[INFO] fetching crate piss 0.1.2...
[INFO] checking piss-0.1.2 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate piss 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate piss 0.1.2 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piss 0.1.2
[INFO] finished tweaking crates.io crate piss 0.1.2
[INFO] tweaked toml for crates.io crate piss 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate piss 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.5
[INFO] [stderr]   Downloaded tiff v0.4.0
[INFO] [stderr]   Downloaded structopt v0.3.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 58f89fa24de762c8fc32fb0d7907b15740c6cfa6cbc574e084dd1e09eaf8382f
[INFO] running `Command { std: "docker" "start" "-a" "58f89fa24de762c8fc32fb0d7907b15740c6cfa6cbc574e084dd1e09eaf8382f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58f89fa24de762c8fc32fb0d7907b15740c6cfa6cbc574e084dd1e09eaf8382f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58f89fa24de762c8fc32fb0d7907b15740c6cfa6cbc574e084dd1e09eaf8382f", kill_on_drop: false }`
[INFO] [stdout] 58f89fa24de762c8fc32fb0d7907b15740c6cfa6cbc574e084dd1e09eaf8382f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 685f01c2ae0af24e991535f499ef25a7490b947c8fa611b6c7a40242043551da
[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" "685f01c2ae0af24e991535f499ef25a7490b947c8fa611b6c7a40242043551da", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking image v0.23.0
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking piss v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.42s
[INFO] running `Command { std: "docker" "inspect" "685f01c2ae0af24e991535f499ef25a7490b947c8fa611b6c7a40242043551da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "685f01c2ae0af24e991535f499ef25a7490b947c8fa611b6c7a40242043551da", kill_on_drop: false }`
[INFO] [stdout] 685f01c2ae0af24e991535f499ef25a7490b947c8fa611b6c7a40242043551da