[INFO] cloning repository https://github.com/AlexanderDJackson/math
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexanderDJackson/math" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderDJackson%2Fmath", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderDJackson%2Fmath'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40e3516152d010836948b64321460d6291ead1d8
[INFO] testing AlexanderDJackson/math against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderDJackson%2Fmath" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AlexanderDJackson/math
[INFO] finished tweaking git repo https://github.com/AlexanderDJackson/math
[INFO] tweaked toml for git repo https://github.com/AlexanderDJackson/math written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlexanderDJackson/math on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AlexanderDJackson/math already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcf3d5174864cc057fe58d37a97250985b8a5c5e649b1a8c5d8e4a58b02b6fa5
[INFO] running `Command { std: "docker" "start" "-a" "bcf3d5174864cc057fe58d37a97250985b8a5c5e649b1a8c5d8e4a58b02b6fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcf3d5174864cc057fe58d37a97250985b8a5c5e649b1a8c5d8e4a58b02b6fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf3d5174864cc057fe58d37a97250985b8a5c5e649b1a8c5d8e4a58b02b6fa5", kill_on_drop: false }`
[INFO] [stdout] bcf3d5174864cc057fe58d37a97250985b8a5c5e649b1a8c5d8e4a58b02b6fa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd8f8916aeb4a24405e63f0baa0d91a9c57ebb174d9a00f45610eac7c9687a3a
[INFO] running `Command { std: "docker" "start" "-a" "cd8f8916aeb4a24405e63f0baa0d91a9c57ebb174d9a00f45610eac7c9687a3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]  --> src/expr.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn tokenize(s: &str) -> Result<Vec<Token>, String> {
[INFO] [stdout]   |                    ^^^^                ----- the lifetime gets resolved as `'_`
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    this lifetime flows to the output
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn tokenize(s: &str) -> Result<Vec<Token<'_>>, String> {
[INFO] [stdout]   |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/expr.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn coerce(s: &str) -> Token { 
[INFO] [stdout]    |                  ^^^^     ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn coerce(s: &str) -> Token<'_> { 
[INFO] [stdout]    |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "cd8f8916aeb4a24405e63f0baa0d91a9c57ebb174d9a00f45610eac7c9687a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd8f8916aeb4a24405e63f0baa0d91a9c57ebb174d9a00f45610eac7c9687a3a", kill_on_drop: false }`
[INFO] [stdout] cd8f8916aeb4a24405e63f0baa0d91a9c57ebb174d9a00f45610eac7c9687a3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 537ce7c7d116291c9a1ea191c81c4d44d9101fbf8b024201c6c726b03576540b
[INFO] running `Command { std: "docker" "start" "-a" "537ce7c7d116291c9a1ea191c81c4d44d9101fbf8b024201c6c726b03576540b", kill_on_drop: false }`
[INFO] [stderr]    Compiling math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]  --> src/expr.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn tokenize(s: &str) -> Result<Vec<Token>, String> {
[INFO] [stdout]   |                    ^^^^                ----- the lifetime gets resolved as `'_`
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    this lifetime flows to the output
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn tokenize(s: &str) -> Result<Vec<Token<'_>>, String> {
[INFO] [stdout]   |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/expr.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn coerce(s: &str) -> Token { 
[INFO] [stdout]    |                  ^^^^     ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn coerce(s: &str) -> Token<'_> { 
[INFO] [stdout]    |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "537ce7c7d116291c9a1ea191c81c4d44d9101fbf8b024201c6c726b03576540b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537ce7c7d116291c9a1ea191c81c4d44d9101fbf8b024201c6c726b03576540b", kill_on_drop: false }`
[INFO] [stdout] 537ce7c7d116291c9a1ea191c81c4d44d9101fbf8b024201c6c726b03576540b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] edfe8560bb34c343130532af9506dd9f4481a89a7448d1e1669332cf426c268d
[INFO] running `Command { std: "docker" "start" "-a" "edfe8560bb34c343130532af9506dd9f4481a89a7448d1e1669332cf426c268d", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]  --> src/expr.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn tokenize(s: &str) -> Result<Vec<Token>, String> {
[INFO] [stderr]   |                    ^^^^                ----- the lifetime gets resolved as `'_`
[INFO] [stderr]   |                    |
[INFO] [stderr]   |                    this lifetime flows to the output
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn tokenize(s: &str) -> Result<Vec<Token<'_>>, String> {
[INFO] [stderr]   |                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/expr.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub fn coerce(s: &str) -> Token { 
[INFO] [stderr]    |                  ^^^^     ----- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub fn coerce(s: &str) -> Token<'_> { 
[INFO] [stderr]    |                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `math` (bin "math" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/math-83cc821176ba95e0)
[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" "edfe8560bb34c343130532af9506dd9f4481a89a7448d1e1669332cf426c268d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edfe8560bb34c343130532af9506dd9f4481a89a7448d1e1669332cf426c268d", kill_on_drop: false }`
[INFO] [stdout] edfe8560bb34c343130532af9506dd9f4481a89a7448d1e1669332cf426c268d
