[INFO] fetching crate cotton 0.0.17...
[INFO] checking cotton-0.0.17 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate cotton 0.0.17 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cotton 0.0.17 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cotton 0.0.17
[INFO] finished tweaking crates.io crate cotton 0.0.17
[INFO] tweaked toml for crates.io crate cotton 0.0.17 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 04723766822f279b2106a988d57abc4ee20f536ae7fba692f6f7f2643e14e39a
[INFO] running `Command { std: "docker" "start" "-a" "04723766822f279b2106a988d57abc4ee20f536ae7fba692f6f7f2643e14e39a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04723766822f279b2106a988d57abc4ee20f536ae7fba692f6f7f2643e14e39a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04723766822f279b2106a988d57abc4ee20f536ae7fba692f6f7f2643e14e39a", kill_on_drop: false }`
[INFO] [stdout] 04723766822f279b2106a988d57abc4ee20f536ae7fba692f6f7f2643e14e39a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9494d487c70682c2695d1127d9612bff283685946a33f5513aa1d1b597ef0bb9
[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" "9494d487c70682c2695d1127d9612bff283685946a33f5513aa1d1b597ef0bb9", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking error-context v0.1.2
[INFO] [stderr]     Checking boolinator v2.4.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking shared_child v0.3.5
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking file-mode v0.1.2
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking exec v0.3.1
[INFO] [stderr]     Checking directories v3.0.2
[INFO] [stderr]     Checking duct v0.13.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking uninterruptible v0.1.0
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking shaman v0.1.0
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking problem v5.3.0
[INFO] [stderr]     Checking file-owner v0.1.0
[INFO] [stderr]     Checking cotton v0.0.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.70s
[INFO] running `Command { std: "docker" "inspect" "9494d487c70682c2695d1127d9612bff283685946a33f5513aa1d1b597ef0bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9494d487c70682c2695d1127d9612bff283685946a33f5513aa1d1b597ef0bb9", kill_on_drop: false }`
[INFO] [stdout] 9494d487c70682c2695d1127d9612bff283685946a33f5513aa1d1b597ef0bb9