[INFO] cloning repository https://github.com/patrickelectric/bridges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/patrickelectric/bridges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickelectric%2Fbridges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickelectric%2Fbridges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b38dec04b6329d4225fe1fa28e2a36dd7cd88bba
[INFO] testing patrickelectric/bridges against try#613d1972a772987ed4ee06faccbab0e2fc839871+rustflags=-Copt-level=3 for pr-107051
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickelectric%2Fbridges" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/patrickelectric/bridges on toolchain 613d1972a772987ed4ee06faccbab0e2fc839871
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/patrickelectric/bridges
[INFO] finished tweaking git repo https://github.com/patrickelectric/bridges
[INFO] tweaked toml for git repo https://github.com/patrickelectric/bridges written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42b7f843b69ab59f5d3d3351cf884a0a47042246d54d660373cf7908343c69ce
[INFO] running `Command { std: "docker" "start" "-a" "42b7f843b69ab59f5d3d3351cf884a0a47042246d54d660373cf7908343c69ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42b7f843b69ab59f5d3d3351cf884a0a47042246d54d660373cf7908343c69ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b7f843b69ab59f5d3d3351cf884a0a47042246d54d660373cf7908343c69ce", kill_on_drop: false }`
[INFO] [stdout] 42b7f843b69ab59f5d3d3351cf884a0a47042246d54d660373cf7908343c69ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33fda235e998d973810d69ce1423fa409945fe9cda4242c537a29ff5178e5b2c
[INFO] running `Command { std: "docker" "start" "-a" "33fda235e998d973810d69ce1423fa409945fe9cda4242c537a29ff5178e5b2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling libudev v0.3.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling serialport v4.2.0
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]    Compiling clap v3.2.23
[INFO] [stderr]    Compiling bridges v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Link` is never constructed
[INFO] [stdout]   --> src/link.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Link<T: Linkable> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/link.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new(link: T) -> Link<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `output` is never used
[INFO] [stdout]   --> src/link.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn output(&mut self, buffer: &[u8]) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `input` is never used
[INFO] [stdout]   --> src/link.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn input(&mut self, buffer: &mut [u8]) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `bytes_in` is never used
[INFO] [stdout]   --> src/link.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn bytes_in(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `bytes_out` is never used
[INFO] [stdout]   --> src/link.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn bytes_out(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `bytes_total` is never used
[INFO] [stdout]   --> src/link.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn bytes_total(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "33fda235e998d973810d69ce1423fa409945fe9cda4242c537a29ff5178e5b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33fda235e998d973810d69ce1423fa409945fe9cda4242c537a29ff5178e5b2c", kill_on_drop: false }`
[INFO] [stdout] 33fda235e998d973810d69ce1423fa409945fe9cda4242c537a29ff5178e5b2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3404f2da75ecdacc9d8aa654436fc5b143bf8e625c7eb8b0beab090d1527d2bf
[INFO] running `Command { std: "docker" "start" "-a" "3404f2da75ecdacc9d8aa654436fc5b143bf8e625c7eb8b0beab090d1527d2bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "3404f2da75ecdacc9d8aa654436fc5b143bf8e625c7eb8b0beab090d1527d2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3404f2da75ecdacc9d8aa654436fc5b143bf8e625c7eb8b0beab090d1527d2bf", kill_on_drop: false }`
[INFO] [stdout] 3404f2da75ecdacc9d8aa654436fc5b143bf8e625c7eb8b0beab090d1527d2bf