[INFO] crate free-algebra 0.1.0 is already in cache
[INFO] testing free-algebra-0.1.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate free-algebra 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate free-algebra 0.1.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate free-algebra 0.1.0
[INFO] finished tweaking crates.io crate free-algebra 0.1.0
[INFO] tweaked toml for crates.io crate free-algebra 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f8517f5da1e184fc17405f6bec3cf54203191b86258880cab62534cdda4f832
[INFO] running `"docker" "start" "-a" "5f8517f5da1e184fc17405f6bec3cf54203191b86258880cab62534cdda4f832"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling maths-traits v0.2.1
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling free-algebra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.69s
[INFO] running `"docker" "inspect" "5f8517f5da1e184fc17405f6bec3cf54203191b86258880cab62534cdda4f832"`
[INFO] running `"docker" "rm" "-f" "5f8517f5da1e184fc17405f6bec3cf54203191b86258880cab62534cdda4f832"`
[INFO] [stdout] 5f8517f5da1e184fc17405f6bec3cf54203191b86258880cab62534cdda4f832
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8845a43f2131b832ee29c44e1c2e7217bac77b19924f4718a811b56e1f56ffa8
[INFO] running `"docker" "start" "-a" "8845a43f2131b832ee29c44e1c2e7217bac77b19924f4718a811b56e1f56ffa8"`
[INFO] [stderr]    Compiling free-algebra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `"docker" "inspect" "8845a43f2131b832ee29c44e1c2e7217bac77b19924f4718a811b56e1f56ffa8"`
[INFO] running `"docker" "rm" "-f" "8845a43f2131b832ee29c44e1c2e7217bac77b19924f4718a811b56e1f56ffa8"`
[INFO] [stdout] 8845a43f2131b832ee29c44e1c2e7217bac77b19924f4718a811b56e1f56ffa8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stdout] 933d586a9e00a792bb2e7d2bbeeca9a43aa578f4d4d4ab6427a859000454d970
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "933d586a9e00a792bb2e7d2bbeeca9a43aa578f4d4d4ab6427a859000454d970"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/free_algebra-0add4942221c6fb7
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests free-algebra
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test src/lib.rs -  (line 21) ... ok
[INFO] [stdout] test src/module.rs - module::ModuleString<R, T, A>::get (line 279) ... ok
[INFO] [stdout] test src/module.rs - module::ModuleString<R, T, A>::get_ref (line 258) ... ok
[INFO] [stdout] test src/module.rs - module::ModuleString<R, T, A>::iter_mut (line 303) ... ok
[INFO] [stdout] test src/module.rs - module::ModuleString<R, T, A>::len (line 236) ... ok
[INFO] [stdout] test src/module.rs - module::ModuleString<R, T, A>::commutator (line 329) ... ok
[INFO] [stdout] test src/module.rs - module::ModuleString<R, T, A>::commutator (line 352) ... ok
[INFO] [stdout] test src/module.rs - module::ModuleString<R, T, A> (line 75) ... ok
[INFO] [stdout] test src/monoid.rs - monoid::MonoidalString<C, M> (line 105) ... ok
[INFO] [stdout] test src/monoid.rs - monoid::MonoidalString<C, M> (line 115) ... ok
[INFO] [stdout] test src/monoid.rs - monoid::MonoidalString<C, M> (line 96) ... ok
[INFO] [stdout] test src/monoid.rs - monoid::MonoidalString<C, M> (line 124) ... ok
[INFO] [stdout] test src/monoid.rs - monoid::MonoidalString<C, M>::commutator (line 321) ... ok
[INFO] [stdout] test src/monoid.rs - monoid::MonoidalString<C, M>::iter (line 254) ... ok
[INFO] [stdout] test src/monoid.rs - monoid::MonoidalString<C, M>::commutator (line 337) ... ok
[INFO] [stdout] test src/specifics/free_group.rs - specifics::free_group::FreeInv<T>::is_id (line 114) ... ok
[INFO] [stdout] test src/monoid.rs - monoid::MonoidalString<C, M>::iter_mut (line 277) ... ok
[INFO] [stdout] test src/monoid.rs - monoid::MonoidalString<C, M>::len (line 236) ... ok
[INFO] [stdout] test src/monoid.rs - monoid::MonoidalString<C, M>::reverse (line 302) ... ok
[INFO] [stdout] test src/specifics/free_group.rs - specifics::free_group::FreeInv<T>::is_inv (line 100) ... ok
[INFO] [stdout] test src/specifics/free_group.rs - specifics::free_group::FreeGroup (line 10) ... ok
[INFO] [stdout] test src/specifics/free_monoid.rs - specifics::free_monoid::FreeMonoid (line 11) ... ok
[INFO] [stdout] test src/specifics/free_pow.rs - specifics::free_pow::FreePowMonoid (line 11) ... ok
[INFO] [stdout] test src/specifics/mod.rs - specifics::FreeModule (line 92) ... ok
[INFO] [stdout] test src/specifics/mod.rs - specifics::MonoidRing (line 40) ... ok
[INFO] [stdout] test src/specifics/mod.rs - specifics::FreeAlgebra (line 120) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "933d586a9e00a792bb2e7d2bbeeca9a43aa578f4d4d4ab6427a859000454d970"`
[INFO] running `"docker" "rm" "-f" "933d586a9e00a792bb2e7d2bbeeca9a43aa578f4d4d4ab6427a859000454d970"`
[INFO] [stdout] 933d586a9e00a792bb2e7d2bbeeca9a43aa578f4d4d4ab6427a859000454d970