[INFO] fetching crate fern-journal 0.2.0...
[INFO] testing fern-journal-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fern-journal 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate fern-journal 0.2.0 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 fern-journal 0.2.0
[INFO] finished tweaking crates.io crate fern-journal 0.2.0
[INFO] tweaked toml for crates.io crate fern-journal 0.2.0 written to /workspace/builds/worker-8/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 8368d30d51992ac23a528cd227f87fdfdef5328d4be3fb89422415c467049ea3
[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" "8368d30d51992ac23a528cd227f87fdfdef5328d4be3fb89422415c467049ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8368d30d51992ac23a528cd227f87fdfdef5328d4be3fb89422415c467049ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8368d30d51992ac23a528cd227f87fdfdef5328d4be3fb89422415c467049ea3", kill_on_drop: false }`
[INFO] [stdout] 8368d30d51992ac23a528cd227f87fdfdef5328d4be3fb89422415c467049ea3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 9cd88a4d626bf70149dbb267cc5c98ad7f3fcc5fb1d2049bb29e16484c0b8559
[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" "9cd88a4d626bf70149dbb267cc5c98ad7f3fcc5fb1d2049bb29e16484c0b8559", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling utf8-cstr v0.1.6
[INFO] [stderr]    Compiling libsystemd-sys v0.1.0
[INFO] [stderr]    Compiling mbox v0.4.4
[INFO] [stderr]    Compiling fern v0.4.4
[INFO] [stderr]    Compiling systemd v0.1.1
[INFO] [stderr]    Compiling fern-journal v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn get_logger() -> Box<fern::FernLog> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn fern::FernLog`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.09s
[INFO] running `Command { std: "docker" "inspect" "9cd88a4d626bf70149dbb267cc5c98ad7f3fcc5fb1d2049bb29e16484c0b8559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cd88a4d626bf70149dbb267cc5c98ad7f3fcc5fb1d2049bb29e16484c0b8559", kill_on_drop: false }`
[INFO] [stdout] 9cd88a4d626bf70149dbb267cc5c98ad7f3fcc5fb1d2049bb29e16484c0b8559
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c5c1329ed579caaa47a78bc85e8f67a2efce89942181fe6ea3b9049b3a1f5c34
[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" "c5c1329ed579caaa47a78bc85e8f67a2efce89942181fe6ea3b9049b3a1f5c34", kill_on_drop: false }`
[INFO] [stderr]    Compiling fern-journal v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn get_logger() -> Box<fern::FernLog> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn fern::FernLog`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn get_logger() -> Box<fern::FernLog> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn fern::FernLog`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "c5c1329ed579caaa47a78bc85e8f67a2efce89942181fe6ea3b9049b3a1f5c34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c1329ed579caaa47a78bc85e8f67a2efce89942181fe6ea3b9049b3a1f5c34", kill_on_drop: false }`
[INFO] [stdout] c5c1329ed579caaa47a78bc85e8f67a2efce89942181fe6ea3b9049b3a1f5c34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 9f7ddada53872474539b7fa7b59a6710d63245d806608cf3233a386bd5b3be68
[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" "9f7ddada53872474539b7fa7b59a6710d63245d806608cf3233a386bd5b3be68", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:24:28
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn get_logger() -> Box<fern::FernLog> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn fern::FernLog`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:24:28
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn get_logger() -> Box<fern::FernLog> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn fern::FernLog`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fern_journal-c2250ad3196e3d6d
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fern-journal
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9f7ddada53872474539b7fa7b59a6710d63245d806608cf3233a386bd5b3be68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f7ddada53872474539b7fa7b59a6710d63245d806608cf3233a386bd5b3be68", kill_on_drop: false }`
[INFO] [stdout] 9f7ddada53872474539b7fa7b59a6710d63245d806608cf3233a386bd5b3be68