[INFO] fetching crate panic-log 0.3.0...
[INFO] checking panic-log-0.3.0 against try#b32fc44666c052e7cf07ab471bfb6f9ec571902f for pr-138676
[INFO] extracting crate panic-log 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate panic-log 0.3.0 on toolchain b32fc44666c052e7cf07ab471bfb6f9ec571902f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate panic-log 0.3.0
[INFO] finished tweaking crates.io crate panic-log 0.3.0
[INFO] tweaked toml for crates.io crate panic-log 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 395828b40e462d4f72838c20d1ca2cd6ce30fd596b05c118b33f8e1d6525192b
[INFO] running `Command { std: "docker" "start" "-a" "395828b40e462d4f72838c20d1ca2cd6ce30fd596b05c118b33f8e1d6525192b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "395828b40e462d4f72838c20d1ca2cd6ce30fd596b05c118b33f8e1d6525192b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "395828b40e462d4f72838c20d1ca2cd6ce30fd596b05c118b33f8e1d6525192b", kill_on_drop: false }`
[INFO] [stdout] 395828b40e462d4f72838c20d1ca2cd6ce30fd596b05c118b33f8e1d6525192b
[INFO] checking panic-log-0.3.0 against try#b32fc44666c052e7cf07ab471bfb6f9ec571902f for pr-138676
[INFO] extracting crate panic-log 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate panic-log 0.3.0 on toolchain b32fc44666c052e7cf07ab471bfb6f9ec571902f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate panic-log 0.3.0
[INFO] finished tweaking crates.io crate panic-log 0.3.0
[INFO] tweaked toml for crates.io crate panic-log 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94ea7f34b2db9d29ea940367f7f051dd2990a9c75c1852a062ad828e15110560
[INFO] running `Command { std: "docker" "start" "-a" "94ea7f34b2db9d29ea940367f7f051dd2990a9c75c1852a062ad828e15110560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94ea7f34b2db9d29ea940367f7f051dd2990a9c75c1852a062ad828e15110560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ea7f34b2db9d29ea940367f7f051dd2990a9c75c1852a062ad828e15110560", kill_on_drop: false }`
[INFO] [stdout] 94ea7f34b2db9d29ea940367f7f051dd2990a9c75c1852a062ad828e15110560
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 685e90cd1a595f1c8246307583cf37937393c24b65af559de1e7af908c766223
[INFO] running `Command { std: "docker" "start" "-a" "685e90cd1a595f1c8246307583cf37937393c24b65af559de1e7af908c766223", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]     Checking panic-log v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "685e90cd1a595f1c8246307583cf37937393c24b65af559de1e7af908c766223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "685e90cd1a595f1c8246307583cf37937393c24b65af559de1e7af908c766223", kill_on_drop: false }`
[INFO] [stdout] 685e90cd1a595f1c8246307583cf37937393c24b65af559de1e7af908c766223