[INFO] cloning repository https://github.com/Malmz/chatter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Malmz/chatter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalmz%2Fchatter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalmz%2Fchatter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9508b789aa97ab3e40f521c8dd67000742682a2
[INFO] testing Malmz/chatter against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalmz%2Fchatter" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Malmz/chatter on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Malmz/chatter
[INFO] finished tweaking git repo https://github.com/Malmz/chatter
[INFO] tweaked toml for git repo https://github.com/Malmz/chatter written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Malmz/chatter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ac81870e695f6b720266b26a37fa1b7f2b0245346e8b22314b8888ebc89bcd8
[INFO] running `Command { std: "docker" "start" "-a" "3ac81870e695f6b720266b26a37fa1b7f2b0245346e8b22314b8888ebc89bcd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ac81870e695f6b720266b26a37fa1b7f2b0245346e8b22314b8888ebc89bcd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac81870e695f6b720266b26a37fa1b7f2b0245346e8b22314b8888ebc89bcd8", kill_on_drop: false }`
[INFO] [stdout] 3ac81870e695f6b720266b26a37fa1b7f2b0245346e8b22314b8888ebc89bcd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a4af7d6d0a6fd1f5d8aaee61cd3f34cad57a68be72d88eeddd7c84dc9ef4c02
[INFO] running `Command { std: "docker" "start" "-a" "4a4af7d6d0a6fd1f5d8aaee61cd3f34cad57a68be72d88eeddd7c84dc9ef4c02", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling logos v0.11.4
[INFO] [stderr]    Compiling chatter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/parser.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn peek(&self) -> Result<Spanned<Token>> {
[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/span.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(start: usize, end: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lhs`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     lhs: Number,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `op`
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     op: Op,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rhs`
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     rhs: Number,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.07s
[INFO] running `Command { std: "docker" "inspect" "4a4af7d6d0a6fd1f5d8aaee61cd3f34cad57a68be72d88eeddd7c84dc9ef4c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4af7d6d0a6fd1f5d8aaee61cd3f34cad57a68be72d88eeddd7c84dc9ef4c02", kill_on_drop: false }`
[INFO] [stdout] 4a4af7d6d0a6fd1f5d8aaee61cd3f34cad57a68be72d88eeddd7c84dc9ef4c02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0516e3ebd50d91de64dc96474d0ef30597b4937aacc8f5095ab7f2cfeee2676
[INFO] running `Command { std: "docker" "start" "-a" "c0516e3ebd50d91de64dc96474d0ef30597b4937aacc8f5095ab7f2cfeee2676", kill_on_drop: false }`
[INFO] [stderr]    Compiling chatter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/parser.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn peek(&self) -> Result<Spanned<Token>> {
[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/span.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(start: usize, end: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lhs`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     lhs: Number,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `op`
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     op: Op,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rhs`
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     rhs: Number,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "c0516e3ebd50d91de64dc96474d0ef30597b4937aacc8f5095ab7f2cfeee2676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0516e3ebd50d91de64dc96474d0ef30597b4937aacc8f5095ab7f2cfeee2676", kill_on_drop: false }`
[INFO] [stdout] c0516e3ebd50d91de64dc96474d0ef30597b4937aacc8f5095ab7f2cfeee2676
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4261610a721a7dd31cb45af4d2a5728d29efc4c432a98a170c9b901d15e4aefa
[INFO] running `Command { std: "docker" "start" "-a" "4261610a721a7dd31cb45af4d2a5728d29efc4c432a98a170c9b901d15e4aefa", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `peek`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/parser.rs:25:12
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 25 |     pub fn peek(&self) -> Result<Spanned<Token>> {
[INFO] [stdout] 
[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/span.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(start: usize, end: usize) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `lhs`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     lhs: Number,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `op`
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     op: Op,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `rhs`
[INFO] [stderr]   --> src/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     rhs: Number,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chatter-29a1ff4787f9c810)
[INFO] running `Command { std: "docker" "inspect" "4261610a721a7dd31cb45af4d2a5728d29efc4c432a98a170c9b901d15e4aefa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4261610a721a7dd31cb45af4d2a5728d29efc4c432a98a170c9b901d15e4aefa", kill_on_drop: false }`
[INFO] [stdout] 4261610a721a7dd31cb45af4d2a5728d29efc4c432a98a170c9b901d15e4aefa