[INFO] cloning repository https://github.com/Keruspe/rsh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Keruspe/rsh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeruspe%2Frsh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeruspe%2Frsh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb41e18a00d8eefb88dccdb6db7ac1dfe3354686
[INFO] testing Keruspe/rsh against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeruspe%2Frsh" "/workspace/builds/worker-89/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-89/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Keruspe/rsh on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Keruspe/rsh
[INFO] finished tweaking git repo https://github.com/Keruspe/rsh
[INFO] tweaked toml for git repo https://github.com/Keruspe/rsh written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate git repo https://github.com/Keruspe/rsh already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3289ee186038018aabec3f9f70a083de070fc6fca1b2963620b9a62367754783
[INFO] running `Command { std: "docker" "start" "-a" "3289ee186038018aabec3f9f70a083de070fc6fca1b2963620b9a62367754783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3289ee186038018aabec3f9f70a083de070fc6fca1b2963620b9a62367754783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3289ee186038018aabec3f9f70a083de070fc6fca1b2963620b9a62367754783", kill_on_drop: false }`
[INFO] [stdout] 3289ee186038018aabec3f9f70a083de070fc6fca1b2963620b9a62367754783
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 871b9b0f21b3b02c9e6ac4040eddcc3e284f64980a0a08ad2b8b956ebb9e21c2
[INFO] running `Command { std: "docker" "start" "-a" "871b9b0f21b3b02c9e6ac4040eddcc3e284f64980a0a08ad2b8b956ebb9e21c2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling rsh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> src/ast.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) fn push(&mut self, node: Node) {
[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/context.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub(crate) fn new(parent: Option<Arc<Self>>) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.85s
[INFO] running `Command { std: "docker" "inspect" "871b9b0f21b3b02c9e6ac4040eddcc3e284f64980a0a08ad2b8b956ebb9e21c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "871b9b0f21b3b02c9e6ac4040eddcc3e284f64980a0a08ad2b8b956ebb9e21c2", kill_on_drop: false }`
[INFO] [stdout] 871b9b0f21b3b02c9e6ac4040eddcc3e284f64980a0a08ad2b8b956ebb9e21c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 303360da62b7c150501eed4df60b8a43353a85db7f719c37fa8c3fc0088000a8
[INFO] running `Command { std: "docker" "start" "-a" "303360da62b7c150501eed4df60b8a43353a85db7f719c37fa8c3fc0088000a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rsh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> src/ast.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) fn push(&mut self, node: Node) {
[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/context.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub(crate) fn new(parent: Option<Arc<Self>>) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "303360da62b7c150501eed4df60b8a43353a85db7f719c37fa8c3fc0088000a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "303360da62b7c150501eed4df60b8a43353a85db7f719c37fa8c3fc0088000a8", kill_on_drop: false }`
[INFO] [stdout] 303360da62b7c150501eed4df60b8a43353a85db7f719c37fa8c3fc0088000a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a80bd0f658b783bea410ab5e890d63fc966d5378965a026fc1ec20190f63e098
[INFO] running `Command { std: "docker" "start" "-a" "a80bd0f658b783bea410ab5e890d63fc966d5378965a026fc1ec20190f63e098", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `push`
[INFO] [stderr]   --> src/ast.rs:13:19
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub(crate) fn push(&mut self, node: Node) {
[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/context.rs:12:19
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub(crate) fn new(parent: Option<Arc<Self>>) -> Self {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rsh` (bin "rsh" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.91s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rsh-e44f85f5ba15d40a)
[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" "a80bd0f658b783bea410ab5e890d63fc966d5378965a026fc1ec20190f63e098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a80bd0f658b783bea410ab5e890d63fc966d5378965a026fc1ec20190f63e098", kill_on_drop: false }`
[INFO] [stdout] a80bd0f658b783bea410ab5e890d63fc966d5378965a026fc1ec20190f63e098