231 |         error::Error::description(self).fmt(f)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/filter/env/mod.rs:356:42
[INFO] [stderr]     |
[INFO] [stderr] 356 |             ErrorKind::Parse(ref p) => p.description(),
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/filter/env/mod.rs:357:40
[INFO] [stderr]     |
[INFO] [stderr] 357 |             ErrorKind::Env(ref e) => e.description(),
[INFO] [stderr]     |                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2)
[INFO] [stderr]  --> tests/support.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | mod support;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `tracing-subscriber`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2)
[INFO] [stderr]  --> tests/support.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | mod support;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `tracing-subscriber`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2)
[INFO] [stderr]  --> tests/support.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | mod support;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `tracing-subscriber`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2)
[INFO] [stderr]  --> tests/support.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | mod support;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `tracing-subscriber`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2)
[INFO] [stderr]  --> tests/support.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | mod support;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `tracing-subscriber`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2)
[INFO] [stderr]  --> tests/support.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | mod support;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `tracing-subscriber`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/reload.rs:231:9
[INFO] [stderr]     |
[INFO] [stderr] 231 |         error::Error::description(self).fmt(f)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/filter/env/mod.rs:356:42
[INFO] [stderr]     |
[INFO] [stderr] 356 |             ErrorKind::Parse(ref p) => p.description(),
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/filter/env/mod.rs:357:40
[INFO] [stderr]     |
[INFO] [stderr] 357 |             ErrorKind::Env(ref e) => e.description(),
[INFO] [stderr]     |                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4caa2a71ed44ed92b22d8e6226cd62c139f7e77e2c252586367a5d8af6520f14"`
[INFO] running `"docker" "rm" "-f" "4caa2a71ed44ed92b22d8e6226cd62c139f7e77e2c252586367a5d8af6520f14"`
[INFO] [stdout] 4caa2a71ed44ed92b22d8e6226cd62c139f7e77e2c252586367a5d8af6520f14