[INFO] fetching crate dmenv 0.20.0...
[INFO] checking dmenv-0.20.0 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate dmenv 0.20.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate dmenv 0.20.0 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dmenv 0.20.0
[INFO] finished tweaking crates.io crate dmenv 0.20.0
[INFO] tweaked toml for crates.io crate dmenv 0.20.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate dmenv 0.20.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ignore v0.4.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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] 1ecd08f4cdf3065d21d773532d2158684f422cc69e0231c9b6cd6492e6432560
[INFO] running `Command { std: "docker" "start" "-a" "1ecd08f4cdf3065d21d773532d2158684f422cc69e0231c9b6cd6492e6432560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ecd08f4cdf3065d21d773532d2158684f422cc69e0231c9b6cd6492e6432560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ecd08f4cdf3065d21d773532d2158684f422cc69e0231c9b6cd6492e6432560", kill_on_drop: false }`
[INFO] [stdout] 1ecd08f4cdf3065d21d773532d2158684f422cc69e0231c9b6cd6492e6432560
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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] 745a2053342e25ebe5c3149aaef91fc91990250dc5c553849a882e67e7edf248
[INFO] running `Command { std: "docker" "start" "-a" "745a2053342e25ebe5c3149aaef91fc91990250dc5c553849a882e67e7edf248", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking ignore v0.4.10
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking which v2.0.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking dmenv v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.55s
[INFO] running `Command { std: "docker" "inspect" "745a2053342e25ebe5c3149aaef91fc91990250dc5c553849a882e67e7edf248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "745a2053342e25ebe5c3149aaef91fc91990250dc5c553849a882e67e7edf248", kill_on_drop: false }`
[INFO] [stdout] 745a2053342e25ebe5c3149aaef91fc91990250dc5c553849a882e67e7edf248