[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] 1ce9c0b47d006fe6ccf348d42ef60f021f51320b
[INFO] testing patrickelectric/bridges against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickelectric%2Fbridges" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/patrickelectric/bridges on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e338b1bbe70c720146891aee0edfeefebac473a92ad549844e483cac4d128b7
[INFO] running `Command { std: "docker" "start" "-a" "7e338b1bbe70c720146891aee0edfeefebac473a92ad549844e483cac4d128b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e338b1bbe70c720146891aee0edfeefebac473a92ad549844e483cac4d128b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e338b1bbe70c720146891aee0edfeefebac473a92ad549844e483cac4d128b7", kill_on_drop: false }`
[INFO] [stdout] 7e338b1bbe70c720146891aee0edfeefebac473a92ad549844e483cac4d128b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce6023b8120520ad15aa439a94d4b18da467af89dd6df542105826a02c7be641
[INFO] running `Command { std: "docker" "start" "-a" "ce6023b8120520ad15aa439a94d4b18da467af89dd6df542105826a02c7be641", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling clap_derive v3.1.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling clap v3.1.3
[INFO] [stderr]    Compiling hashbrown v0.12.0
[INFO] [stderr]    Compiling serialport v4.0.1
[INFO] [stderr]    Compiling bridges v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Link`
[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 is never used: `new`
[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 is never used: `output`
[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 is never used: `input`
[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 is never used: `bytes_in`
[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 is never used: `bytes_out`
[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 is never used: `bytes_total`
[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 8.99s
[INFO] running `Command { std: "docker" "inspect" "ce6023b8120520ad15aa439a94d4b18da467af89dd6df542105826a02c7be641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce6023b8120520ad15aa439a94d4b18da467af89dd6df542105826a02c7be641", kill_on_drop: false }`
[INFO] [stdout] ce6023b8120520ad15aa439a94d4b18da467af89dd6df542105826a02c7be641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dac285716bd80d36729b0b8d776da596e62fd3e2c06f1f10e059bd0667284fde
[INFO] running `Command { std: "docker" "start" "-a" "dac285716bd80d36729b0b8d776da596e62fd3e2c06f1f10e059bd0667284fde", kill_on_drop: false }`
[INFO] [stdout] warning: struct is never constructed: `Link`
[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 is never used: `new`
[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 is never used: `output`
[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 is never used: `input`
[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 is never used: `bytes_in`
[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] [stderr]    Compiling bridges v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `bytes_out`
[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 is never used: `bytes_total`
[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] [stdout] warning: struct is never constructed: `Link`
[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 is never used: `new`
[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 is never used: `output`
[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 is never used: `input`
[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 is never used: `bytes_in`
[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 is never used: `bytes_out`
[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 is never used: `bytes_total`
[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 test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "dac285716bd80d36729b0b8d776da596e62fd3e2c06f1f10e059bd0667284fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dac285716bd80d36729b0b8d776da596e62fd3e2c06f1f10e059bd0667284fde", kill_on_drop: false }`
[INFO] [stdout] dac285716bd80d36729b0b8d776da596e62fd3e2c06f1f10e059bd0667284fde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0d0ba0aa788dc06b84e6e66a3f46721c65a2d169438169fe579c8d596881167d
[INFO] running `Command { std: "docker" "start" "-a" "0d0ba0aa788dc06b84e6e66a3f46721c65a2d169438169fe579c8d596881167d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: struct is never constructed: `Link`
[INFO] [stderr]   --> src/link.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub struct Link<T: Linkable> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/link.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn new(link: T) -> Link<T> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `output`
[INFO] [stderr]   --> src/link.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn output(&mut self, buffer: &[u8]) -> io::Result<()> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `input`
[INFO] [stderr]   --> src/link.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn input(&mut self, buffer: &mut [u8]) -> io::Result<()> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `bytes_in`
[INFO] [stderr]   --> src/link.rs:68:12
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn bytes_in(&self) -> u64 {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `bytes_out`
[INFO] [stderr]   --> src/link.rs:73:12
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn bytes_out(&self) -> u64 {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `bytes_total`
[INFO] [stderr]   --> src/link.rs:78:12
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn bytes_total(&self) -> u64 {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `bridges` (lib) generated 7 warnings
[INFO] [stderr] warning: `bridges` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.29s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bridges-ca1c801f01cbabb0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bridges-b37ec991a55fa35b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bridges
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0d0ba0aa788dc06b84e6e66a3f46721c65a2d169438169fe579c8d596881167d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d0ba0aa788dc06b84e6e66a3f46721c65a2d169438169fe579c8d596881167d", kill_on_drop: false }`
[INFO] [stdout] 0d0ba0aa788dc06b84e6e66a3f46721c65a2d169438169fe579c8d596881167d