[INFO] cloning repository https://github.com/coszio/little_duck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coszio/little_duck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoszio%2Flittle_duck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoszio%2Flittle_duck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d59201f4a4f7719b93f8dccd7d643daf615dae8
[INFO] checking coszio/little_duck against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoszio%2Flittle_duck" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coszio/little_duck on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/coszio/little_duck
[INFO] finished tweaking git repo https://github.com/coszio/little_duck
[INFO] tweaked toml for git repo https://github.com/coszio/little_duck written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/coszio/little_duck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a6b884ecb4b1ce63661273c13a63bfc7afb445a554e2339c6651e069caa13d1
[INFO] running `Command { std: "docker" "start" "-a" "1a6b884ecb4b1ce63661273c13a63bfc7afb445a554e2339c6651e069caa13d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a6b884ecb4b1ce63661273c13a63bfc7afb445a554e2339c6651e069caa13d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a6b884ecb4b1ce63661273c13a63bfc7afb445a554e2339c6651e069caa13d1", kill_on_drop: false }`
[INFO] [stdout] 1a6b884ecb4b1ce63661273c13a63bfc7afb445a554e2339c6651e069caa13d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5016e9bcfbe161eb9feb7994118c719d68979e76f61e31579c29ebd0f1a73ea7
[INFO] running `Command { std: "docker" "start" "-a" "5016e9bcfbe161eb9feb7994118c719d68979e76f61e31579c29ebd0f1a73ea7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling string_cache v0.8.3
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling lalrpop-util v0.19.7
[INFO] [stderr]    Compiling lalrpop v0.19.7
[INFO] [stderr]    Compiling little_duck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.42s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "5016e9bcfbe161eb9feb7994118c719d68979e76f61e31579c29ebd0f1a73ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5016e9bcfbe161eb9feb7994118c719d68979e76f61e31579c29ebd0f1a73ea7", kill_on_drop: false }`
[INFO] [stdout] 5016e9bcfbe161eb9feb7994118c719d68979e76f61e31579c29ebd0f1a73ea7