[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] building cbrune/rust-ex against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbrune%2Frust-ex" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cbrune/rust-ex on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cc0d8bb5f2d0ec03ee83e5fe6596c4643551847915a0b43233a053aaf101ddc
[INFO] running `Command { std: "docker" "start" "-a" "5cc0d8bb5f2d0ec03ee83e5fe6596c4643551847915a0b43233a053aaf101ddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cc0d8bb5f2d0ec03ee83e5fe6596c4643551847915a0b43233a053aaf101ddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cc0d8bb5f2d0ec03ee83e5fe6596c4643551847915a0b43233a053aaf101ddc", kill_on_drop: false }`
[INFO] [stdout] 5cc0d8bb5f2d0ec03ee83e5fe6596c4643551847915a0b43233a053aaf101ddc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b0bf17a5d3622e938817545bc99b0a6cb5b85e3926dddd68ac94cbe8a576350
[INFO] running `Command { std: "docker" "start" "-a" "3b0bf17a5d3622e938817545bc99b0a6cb5b85e3926dddd68ac94cbe8a576350", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.60
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling pnet_base v0.28.0
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling futures-sink v0.3.18
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.18
[INFO] [stderr]    Compiling pnet_macros_support v0.28.0
[INFO] [stderr]    Compiling pnet_sys v0.28.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling ipnetwork v0.18.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling pnet v0.28.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling pnet_datalink v0.28.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling stack-ex v0.1.0 (/opt/rustwide/workdir/stack-ex)
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling pnet_macros v0.28.0
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling clap_derive v3.2.15
[INFO] [stderr]    Compiling pnet_packet v0.28.0
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling clap v3.2.16
[INFO] [stderr]    Compiling alsa v0.6.0
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling dyn-ex v0.1.0 (/opt/rustwide/workdir/dyn-ex)
[INFO] [stderr]    Compiling futures-executor v0.3.18
[INFO] [stderr]    Compiling pnet_transport v0.28.0
[INFO] [stderr]    Compiling futures v0.3.18
[INFO] [stderr]    Compiling tower v0.4.11
[INFO] [stderr]    Compiling future-ex v0.1.0 (/opt/rustwide/workdir/future-ex)
[INFO] [stderr]    Compiling tower-ex v0.1.0 (/opt/rustwide/workdir/tower-ex)
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir/sudoku)
[INFO] [stderr]    Compiling ispgwd v0.1.0 (/opt/rustwide/workdir/ispgwd)
[INFO] [stderr]    Compiling pcm-play v0.1.0 (/opt/rustwide/workdir/pcm-play)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 47s
[INFO] running `Command { std: "docker" "inspect" "3b0bf17a5d3622e938817545bc99b0a6cb5b85e3926dddd68ac94cbe8a576350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b0bf17a5d3622e938817545bc99b0a6cb5b85e3926dddd68ac94cbe8a576350", kill_on_drop: false }`
[INFO] [stdout] 3b0bf17a5d3622e938817545bc99b0a6cb5b85e3926dddd68ac94cbe8a576350
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1add1548c549e3000955ebd533bbfd79df3f7b4113dde5be5496f169c80d8a2d
[INFO] running `Command { std: "docker" "start" "-a" "1add1548c549e3000955ebd533bbfd79df3f7b4113dde5be5496f169c80d8a2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling future-ex v0.1.0 (/opt/rustwide/workdir/future-ex)
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir/sudoku)
[INFO] [stderr]    Compiling ispgwd v0.1.0 (/opt/rustwide/workdir/ispgwd)
[INFO] [stderr]    Compiling dyn-ex v0.1.0 (/opt/rustwide/workdir/dyn-ex)
[INFO] [stderr]    Compiling pcm-play v0.1.0 (/opt/rustwide/workdir/pcm-play)
[INFO] [stderr]    Compiling tower-ex v0.1.0 (/opt/rustwide/workdir/tower-ex)
[INFO] [stderr]    Compiling stack-ex v0.1.0 (/opt/rustwide/workdir/stack-ex)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.15s
[INFO] running `Command { std: "docker" "inspect" "1add1548c549e3000955ebd533bbfd79df3f7b4113dde5be5496f169c80d8a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1add1548c549e3000955ebd533bbfd79df3f7b4113dde5be5496f169c80d8a2d", kill_on_drop: false }`
[INFO] [stdout] 1add1548c549e3000955ebd533bbfd79df3f7b4113dde5be5496f169c80d8a2d