[INFO] fetching crate ficon 0.1.0...
[INFO] checking ficon-0.1.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate ficon 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate ficon 0.1.0 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 ficon 0.1.0
[INFO] finished tweaking crates.io crate ficon 0.1.0
[INFO] tweaked toml for crates.io crate ficon 0.1.0 written to /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 4d3ea8d5988cc8ee9785c975c1ce5e4de2c2be2eebfa15151035f042b16fdba3
[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" "4d3ea8d5988cc8ee9785c975c1ce5e4de2c2be2eebfa15151035f042b16fdba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d3ea8d5988cc8ee9785c975c1ce5e4de2c2be2eebfa15151035f042b16fdba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3ea8d5988cc8ee9785c975c1ce5e4de2c2be2eebfa15151035f042b16fdba3", kill_on_drop: false }`
[INFO] [stdout] 4d3ea8d5988cc8ee9785c975c1ce5e4de2c2be2eebfa15151035f042b16fdba3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 67d12500acaea23bbc3bf0f8b8b871a5df101b0039be70df014e6127f1169e3f
[INFO] running `Command { std: "docker" "start" "-a" "67d12500acaea23bbc3bf0f8b8b871a5df101b0039be70df014e6127f1169e3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.58
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking crossbeam-utils v0.8.4
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking os_type v2.2.0
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking human-panic v1.0.3
[INFO] [stderr]     Checking ficon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.56s
[INFO] running `Command { std: "docker" "inspect" "67d12500acaea23bbc3bf0f8b8b871a5df101b0039be70df014e6127f1169e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d12500acaea23bbc3bf0f8b8b871a5df101b0039be70df014e6127f1169e3f", kill_on_drop: false }`
[INFO] [stdout] 67d12500acaea23bbc3bf0f8b8b871a5df101b0039be70df014e6127f1169e3f