[INFO] cloning repository https://github.com/xmaeltht/rust-webapp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xmaeltht/rust-webapp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxmaeltht%2Frust-webapp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxmaeltht%2Frust-webapp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2ba2e5b410b267abf396a2cd3083c2e437e3cb7
[INFO] checking xmaeltht/rust-webapp against master#c8a31b780d5415358566a20b94912620a3f27067 for pr-139493-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxmaeltht%2Frust-webapp" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xmaeltht/rust-webapp
[INFO] finished tweaking git repo https://github.com/xmaeltht/rust-webapp
[INFO] tweaked toml for git repo https://github.com/xmaeltht/rust-webapp written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xmaeltht/rust-webapp on toolchain c8a31b780d5415358566a20b94912620a3f27067
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8a31b780d5415358566a20b94912620a3f27067" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xmaeltht/rust-webapp 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" "+c8a31b780d5415358566a20b94912620a3f27067" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+c8a31b780d5415358566a20b94912620a3f27067" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eae8270fbb43d052722da64f6b06ac5515d67e4c31d2ad6d99b96446714bbd57
[INFO] running `Command { std: "docker" "start" "-a" "eae8270fbb43d052722da64f6b06ac5515d67e4c31d2ad6d99b96446714bbd57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eae8270fbb43d052722da64f6b06ac5515d67e4c31d2ad6d99b96446714bbd57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eae8270fbb43d052722da64f6b06ac5515d67e4c31d2ad6d99b96446714bbd57", kill_on_drop: false }`
[INFO] [stdout] eae8270fbb43d052722da64f6b06ac5515d67e4c31d2ad6d99b96446714bbd57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "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" "+c8a31b780d5415358566a20b94912620a3f27067" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c53a83964eea4a50e873bc80cc0f143df2a827f18a417c465cc4c8d606fa2d7
[INFO] running `Command { std: "docker" "start" "-a" "2c53a83964eea4a50e873bc80cc0f143df2a827f18a417c465cc4c8d606fa2d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.69
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking wasm-bindgen v0.2.92
[INFO] [stderr]     Checking rust-webass v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `tax` is never read
[INFO] [stdout]  --> src/lib.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut tax = 0.0;
[INFO] [stdout]   |                   ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tax` is never read
[INFO] [stdout]  --> src/lib.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut tax = 0.0;
[INFO] [stdout]   |                   ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.20s
[INFO] running `Command { std: "docker" "inspect" "2c53a83964eea4a50e873bc80cc0f143df2a827f18a417c465cc4c8d606fa2d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c53a83964eea4a50e873bc80cc0f143df2a827f18a417c465cc4c8d606fa2d7", kill_on_drop: false }`
[INFO] [stdout] 2c53a83964eea4a50e873bc80cc0f143df2a827f18a417c465cc4c8d606fa2d7