[INFO] crate skill-tree 1.3.2 is already in cache
[INFO] checking skill-tree-1.3.2 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate skill-tree 1.3.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate skill-tree 1.3.2 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate skill-tree 1.3.2
[INFO] finished tweaking crates.io crate skill-tree 1.3.2
[INFO] tweaked toml for crates.io crate skill-tree 1.3.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate skill-tree 1.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da276ac6410746372f3163d92cbb1d55dc862203d4ca5440df4d48ca1b56e18d
[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" "da276ac6410746372f3163d92cbb1d55dc862203d4ca5440df4d48ca1b56e18d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da276ac6410746372f3163d92cbb1d55dc862203d4ca5440df4d48ca1b56e18d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da276ac6410746372f3163d92cbb1d55dc862203d4ca5440df4d48ca1b56e18d", kill_on_drop: false }`
[INFO] [stdout] da276ac6410746372f3163d92cbb1d55dc862203d4ca5440df4d48ca1b56e18d
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d1d7a973e3936e8ab4754fa7b98a8b79b0b5d808622a7e6299338b13c3bdfe7
[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" "0d1d7a973e3936e8ab4754fa7b98a8b79b0b5d808622a7e6299338b13c3bdfe7", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking svg v0.5.12
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking rust-embed-utils v5.0.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking toml v0.5.1
[INFO] [stderr]    Compiling rust-embed-impl v5.2.0
[INFO] [stderr]    Compiling fehler-macros v1.0.0-alpha.2
[INFO] [stderr]     Checking rust-embed v5.2.0
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]     Checking fehler v1.0.0-alpha.2
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]     Checking structopt v0.3.11
[INFO] [stderr]     Checking skill-tree v1.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "0d1d7a973e3936e8ab4754fa7b98a8b79b0b5d808622a7e6299338b13c3bdfe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d1d7a973e3936e8ab4754fa7b98a8b79b0b5d808622a7e6299338b13c3bdfe7", kill_on_drop: false }`
[INFO] [stdout] 0d1d7a973e3936e8ab4754fa7b98a8b79b0b5d808622a7e6299338b13c3bdfe7