[INFO] fetching crate ergo 0.0.5...
[INFO] checking ergo-0.0.5 against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] extracting crate ergo 0.0.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ergo 0.0.5 on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ergo 0.0.5
[INFO] finished tweaking crates.io crate ergo 0.0.5
[INFO] tweaked toml for crates.io crate ergo 0.0.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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] 3c7beac2fbae15c10207d773b93c06e08db710a01473a55aab50a1e4f0ad5ec0
[INFO] running `Command { std: "docker" "start" "-a" "3c7beac2fbae15c10207d773b93c06e08db710a01473a55aab50a1e4f0ad5ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c7beac2fbae15c10207d773b93c06e08db710a01473a55aab50a1e4f0ad5ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c7beac2fbae15c10207d773b93c06e08db710a01473a55aab50a1e4f0ad5ec0", kill_on_drop: false }`
[INFO] [stdout] 3c7beac2fbae15c10207d773b93c06e08db710a01473a55aab50a1e4f0ad5ec0
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 929d7f4972cedcf726312c5e68074000c8dd9fe7d11ebd4856e7f4e01ae1deca
[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" "929d7f4972cedcf726312c5e68074000c8dd9fe7d11ebd4856e7f4e01ae1deca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling erased-serde v0.3.15
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking taken v0.1.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking stfu8 v0.2.4
[INFO] [stderr]    Compiling configure_derive v0.1.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking tar v0.4.35
[INFO] [stderr]     Checking shellexpand v1.1.1
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking crossbeam-channel v0.1.3
[INFO] [stderr]     Checking ergo_sync v0.1.0
[INFO] [stderr]     Checking ctrlc v3.1.9
[INFO] [stderr]     Checking ergo_sys v0.0.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking path_abs v0.4.1
[INFO] [stderr]     Checking ron v0.1.7
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking ergo_fs v0.2.0
[INFO] [stderr]     Checking ergo_std v0.0.3
[INFO] [stderr]     Checking configure v0.1.1
[INFO] [stderr]     Checking ergo_config v0.0.1
[INFO] [stderr]     Checking ergo v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.69s
[INFO] running `Command { std: "docker" "inspect" "929d7f4972cedcf726312c5e68074000c8dd9fe7d11ebd4856e7f4e01ae1deca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "929d7f4972cedcf726312c5e68074000c8dd9fe7d11ebd4856e7f4e01ae1deca", kill_on_drop: false }`
[INFO] [stdout] 929d7f4972cedcf726312c5e68074000c8dd9fe7d11ebd4856e7f4e01ae1deca