[INFO] fetching crate simple-logging 2.0.2...
[INFO] checking simple-logging-2.0.2 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate simple-logging 2.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate simple-logging 2.0.2 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-logging 2.0.2
[INFO] finished tweaking crates.io crate simple-logging 2.0.2
[INFO] tweaked toml for crates.io crate simple-logging 2.0.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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] 7c390853653a2ab31a71a0fae6bf1384a9f749d5d5368f09a5f5f1c61b7b6ed2
[INFO] running `Command { std: "docker" "start" "-a" "7c390853653a2ab31a71a0fae6bf1384a9f749d5d5368f09a5f5f1c61b7b6ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c390853653a2ab31a71a0fae6bf1384a9f749d5d5368f09a5f5f1c61b7b6ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c390853653a2ab31a71a0fae6bf1384a9f749d5d5368f09a5f5f1c61b7b6ed2", kill_on_drop: false }`
[INFO] [stdout] 7c390853653a2ab31a71a0fae6bf1384a9f749d5d5368f09a5f5f1c61b7b6ed2
[INFO] running `Command { std: "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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec9251dc3671005e87905930e891b94707d516d1409ad4c57d30bb6b7d788595
[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" "ec9251dc3671005e87905930e891b94707d516d1409ad4c57d30bb6b7d788595", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking simple-logging v2.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:138:15
[INFO] [stdout]     |
[INFO] [stdout] 138 |     sink: Box<Write + Send>,
[INFO] [stdout]     |               ^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:226:40
[INFO] [stdout]     |
[INFO] [stdout] 226 |     assert_eq!(log::logger() as *const Log, &*LOGGER as *const Log);
[INFO] [stdout]     |                                        ^^^ help: use `dyn`: `dyn Log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:226:64
[INFO] [stdout]     |
[INFO] [stdout] 226 |     assert_eq!(log::logger() as *const Log, &*LOGGER as *const Log);
[INFO] [stdout]     |                                                                ^^^ help: use `dyn`: `dyn Log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:138:15
[INFO] [stdout]     |
[INFO] [stdout] 138 |     sink: Box<Write + Send>,
[INFO] [stdout]     |               ^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:226:40
[INFO] [stdout]     |
[INFO] [stdout] 226 |     assert_eq!(log::logger() as *const Log, &*LOGGER as *const Log);
[INFO] [stdout]     |                                        ^^^ help: use `dyn`: `dyn Log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:226:64
[INFO] [stdout]     |
[INFO] [stdout] 226 |     assert_eq!(log::logger() as *const Log, &*LOGGER as *const Log);
[INFO] [stdout]     |                                                                ^^^ help: use `dyn`: `dyn Log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.99s
[INFO] running `Command { std: "docker" "inspect" "ec9251dc3671005e87905930e891b94707d516d1409ad4c57d30bb6b7d788595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9251dc3671005e87905930e891b94707d516d1409ad4c57d30bb6b7d788595", kill_on_drop: false }`
[INFO] [stdout] ec9251dc3671005e87905930e891b94707d516d1409ad4c57d30bb6b7d788595