[INFO] fetching crate better-panic 0.2.0...
[INFO] checking better-panic-0.2.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate better-panic 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate better-panic 0.2.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate better-panic 0.2.0
[INFO] finished tweaking crates.io crate better-panic 0.2.0
[INFO] tweaked toml for crates.io crate better-panic 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] eb59ad1b64734c6a904394cb1bb992942671a4d62159a121bd1ff49f7d553b26
[INFO] running `Command { std: "docker" "start" "-a" "eb59ad1b64734c6a904394cb1bb992942671a4d62159a121bd1ff49f7d553b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb59ad1b64734c6a904394cb1bb992942671a4d62159a121bd1ff49f7d553b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb59ad1b64734c6a904394cb1bb992942671a4d62159a121bd1ff49f7d553b26", kill_on_drop: false }`
[INFO] [stdout] eb59ad1b64734c6a904394cb1bb992942671a4d62159a121bd1ff49f7d553b26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1704be45515dda9a6e47adc8c8eca954d0779d3d1159eb7e4f308fbcaa7fbd48
[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" "1704be45515dda9a6e47adc8c8eca954d0779d3d1159eb7e4f308fbcaa7fbd48", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]    Compiling backtrace v0.3.58
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking better-panic v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.89s
[INFO] running `Command { std: "docker" "inspect" "1704be45515dda9a6e47adc8c8eca954d0779d3d1159eb7e4f308fbcaa7fbd48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1704be45515dda9a6e47adc8c8eca954d0779d3d1159eb7e4f308fbcaa7fbd48", kill_on_drop: false }`
[INFO] [stdout] 1704be45515dda9a6e47adc8c8eca954d0779d3d1159eb7e4f308fbcaa7fbd48