[INFO] cloning repository https://github.com/beji/list2choice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/beji/list2choice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeji%2Flist2choice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeji%2Flist2choice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07a26d3b82e6df3f1218b05da9c4a5ebec8e1a58
[INFO] checking beji/list2choice against master#8c6ce6b91b172f77c795a74bfeaf74b865146b3f for pr-101345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeji%2Flist2choice" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/beji/list2choice on toolchain 8c6ce6b91b172f77c795a74bfeaf74b865146b3f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/beji/list2choice
[INFO] finished tweaking git repo https://github.com/beji/list2choice
[INFO] tweaked toml for git repo https://github.com/beji/list2choice written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/beji/list2choice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded owning_ref v0.4.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.8
[INFO] [stderr]   Downloaded cursive v0.18.0
[INFO] [stderr]   Downloaded enum-map-derive v0.8.0
[INFO] [stderr]   Downloaded enum-map v2.1.0
[INFO] [stderr]   Downloaded static_init v1.0.2
[INFO] [stderr]   Downloaded enumset_derive v0.6.0
[INFO] [stderr]   Downloaded num_threads v0.1.5
[INFO] [stderr]   Downloaded term_size v0.3.2
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.4
[INFO] [stderr]   Downloaded num-iter v0.1.43
[INFO] [stderr]   Downloaded rayon-core v1.9.2
[INFO] [stderr]   Downloaded rayon v1.5.2
[INFO] [stderr]   Downloaded syn v1.0.92
[INFO] [stderr]   Downloaded ncurses v5.101.0
[INFO] [stderr]   Downloaded static_init_macro v1.0.2
[INFO] [stderr]   Downloaded cursive_core v0.3.2
[INFO] [stderr]   Downloaded enumset v1.0.11
[INFO] [stderr]   Downloaded num-complex v0.4.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 010b09b19d9b62373c5f55dc51f611f8324632b2f5a66e46b78aef49bcb8923c
[INFO] running `Command { std: "docker" "start" "-a" "010b09b19d9b62373c5f55dc51f611f8324632b2f5a66e46b78aef49bcb8923c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "010b09b19d9b62373c5f55dc51f611f8324632b2f5a66e46b78aef49bcb8923c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "010b09b19d9b62373c5f55dc51f611f8324632b2f5a66e46b78aef49bcb8923c", kill_on_drop: false }`
[INFO] [stdout] 010b09b19d9b62373c5f55dc51f611f8324632b2f5a66e46b78aef49bcb8923c
[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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e2fa86c65fb9ad751808dfce506f670960f6694c9963fadc46c46fb1d5c0295
[INFO] running `Command { std: "docker" "start" "-a" "1e2fa86c65fb9ad751808dfce506f670960f6694c9963fadc46c46fb1d5c0295", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking num_threads v0.1.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling static_init_macro v1.0.2
[INFO] [stderr]    Compiling static_init v1.0.2
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling enum-map-derive v0.8.0
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking enum-map v2.1.0
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling enumset_derive v0.6.0
[INFO] [stderr]     Checking enumset v1.0.11
[INFO] [stderr]     Checking cursive_core v0.3.2
[INFO] [stderr]     Checking cursive v0.18.0
[INFO] [stderr]     Checking list2choice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.10s
[INFO] running `Command { std: "docker" "inspect" "1e2fa86c65fb9ad751808dfce506f670960f6694c9963fadc46c46fb1d5c0295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e2fa86c65fb9ad751808dfce506f670960f6694c9963fadc46c46fb1d5c0295", kill_on_drop: false }`
[INFO] [stdout] 1e2fa86c65fb9ad751808dfce506f670960f6694c9963fadc46c46fb1d5c0295