[INFO] fetching crate log_hal 0.1.0...
[INFO] checking log_hal-0.1.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate log_hal 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate log_hal 0.1.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate log_hal 0.1.0
[INFO] finished tweaking crates.io crate log_hal 0.1.0
[INFO] tweaked toml for crates.io crate log_hal 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ccba261b1c55541d197be46629c48ccb34805f1f90ee1b0d0d4ef650c9249dbc
[INFO] running `Command { std: "docker" "start" "-a" "ccba261b1c55541d197be46629c48ccb34805f1f90ee1b0d0d4ef650c9249dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccba261b1c55541d197be46629c48ccb34805f1f90ee1b0d0d4ef650c9249dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccba261b1c55541d197be46629c48ccb34805f1f90ee1b0d0d4ef650c9249dbc", kill_on_drop: false }`
[INFO] [stdout] ccba261b1c55541d197be46629c48ccb34805f1f90ee1b0d0d4ef650c9249dbc
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a567816b0e2be1a38055e84ee05e6fd9867bd76071c27a667cbd46514c8e9ac1
[INFO] running `Command { std: "docker" "start" "-a" "a567816b0e2be1a38055e84ee05e6fd9867bd76071c27a667cbd46514c8e9ac1", kill_on_drop: false }`
[INFO] [stderr]     Checking log_hal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0053]: method `log` has an incompatible type for trait
[INFO] [stdout]   --> tests/logstd.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn log(&self, level: Level, args: Arguments) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&Arguments<'_>`, found struct `Arguments`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(&LogStd, Level, &Arguments<'_>)`
[INFO] [stdout]               found fn pointer `fn(&LogStd, Level, Arguments<'_>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/logstd.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |     logger.debug(format_args!("{}", "hello"));
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  expected `&Arguments<'_>`, found struct `Arguments`
[INFO] [stdout]    |                  help: consider borrowing here: `&format_args!("{}", "hello")`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `log_hal`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a567816b0e2be1a38055e84ee05e6fd9867bd76071c27a667cbd46514c8e9ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a567816b0e2be1a38055e84ee05e6fd9867bd76071c27a667cbd46514c8e9ac1", kill_on_drop: false }`
[INFO] [stdout] a567816b0e2be1a38055e84ee05e6fd9867bd76071c27a667cbd46514c8e9ac1