[INFO] cloning repository https://github.com/supersurviveur/formalith
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/supersurviveur/formalith" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupersurviveur%2Fformalith", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupersurviveur%2Fformalith'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e09fa8755e10ca5916bce429abae5d97d548491a
[INFO] testing supersurviveur/formalith against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupersurviveur%2Fformalith" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/supersurviveur/formalith
[INFO] finished tweaking git repo https://github.com/supersurviveur/formalith
[INFO] tweaked toml for git repo https://github.com/supersurviveur/formalith written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/supersurviveur/formalith on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/supersurviveur/formalith 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d979461813bf8f3d54dd17d3a9e86ade3142a9a244611e3c925356f8182ffb46
[INFO] running `Command { std: "docker" "start" "-a" "d979461813bf8f3d54dd17d3a9e86ade3142a9a244611e3c925356f8182ffb46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d979461813bf8f3d54dd17d3a9e86ade3142a9a244611e3c925356f8182ffb46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d979461813bf8f3d54dd17d3a9e86ade3142a9a244611e3c925356f8182ffb46", kill_on_drop: false }`
[INFO] [stdout] d979461813bf8f3d54dd17d3a9e86ade3142a9a244611e3c925356f8182ffb46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 913d19169510a8b111de97ab37c939d755a23aaa187fe96dbb952861ebd8d51c
[INFO] running `Command { std: "docker" "start" "-a" "913d19169510a8b111de97ab37c939d755a23aaa187fe96dbb952861ebd8d51c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling malachite-nz v0.5.1
[INFO] [stderr]    Compiling owo-colors v4.2.1
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling append-only-vec v0.1.7
[INFO] [stderr]    Compiling dyn-hash v0.2.2
[INFO] [stderr]    Compiling dyn-clone v1.0.19
[INFO] [stderr]    Compiling dyn-eq v0.1.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling supports-color v3.0.2
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling malachite-base v0.5.1
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling malachite-q v0.5.1
[INFO] [stderr]    Compiling malachite v0.5.1
[INFO] [stderr]    Compiling formalith v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.24s
[INFO] running `Command { std: "docker" "inspect" "913d19169510a8b111de97ab37c939d755a23aaa187fe96dbb952861ebd8d51c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "913d19169510a8b111de97ab37c939d755a23aaa187fe96dbb952861ebd8d51c", kill_on_drop: false }`
[INFO] [stdout] 913d19169510a8b111de97ab37c939d755a23aaa187fe96dbb952861ebd8d51c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42447fbf76d59572c50b8d79ff5e02518515e0ac88c0149a843fd95f6ae7d36e
[INFO] running `Command { std: "docker" "start" "-a" "42447fbf76d59572c50b8d79ff5e02518515e0ac88c0149a843fd95f6ae7d36e", kill_on_drop: false }`
[INFO] [stderr]    Compiling formalith v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "42447fbf76d59572c50b8d79ff5e02518515e0ac88c0149a843fd95f6ae7d36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42447fbf76d59572c50b8d79ff5e02518515e0ac88c0149a843fd95f6ae7d36e", kill_on_drop: false }`
[INFO] [stdout] 42447fbf76d59572c50b8d79ff5e02518515e0ac88c0149a843fd95f6ae7d36e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 26f25b9c66e1dee67a8cb79a46f632ecd5a9f8546acfde6954e2102b1cb00ac9
[INFO] running `Command { std: "docker" "start" "-a" "26f25b9c66e1dee67a8cb79a46f632ecd5a9f8546acfde6954e2102b1cb00ac9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/formalith-2b8d70db1f79075b)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/formalith-a8cb194398f301e8)
[INFO] [stderr]    Doc-tests formalith
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/combinatorics.rs - combinatorics::CompositionIterator (line 13) ... FAILED
[INFO] [stdout] test src/context/mod.rs - context::symbol (line 67) ... ok
[INFO] [stdout] test src/context/mod.rs - context::Symbol::new (line 28) ... ok
[INFO] [stdout] test src/term/mod.rs - term::Term<T>::expand (line 644) ... ok
[INFO] [stdout] test src/term/mod.rs - term::Term<T>::is_zero (line 171) ... ok
[INFO] [stdout] test src/term/mod.rs - term::Term<T>::is_one (line 630) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/combinatorics.rs - combinatorics::CompositionIterator (line 13) stdout ----
[INFO] [stdout] error[E0599]: no method named `next` found for struct `CompositionIterator<'a>` in the current scope
[INFO] [stdout]  --> src/combinatorics.rs:18:40
[INFO] [stdout]   |
[INFO] [stdout] 8 | while let Some(composition) = iterator.next() {
[INFO] [stdout]   |                                        ^^^^ method not found in `CompositionIterator<'_>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/combinatorics.rs - combinatorics::CompositionIterator (line 13)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.34s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 2.48s; merged doctests compilation took 0.14s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "26f25b9c66e1dee67a8cb79a46f632ecd5a9f8546acfde6954e2102b1cb00ac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f25b9c66e1dee67a8cb79a46f632ecd5a9f8546acfde6954e2102b1cb00ac9", kill_on_drop: false }`
[INFO] [stdout] 26f25b9c66e1dee67a8cb79a46f632ecd5a9f8546acfde6954e2102b1cb00ac9