[INFO] fetching crate std-logger 0.4.0...
[INFO] checking std-logger-0.4.0 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] extracting crate std-logger 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate std-logger 0.4.0 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate std-logger 0.4.0
[INFO] finished tweaking crates.io crate std-logger 0.4.0
[INFO] tweaked toml for crates.io crate std-logger 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate std-logger 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded object v0.22.0
[INFO] [stderr]   Downloaded backtrace v0.3.55
[INFO] [stderr]   Downloaded syn v1.0.58
[INFO] [stderr]   Downloaded miniz_oxide v0.4.3
[INFO] [stderr]   Downloaded quote v1.0.8
[INFO] [stderr]   Downloaded log-panics v2.0.0
[INFO] [stderr]   Downloaded ctor v0.1.17
[INFO] [stderr]   Downloaded sval v1.0.0-alpha.5
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec3d95039fa0d90d4ec144203d818570923e1d2c8fc91c021d8b04aaf80ff0a6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ec3d95039fa0d90d4ec144203d818570923e1d2c8fc91c021d8b04aaf80ff0a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec3d95039fa0d90d4ec144203d818570923e1d2c8fc91c021d8b04aaf80ff0a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec3d95039fa0d90d4ec144203d818570923e1d2c8fc91c021d8b04aaf80ff0a6", kill_on_drop: false }`
[INFO] [stdout] ec3d95039fa0d90d4ec144203d818570923e1d2c8fc91c021d8b04aaf80ff0a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc0fb4df664d53f40853826dbc8cc7e0dad61f2058a8510d13ccea16e78e2f7c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cc0fb4df664d53f40853826dbc8cc7e0dad61f2058a8510d13ccea16e78e2f7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]     Checking sval v1.0.0-alpha.5
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]    Compiling ctor v0.1.17
[INFO] [stderr]     Checking log-panics v2.0.0
[INFO] [stderr]     Checking std-logger v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `tests`
[INFO] [stdout]    --> src/lib.rs:236:1
[INFO] [stdout]     |
[INFO] [stdout] 236 | mod tests;
[INFO] [stdout]     | ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: to create the module `tests`, create file "src/tests.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LOG_OUTPUT`
[INFO] [stdout]    --> src/lib.rs:479:46
[INFO] [stdout]     |
[INFO] [stdout] 479 | use self::test_instruments::{stderr, stdout, LOG_OUTPUT};
[INFO] [stdout]     |                                              ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `std-logger`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cc0fb4df664d53f40853826dbc8cc7e0dad61f2058a8510d13ccea16e78e2f7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc0fb4df664d53f40853826dbc8cc7e0dad61f2058a8510d13ccea16e78e2f7c", kill_on_drop: false }`
[INFO] [stdout] cc0fb4df664d53f40853826dbc8cc7e0dad61f2058a8510d13ccea16e78e2f7c