[INFO] fetching crate simple-logging 2.0.2...
[INFO] testing simple-logging-2.0.2 against 1.49.0 for beta-1.50-1
[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 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 640157f735228737be1bf661bc749138310e8ae949b067ffd5df68d2965d9da1
[INFO] running `Command { std: "docker" "start" "-a" "640157f735228737be1bf661bc749138310e8ae949b067ffd5df68d2965d9da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "640157f735228737be1bf661bc749138310e8ae949b067ffd5df68d2965d9da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640157f735228737be1bf661bc749138310e8ae949b067ffd5df68d2965d9da1", kill_on_drop: false }`
[INFO] [stdout] 640157f735228737be1bf661bc749138310e8ae949b067ffd5df68d2965d9da1
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] 845ee4a3652b25029bf998f22a7a43c3d0f23df13c1f562da16f36725ef4fa35
[INFO] running `Command { std: "docker" "start" "-a" "845ee4a3652b25029bf998f22a7a43c3d0f23df13c1f562da16f36725ef4fa35", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "845ee4a3652b25029bf998f22a7a43c3d0f23df13c1f562da16f36725ef4fa35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "845ee4a3652b25029bf998f22a7a43c3d0f23df13c1f562da16f36725ef4fa35", kill_on_drop: false }`
[INFO] [stdout] 845ee4a3652b25029bf998f22a7a43c3d0f23df13c1f562da16f36725ef4fa35
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd8c54d1bc20f2293643d6abb45154750145d10f627a26770db87af2845c6916
[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" "dd8c54d1bc20f2293643d6abb45154750145d10f627a26770db87af2845c6916", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [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 test [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "dd8c54d1bc20f2293643d6abb45154750145d10f627a26770db87af2845c6916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8c54d1bc20f2293643d6abb45154750145d10f627a26770db87af2845c6916", kill_on_drop: false }`
[INFO] [stdout] dd8c54d1bc20f2293643d6abb45154750145d10f627a26770db87af2845c6916
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 23ab18c6171465cbcaaa1d9faa11c4b37d1809a5f7ac3b85b3121bc825907359
[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" "23ab18c6171465cbcaaa1d9faa11c4b37d1809a5f7ac3b85b3121bc825907359", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:138:15
[INFO] [stderr]     |
[INFO] [stderr] 138 |     sink: Box<Write + Send>,
[INFO] [stderr]     |               ^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send`
[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:226:40
[INFO] [stderr]     |
[INFO] [stderr] 226 |     assert_eq!(log::logger() as *const Log, &*LOGGER as *const Log);
[INFO] [stderr]     |                                        ^^^ help: use `dyn`: `dyn Log`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:226:64
[INFO] [stderr]     |
[INFO] [stderr] 226 |     assert_eq!(log::logger() as *const Log, &*LOGGER as *const Log);
[INFO] [stderr]     |                                                                ^^^ help: use `dyn`: `dyn Log`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:138:15
[INFO] [stderr]     |
[INFO] [stderr] 138 |     sink: Box<Write + Send>,
[INFO] [stderr]     |               ^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send`
[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:226:40
[INFO] [stderr]     |
[INFO] [stderr] 226 |     assert_eq!(log::logger() as *const Log, &*LOGGER as *const Log);
[INFO] [stderr]     |                                        ^^^ help: use `dyn`: `dyn Log`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:226:64
[INFO] [stderr]     |
[INFO] [stderr] 226 |     assert_eq!(log::logger() as *const Log, &*LOGGER as *const Log);
[INFO] [stderr]     |                                                                ^^^ help: use `dyn`: `dyn Log`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_logging-75566edb6b352a0b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple-logging
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] test src/lib.rs - log_to_stderr (line 192) ... ok
[INFO] [stdout] test src/lib.rs - log_to (line 210) ... ok
[INFO] [stdout] test src/lib.rs - log_to_file (line 168) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "23ab18c6171465cbcaaa1d9faa11c4b37d1809a5f7ac3b85b3121bc825907359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ab18c6171465cbcaaa1d9faa11c4b37d1809a5f7ac3b85b3121bc825907359", kill_on_drop: false }`
[INFO] [stdout] 23ab18c6171465cbcaaa1d9faa11c4b37d1809a5f7ac3b85b3121bc825907359