[INFO] cloning repository https://github.com/cbrune/rust-ex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cbrune/rust-ex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbrune%2Frust-ex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbrune%2Frust-ex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1b71988098c40470079cc0f3ea57f43437cef70
[INFO] checking cbrune/rust-ex against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbrune%2Frust-ex" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cbrune/rust-ex
[INFO] finished tweaking git repo https://github.com/cbrune/rust-ex
[INFO] tweaked toml for git repo https://github.com/cbrune/rust-ex written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cbrune/rust-ex on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cbrune/rust-ex 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.3.25
[INFO] [stderr]   Downloaded tokio-macros v1.6.0
[INFO] [stderr]   Downloaded anyhow v1.0.60
[INFO] [stderr]   Downloaded serde_yaml v0.8.21
[INFO] [stderr]   Downloaded libc v0.2.109
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7bac028dc8a4303e5b018670a959a95faf0fc60d249f040ed688606b78698f6
[INFO] running `Command { std: "docker" "start" "-a" "f7bac028dc8a4303e5b018670a959a95faf0fc60d249f040ed688606b78698f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7bac028dc8a4303e5b018670a959a95faf0fc60d249f040ed688606b78698f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7bac028dc8a4303e5b018670a959a95faf0fc60d249f040ed688606b78698f6", kill_on_drop: false }`
[INFO] [stdout] f7bac028dc8a4303e5b018670a959a95faf0fc60d249f040ed688606b78698f6
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 501dbc73b60e8b0e3a2e5670d2ec40e566053f10a501d4c0f21fcf8f490ae8fd
[INFO] running `Command { std: "docker" "start" "-a" "501dbc73b60e8b0e3a2e5670d2ec40e566053f10a501d4c0f21fcf8f490ae8fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling anyhow v1.0.60
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking pnet_base v0.28.0
[INFO] [stderr]     Checking futures-channel v0.3.18
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking pnet_macros_support v0.28.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling pnet v0.28.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]     Checking dyn-ex v0.1.0 (/opt/rustwide/workdir/dyn-ex)
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking stack-ex v0.1.0 (/opt/rustwide/workdir/stack-ex)
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]    Compiling clap_derive v3.2.15
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking futures-util v0.3.18
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking pnet_sys v0.28.0
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking clap v3.2.16
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking serde_json v1.0.72
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking ipnetwork v0.18.0
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]    Compiling pnet_macros v0.28.0
[INFO] [stderr]     Checking pnet_datalink v0.28.0
[INFO] [stderr]     Checking alsa v0.6.0
[INFO] [stderr]     Checking futures-executor v0.3.18
[INFO] [stderr]     Checking futures v0.3.18
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking pnet_packet v0.28.0
[INFO] [stderr]     Checking tower v0.4.11
[INFO] [stderr]     Checking tower-ex v0.1.0 (/opt/rustwide/workdir/tower-ex)
[INFO] [stderr]     Checking pcm-play v0.1.0 (/opt/rustwide/workdir/pcm-play)
[INFO] [stderr]     Checking sudoku v0.1.0 (/opt/rustwide/workdir/sudoku)
[INFO] [stderr]     Checking future-ex v0.1.0 (/opt/rustwide/workdir/future-ex)
[INFO] [stderr]     Checking pnet_transport v0.28.0
[INFO] [stderr]     Checking ispgwd v0.1.0 (/opt/rustwide/workdir/ispgwd)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.51s
[INFO] running `Command { std: "docker" "inspect" "501dbc73b60e8b0e3a2e5670d2ec40e566053f10a501d4c0f21fcf8f490ae8fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501dbc73b60e8b0e3a2e5670d2ec40e566053f10a501d4c0f21fcf8f490ae8fd", kill_on_drop: false }`
[INFO] [stdout] 501dbc73b60e8b0e3a2e5670d2ec40e566053f10a501d4c0f21fcf8f490ae8fd