[INFO] fetching crate kalk 3.2.2...
[INFO] checking kalk-3.2.2 against try#a7b168ac4977e8e93a43448b44847adaa305d5a9 for pr-150557
[INFO] extracting crate kalk 3.2.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate kalk 3.2.2
[INFO] finished tweaking crates.io crate kalk 3.2.2
[INFO] tweaked toml for crates.io crate kalk 3.2.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kalk 3.2.2 on toolchain a7b168ac4977e8e93a43448b44847adaa305d5a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kalk 3.2.2 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" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84050b7006782264cf069f40db43348563e1f211a487f449832fa4fca4873fb2
[INFO] running `Command { std: "docker" "start" "-a" "84050b7006782264cf069f40db43348563e1f211a487f449832fa4fca4873fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84050b7006782264cf069f40db43348563e1f211a487f449832fa4fca4873fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84050b7006782264cf069f40db43348563e1f211a487f449832fa4fca4873fb2", kill_on_drop: false }`
[INFO] [stdout] 84050b7006782264cf069f40db43348563e1f211a487f449832fa4fca4873fb2
[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" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eb4e24b26fd59361da657e0f5747a525c021a3f8d01ff880061bd9604240e97
[INFO] running `Command { std: "docker" "start" "-a" "6eb4e24b26fd59361da657e0f5747a525c021a3f8d01ff880061bd9604240e97", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]    Compiling bumpalo v3.17.0
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.5
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling rug v1.27.0
[INFO] [stderr]    Compiling test-case v1.2.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.100
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.50
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.100
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.100
[INFO] [stderr]     Checking js-sys v0.3.77
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.50
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.50
[INFO] [stderr]     Checking kalk v3.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test_pow_unary` is never used
[INFO] [stdout]    --> src/parser.rs:973:8
[INFO] [stdout]     |
[INFO] [stdout] 973 |     fn test_pow_unary() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/numerical.rs:357:34
[INFO] [stdout]     |
[INFO] [stdout] 357 |     fn get_context(symbol_table: &mut SymbolTable) -> interpreter::Context {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 357 |     fn get_context(symbol_table: &mut SymbolTable) -> interpreter::Context<'_> {
[INFO] [stdout]     |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5m 08s
[INFO] running `Command { std: "docker" "inspect" "6eb4e24b26fd59361da657e0f5747a525c021a3f8d01ff880061bd9604240e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb4e24b26fd59361da657e0f5747a525c021a3f8d01ff880061bd9604240e97", kill_on_drop: false }`
[INFO] [stdout] 6eb4e24b26fd59361da657e0f5747a525c021a3f8d01ff880061bd9604240e97