[INFO] fetching crate log4rs-cases 0.2.0...
[INFO] checking log4rs-cases-0.2.0 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate log4rs-cases 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate log4rs-cases 0.2.0 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate log4rs-cases 0.2.0
[INFO] finished tweaking crates.io crate log4rs-cases 0.2.0
[INFO] tweaked toml for crates.io crate log4rs-cases 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa706e9c53615f422d73850e795bed307195da35548c4eb7fc208af9688c2f13
[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" "aa706e9c53615f422d73850e795bed307195da35548c4eb7fc208af9688c2f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa706e9c53615f422d73850e795bed307195da35548c4eb7fc208af9688c2f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa706e9c53615f422d73850e795bed307195da35548c4eb7fc208af9688c2f13", kill_on_drop: false }`
[INFO] [stdout] aa706e9c53615f422d73850e795bed307195da35548c4eb7fc208af9688c2f13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecdc6b3f4dad4df88c6ba4d7fe46efc0eab932730a0beabdaab2ed0c4001e8fa
[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" "ecdc6b3f4dad4df88c6ba4d7fe46efc0eab932730a0beabdaab2ed0c4001e8fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking parking_lot_core v0.8.1
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking log4rs v0.13.0
[INFO] [stderr]     Checking log4rs-cases v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.03s
[INFO] running `Command { std: "docker" "inspect" "ecdc6b3f4dad4df88c6ba4d7fe46efc0eab932730a0beabdaab2ed0c4001e8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecdc6b3f4dad4df88c6ba4d7fe46efc0eab932730a0beabdaab2ed0c4001e8fa", kill_on_drop: false }`
[INFO] [stdout] ecdc6b3f4dad4df88c6ba4d7fe46efc0eab932730a0beabdaab2ed0c4001e8fa