[INFO] cloning repository https://github.com/dunnock/ipc-bench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dunnock/ipc-bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdunnock%2Fipc-bench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdunnock%2Fipc-bench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 548a647f090a5adae3b448d7f3fd444eff12fa51
[INFO] checking dunnock/ipc-bench against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdunnock%2Fipc-bench" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dunnock/ipc-bench on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dunnock/ipc-bench
[INFO] finished tweaking git repo https://github.com/dunnock/ipc-bench
[INFO] tweaked toml for git repo https://github.com/dunnock/ipc-bench written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dunnock/ipc-bench 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_cpus v1.11.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.5
[INFO] [stderr]   Downloaded bincode v1.2.1
[INFO] [stderr]   Downloaded uuid v0.8.1
[INFO] [stderr]   Downloaded tinytemplate v1.0.2
[INFO] [stderr]   Downloaded ipc-channel v0.13.0
[INFO] [stderr]   Downloaded rand_xoshiro v0.3.1
[INFO] [stderr]   Downloaded anyhow v1.0.26
[INFO] [stderr]   Downloaded criterion-plot v0.4.0
[INFO] [stderr]   Downloaded unicode-width v0.1.7
[INFO] [stderr]   Downloaded regex-automata v0.1.8
[INFO] [stderr]   Downloaded csv-core v0.1.6
[INFO] [stderr]   Downloaded bstr v0.2.8
[INFO] [stderr]   Downloaded syn v1.0.11
[INFO] [stderr]   Downloaded num-traits v0.2.10
[INFO] [stderr]   Downloaded rand_os v0.2.2
[INFO] [stderr]   Downloaded csv v1.1.1
[INFO] [stderr]   Downloaded criterion v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eacaf93d6374934f292b60e449ab678f84531cd07118b274b4122e48634a1900
[INFO] running `Command { std: "docker" "start" "-a" "eacaf93d6374934f292b60e449ab678f84531cd07118b274b4122e48634a1900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eacaf93d6374934f292b60e449ab678f84531cd07118b274b4122e48634a1900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eacaf93d6374934f292b60e449ab678f84531cd07118b274b4122e48634a1900", kill_on_drop: false }`
[INFO] [stdout] eacaf93d6374934f292b60e449ab678f84531cd07118b274b4122e48634a1900
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b243947fc4d0287ae5788e11271efedc7f8d3f005da914dcd9f161d0e026db1
[INFO] running `Command { std: "docker" "start" "-a" "7b243947fc4d0287ae5788e11271efedc7f8d3f005da914dcd9f161d0e026db1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking serde_bytes v0.11.3
[INFO] [stderr]     Checking ipc-channel v0.13.0
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking ipc-bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stdout] warning: method `extract_data` is never used
[INFO] [stdout]   --> benches/ipc_channel_custom.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait MessageData: Clone + Into<Vec<u8>> + From<MsgTuple> + for<'de> Deserialize<'de> + Serialize  {
[INFO] [stdout]    |       ----------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn extract_data(self) -> Vec<u8>;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.73s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.0
[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" "7b243947fc4d0287ae5788e11271efedc7f8d3f005da914dcd9f161d0e026db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b243947fc4d0287ae5788e11271efedc7f8d3f005da914dcd9f161d0e026db1", kill_on_drop: false }`
[INFO] [stdout] 7b243947fc4d0287ae5788e11271efedc7f8d3f005da914dcd9f161d0e026db1