[INFO] cloning repository https://github.com/17cupsofcoffee/ein
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/17cupsofcoffee/ein" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F17cupsofcoffee%2Fein", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F17cupsofcoffee%2Fein'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 616961cca71917ef7ea5045be88f8f354c6b4614
[INFO] checking 17cupsofcoffee/ein against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F17cupsofcoffee%2Fein" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/17cupsofcoffee/ein on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/17cupsofcoffee/ein
[INFO] finished tweaking git repo https://github.com/17cupsofcoffee/ein
[INFO] tweaked toml for git repo https://github.com/17cupsofcoffee/ein written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/17cupsofcoffee/ein already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] 064bc3109ac294656c6ddc516c1bbff4b6dd668643d72295c070c7b2b2f50679
[INFO] running `Command { std: "docker" "start" "-a" "064bc3109ac294656c6ddc516c1bbff4b6dd668643d72295c070c7b2b2f50679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "064bc3109ac294656c6ddc516c1bbff4b6dd668643d72295c070c7b2b2f50679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "064bc3109ac294656c6ddc516c1bbff4b6dd668643d72295c070c7b2b2f50679", kill_on_drop: false }`
[INFO] [stdout] 064bc3109ac294656c6ddc516c1bbff4b6dd668643d72295c070c7b2b2f50679
[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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] 8674cd177c6929371aca391b10ee243a44bfe1d4f779cbe7ece96384867eea74
[INFO] running `Command { std: "docker" "start" "-a" "8674cd177c6929371aca391b10ee243a44bfe1d4f779cbe7ece96384867eea74", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling lalrpop-util v0.19.0
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking rustyline v6.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling lalrpop v0.19.0
[INFO] [stderr]    Compiling ein_syntax v0.1.0 (/opt/rustwide/workdir/ein_syntax)
[INFO] [stderr]     Checking ein_vm v0.1.0 (/opt/rustwide/workdir/ein_vm)
[INFO] [stderr]     Checking ein v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "8674cd177c6929371aca391b10ee243a44bfe1d4f779cbe7ece96384867eea74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8674cd177c6929371aca391b10ee243a44bfe1d4f779cbe7ece96384867eea74", kill_on_drop: false }`
[INFO] [stdout] 8674cd177c6929371aca391b10ee243a44bfe1d4f779cbe7ece96384867eea74