[INFO] cloning repository https://github.com/lctr/pemdas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lctr/pemdas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flctr%2Fpemdas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flctr%2Fpemdas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c27ca41fc81a07b5276566a971e347d3a5e3cf23
[INFO] testing lctr/pemdas against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flctr%2Fpemdas" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lctr/pemdas
[INFO] finished tweaking git repo https://github.com/lctr/pemdas
[INFO] tweaked toml for git repo https://github.com/lctr/pemdas written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lctr/pemdas on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lctr/pemdas 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7260e5c9b0309bf08923c18a02111a0a547b8b75353ffc4a61835d18f4667e14
[INFO] running `Command { std: "docker" "start" "-a" "7260e5c9b0309bf08923c18a02111a0a547b8b75353ffc4a61835d18f4667e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7260e5c9b0309bf08923c18a02111a0a547b8b75353ffc4a61835d18f4667e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7260e5c9b0309bf08923c18a02111a0a547b8b75353ffc4a61835d18f4667e14", kill_on_drop: false }`
[INFO] [stdout] 7260e5c9b0309bf08923c18a02111a0a547b8b75353ffc4a61835d18f4667e14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ca5c211c700691b0aaa0785c32985913303c38829788f2e67594e733b3b5192
[INFO] running `Command { std: "docker" "start" "-a" "0ca5c211c700691b0aaa0785c32985913303c38829788f2e67594e733b3b5192", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling fd-lock v3.0.8
[INFO] [stderr]    Compiling rustyline v10.0.0
[INFO] [stderr]    Compiling default_variant v0.1.0
[INFO] [stderr]    Compiling pemdas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `precs`
[INFO] [stdout]   --> src/syntax/fixity.rs:62:11
[INFO] [stdout]    |
[INFO] [stdout] 62 | #[cfg(not(feature = "precs"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `precs` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/syntax/fixity.rs:357:78
[INFO] [stdout]     |
[INFO] [stdout] 357 |     pub fn fixity_entries<'a>(&'a self) -> FixityEntries<indexmap::map::Iter<'_, Infix, Fixity>> {
[INFO] [stdout]     |                                -- the lifetime is named here                 ^^ the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 357 -     pub fn fixity_entries<'a>(&'a self) -> FixityEntries<indexmap::map::Iter<'_, Infix, Fixity>> {
[INFO] [stdout] 357 +     pub fn fixity_entries<'a>(&'a self) -> FixityEntries<indexmap::map::Iter<'a, Infix, Fixity>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/text/style.rs:428:91
[INFO] [stdout]     |
[INFO] [stdout] 428 |     pub fn share_iter<'s, I>(&'s self, iter: I) -> impl Iterator<Item = Style<I::Item>> + '_
[INFO] [stdout]     |                               -- the lifetime is named here                               ^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'s`
[INFO] [stdout]     |
[INFO] [stdout] 428 -     pub fn share_iter<'s, I>(&'s self, iter: I) -> impl Iterator<Item = Style<I::Item>> + '_
[INFO] [stdout] 428 +     pub fn share_iter<'s, I>(&'s self, iter: I) -> impl Iterator<Item = Style<I::Item>> + 's
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.56s
[INFO] running `Command { std: "docker" "inspect" "0ca5c211c700691b0aaa0785c32985913303c38829788f2e67594e733b3b5192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ca5c211c700691b0aaa0785c32985913303c38829788f2e67594e733b3b5192", kill_on_drop: false }`
[INFO] [stdout] 0ca5c211c700691b0aaa0785c32985913303c38829788f2e67594e733b3b5192
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1737762a42730d7acab63a52cb1da7222dd78fae0cbb61374a3b0d4ae6c86b1
[INFO] running `Command { std: "docker" "start" "-a" "c1737762a42730d7acab63a52cb1da7222dd78fae0cbb61374a3b0d4ae6c86b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling pretty_assertions v1.3.0
[INFO] [stderr]    Compiling pemdas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `precs`
[INFO] [stdout]   --> src/syntax/fixity.rs:62:11
[INFO] [stdout]    |
[INFO] [stdout] 62 | #[cfg(not(feature = "precs"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `precs` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `echo`, `echo_ref`, `echo_mut`, `echo_then`, and `debug` are never used
[INFO] [stdout]    --> src/syntax/parser.rs:514:12
[INFO] [stdout]     |
[INFO] [stdout] 513 |     trait Echo {
[INFO] [stdout]     |           ---- methods in this trait
[INFO] [stdout] 514 |         fn echo(self) -> Self
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 522 |         fn echo_ref(&self) -> &Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 527 |         fn echo_mut(&mut self) -> &mut Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 532 |         fn echo_then<X>(self, f: impl FnOnce(Self) -> X) -> X
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 543 |         fn debug(&self);
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/syntax/fixity.rs:357:78
[INFO] [stdout]     |
[INFO] [stdout] 357 |     pub fn fixity_entries<'a>(&'a self) -> FixityEntries<indexmap::map::Iter<'_, Infix, Fixity>> {
[INFO] [stdout]     |                                -- the lifetime is named here                 ^^ the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 357 -     pub fn fixity_entries<'a>(&'a self) -> FixityEntries<indexmap::map::Iter<'_, Infix, Fixity>> {
[INFO] [stdout] 357 +     pub fn fixity_entries<'a>(&'a self) -> FixityEntries<indexmap::map::Iter<'a, Infix, Fixity>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/text/style.rs:428:91
[INFO] [stdout]     |
[INFO] [stdout] 428 |     pub fn share_iter<'s, I>(&'s self, iter: I) -> impl Iterator<Item = Style<I::Item>> + '_
[INFO] [stdout]     |                               -- the lifetime is named here                               ^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'s`
[INFO] [stdout]     |
[INFO] [stdout] 428 -     pub fn share_iter<'s, I>(&'s self, iter: I) -> impl Iterator<Item = Style<I::Item>> + '_
[INFO] [stdout] 428 +     pub fn share_iter<'s, I>(&'s self, iter: I) -> impl Iterator<Item = Style<I::Item>> + 's
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "c1737762a42730d7acab63a52cb1da7222dd78fae0cbb61374a3b0d4ae6c86b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1737762a42730d7acab63a52cb1da7222dd78fae0cbb61374a3b0d4ae6c86b1", kill_on_drop: false }`
[INFO] [stdout] c1737762a42730d7acab63a52cb1da7222dd78fae0cbb61374a3b0d4ae6c86b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a80919cf28e2920abc053c1bbb5441193bb9d043b6206ec3c26abc1233ef9b32
[INFO] running `Command { std: "docker" "start" "-a" "a80919cf28e2920abc053c1bbb5441193bb9d043b6206ec3c26abc1233ef9b32", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `precs`
[INFO] [stderr]   --> src/syntax/fixity.rs:62:11
[INFO] [stderr]    |
[INFO] [stderr] 62 | #[cfg(not(feature = "precs"))]
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]    |
[INFO] [stderr]    = note: no expected values for `feature`
[INFO] [stderr]    = help: consider adding `precs` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `echo`, `echo_ref`, `echo_mut`, `echo_then`, and `debug` are never used
[INFO] [stderr]    --> src/syntax/parser.rs:514:12
[INFO] [stderr]     |
[INFO] [stderr] 513 |     trait Echo {
[INFO] [stderr]     |           ---- methods in this trait
[INFO] [stderr] 514 |         fn echo(self) -> Self
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 522 |         fn echo_ref(&self) -> &Self {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 527 |         fn echo_mut(&mut self) -> &mut Self {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 532 |         fn echo_then<X>(self, f: impl FnOnce(Self) -> X) -> X
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 543 |         fn debug(&self);
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/syntax/fixity.rs:357:78
[INFO] [stderr]     |
[INFO] [stderr] 357 |     pub fn fixity_entries<'a>(&'a self) -> FixityEntries<indexmap::map::Iter<'_, Infix, Fixity>> {
[INFO] [stderr]     |                                -- the lifetime is named here                 ^^ the same lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 357 -     pub fn fixity_entries<'a>(&'a self) -> FixityEntries<indexmap::map::Iter<'_, Infix, Fixity>> {
[INFO] [stderr] 357 +     pub fn fixity_entries<'a>(&'a self) -> FixityEntries<indexmap::map::Iter<'a, Infix, Fixity>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/text/style.rs:428:91
[INFO] [stderr]     |
[INFO] [stderr] 428 |     pub fn share_iter<'s, I>(&'s self, iter: I) -> impl Iterator<Item = Style<I::Item>> + '_
[INFO] [stderr]     |                               -- the lifetime is named here                               ^^ the same lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'s`
[INFO] [stderr]     |
[INFO] [stderr] 428 -     pub fn share_iter<'s, I>(&'s self, iter: I) -> impl Iterator<Item = Style<I::Item>> + '_
[INFO] [stderr] 428 +     pub fn share_iter<'s, I>(&'s self, iter: I) -> impl Iterator<Item = Style<I::Item>> + 's
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `pemdas` (bin "pemdas" test) generated 4 warnings (run `cargo fix --bin "pemdas" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pemdas-b386c55cf1c6c843)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test repl::session::test::history ... ok
[INFO] [stdout] test syntax::fixity::test::default_cons_fixity_is_right_assoc ... ok
[INFO] [stderr] panicked at library/core/src/fmt/mod.rs:2735:38:
[INFO] [stdout] test syntax::fixity::test::arithmetic_fixities ... ok
[INFO] [stderr] 
[INFO] [stdout] test syntax::parser::test::test_app ... ok
[INFO] [stderr] thread panicked while processing panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--bin pemdas`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/pemdas-b386c55cf1c6c843` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "a80919cf28e2920abc053c1bbb5441193bb9d043b6206ec3c26abc1233ef9b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a80919cf28e2920abc053c1bbb5441193bb9d043b6206ec3c26abc1233ef9b32", kill_on_drop: false }`
[INFO] [stdout] a80919cf28e2920abc053c1bbb5441193bb9d043b6206ec3c26abc1233ef9b32
