[INFO] fetching crate signpost 0.1.0...
[INFO] testing signpost-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate signpost 0.1.0 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate signpost 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signpost 0.1.0
[INFO] finished tweaking crates.io crate signpost 0.1.0
[INFO] tweaked toml for crates.io crate signpost 0.1.0 written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 581387c9de9f1539a60cab649f112469d74445d40da1707c49fcc7b37375ac54
[INFO] running `Command { std: "docker" "start" "-a" "581387c9de9f1539a60cab649f112469d74445d40da1707c49fcc7b37375ac54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "581387c9de9f1539a60cab649f112469d74445d40da1707c49fcc7b37375ac54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581387c9de9f1539a60cab649f112469d74445d40da1707c49fcc7b37375ac54", kill_on_drop: false }`
[INFO] [stdout] 581387c9de9f1539a60cab649f112469d74445d40da1707c49fcc7b37375ac54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b95a0eebfcf5565e8b6775d1315afd53e6c5d6efcb5c8f4f93a5f5f291878a4
[INFO] running `Command { std: "docker" "start" "-a" "9b95a0eebfcf5565e8b6775d1315afd53e6c5d6efcb5c8f4f93a5f5f291878a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling signpost v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/lib.rs:73:14
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/lib.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/lib.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/lib.rs:75:23
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/lib.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/lib.rs:77:25
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "9b95a0eebfcf5565e8b6775d1315afd53e6c5d6efcb5c8f4f93a5f5f291878a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b95a0eebfcf5565e8b6775d1315afd53e6c5d6efcb5c8f4f93a5f5f291878a4", kill_on_drop: false }`
[INFO] [stdout] 9b95a0eebfcf5565e8b6775d1315afd53e6c5d6efcb5c8f4f93a5f5f291878a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7cd6c263890f60d77cbed1dc998945faa5ab0b586d766b9e9c74b701eadceb0
[INFO] running `Command { std: "docker" "start" "-a" "e7cd6c263890f60d77cbed1dc998945faa5ab0b586d766b9e9c74b701eadceb0", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/lib.rs:73:14
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/lib.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/lib.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/lib.rs:75:23
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/lib.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/lib.rs:77:25
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling signpost v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/lib.rs:73:14
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/lib.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/lib.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/lib.rs:75:23
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/lib.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/lib.rs:77:25
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "e7cd6c263890f60d77cbed1dc998945faa5ab0b586d766b9e9c74b701eadceb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7cd6c263890f60d77cbed1dc998945faa5ab0b586d766b9e9c74b701eadceb0", kill_on_drop: false }`
[INFO] [stdout] e7cd6c263890f60d77cbed1dc998945faa5ab0b586d766b9e9c74b701eadceb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39f64ffb9f9b8c12649937279b926ca55df321b67ffaa9ec1d064e832bda6798
[INFO] running `Command { std: "docker" "start" "-a" "39f64ffb9f9b8c12649937279b926ca55df321b67ffaa9ec1d064e832bda6798", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stdout] 
[INFO] [stderr]   --> src/lib.rs:73:14
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:73:25
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/lib.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:75:23
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/lib.rs:77:14
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:77:25
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: `signpost` (lib) generated 6 warnings
[INFO] [stderr] warning: `signpost` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/signpost-493f4d3084d83711)
[INFO] [stderr]    Doc-tests signpost
[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" "39f64ffb9f9b8c12649937279b926ca55df321b67ffaa9ec1d064e832bda6798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f64ffb9f9b8c12649937279b926ca55df321b67ffaa9ec1d064e832bda6798", kill_on_drop: false }`
[INFO] [stdout] 39f64ffb9f9b8c12649937279b926ca55df321b67ffaa9ec1d064e832bda6798