[INFO] fetching crate fern-journal 0.2.0...
[INFO] checking fern-journal-0.2.0 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate fern-journal 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fern-journal 0.2.0 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fern v0.4.4
[INFO] [stderr]   Downloaded libsystemd-sys v0.1.0
[INFO] [stderr]   Downloaded mbox v0.4.4
[INFO] [stderr]   Downloaded systemd v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a020326984ac9d9bb7761db5bcb9b2d55839d8ce37146512151af0885ea4d47
[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" "8a020326984ac9d9bb7761db5bcb9b2d55839d8ce37146512151af0885ea4d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a020326984ac9d9bb7761db5bcb9b2d55839d8ce37146512151af0885ea4d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a020326984ac9d9bb7761db5bcb9b2d55839d8ce37146512151af0885ea4d47", kill_on_drop: false }`
[INFO] [stdout] 8a020326984ac9d9bb7761db5bcb9b2d55839d8ce37146512151af0885ea4d47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a01c0aeed88d0851f14647c56227de3f228553443d7ed1cb437caf18a09dc196
[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" "a01c0aeed88d0851f14647c56227de3f228553443d7ed1cb437caf18a09dc196", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking utf8-cstr v0.1.6
[INFO] [stderr]    Compiling mbox v0.4.4
[INFO] [stderr]    Compiling libsystemd-sys v0.1.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking fern v0.4.4
[INFO] [stderr]     Checking systemd v0.1.1
[INFO] [stderr]     Checking 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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `Command { std: "docker" "inspect" "a01c0aeed88d0851f14647c56227de3f228553443d7ed1cb437caf18a09dc196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a01c0aeed88d0851f14647c56227de3f228553443d7ed1cb437caf18a09dc196", kill_on_drop: false }`
[INFO] [stdout] a01c0aeed88d0851f14647c56227de3f228553443d7ed1cb437caf18a09dc196