[INFO] cloning repository https://github.com/rsmantini/pipe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rsmantini/pipe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsmantini%2Fpipe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsmantini%2Fpipe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b622ec078e06d021507e05b7e19d79522b4a6fc8
[INFO] checking rsmantini/pipe against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsmantini%2Fpipe" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rsmantini/pipe
[INFO] finished tweaking git repo https://github.com/rsmantini/pipe
[INFO] tweaked toml for git repo https://github.com/rsmantini/pipe written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rsmantini/pipe on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rsmantini/pipe 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 386b5fed7b1969d97e89cbd0b8c968ae2dd8e42b1480897457c2a56eea65eda0
[INFO] running `Command { std: "docker" "start" "-a" "386b5fed7b1969d97e89cbd0b8c968ae2dd8e42b1480897457c2a56eea65eda0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "386b5fed7b1969d97e89cbd0b8c968ae2dd8e42b1480897457c2a56eea65eda0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "386b5fed7b1969d97e89cbd0b8c968ae2dd8e42b1480897457c2a56eea65eda0", kill_on_drop: false }`
[INFO] [stdout] 386b5fed7b1969d97e89cbd0b8c968ae2dd8e42b1480897457c2a56eea65eda0
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5ac66fa4be5bb9842e91fd75f04e1ea886093030c02aa6dd9174eb16f6faafd
[INFO] running `Command { std: "docker" "start" "-a" "b5ac66fa4be5bb9842e91fd75f04e1ea886093030c02aa6dd9174eb16f6faafd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.24.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking pipe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `io_slice_advance` has been stable since 1.81.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/bin/read.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(io_slice_advance)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `io_slice_advance` has been stable since 1.81.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/bin/read.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(io_slice_advance)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `io_safety` has been stable since 1.63.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/bin/write.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(io_safety, io_slice_advance)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `io_slice_advance` has been stable since 1.81.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/bin/write.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(io_safety, io_slice_advance)]
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `io_safety` has been stable since 1.63.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/bin/write.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(io_safety, io_slice_advance)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `io_slice_advance` has been stable since 1.81.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/bin/write.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(io_safety, io_slice_advance)]
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.39s
[INFO] running `Command { std: "docker" "inspect" "b5ac66fa4be5bb9842e91fd75f04e1ea886093030c02aa6dd9174eb16f6faafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ac66fa4be5bb9842e91fd75f04e1ea886093030c02aa6dd9174eb16f6faafd", kill_on_drop: false }`
[INFO] [stdout] b5ac66fa4be5bb9842e91fd75f04e1ea886093030c02aa6dd9174eb16f6faafd