[INFO] cloning repository https://github.com/purefunctor/inference-with-constraints
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/purefunctor/inference-with-constraints" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpurefunctor%2Finference-with-constraints", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpurefunctor%2Finference-with-constraints'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31f02df87e5d750c83721d313a9b93ee8f2bec86
[INFO] testing purefunctor/inference-with-constraints against master#595316b4006932405a63862d8fe65f71a6356293 for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpurefunctor%2Finference-with-constraints" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/purefunctor/inference-with-constraints on toolchain 595316b4006932405a63862d8fe65f71a6356293
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/purefunctor/inference-with-constraints
[INFO] finished tweaking git repo https://github.com/purefunctor/inference-with-constraints
[INFO] tweaked toml for git repo https://github.com/purefunctor/inference-with-constraints written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/purefunctor/inference-with-constraints 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" "+595316b4006932405a63862d8fe65f71a6356293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef1817fb6fb1bcda71bacb3979b0e508015c26cf1b99721be5532fde4a966e3a
[INFO] running `Command { std: "docker" "start" "-a" "ef1817fb6fb1bcda71bacb3979b0e508015c26cf1b99721be5532fde4a966e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef1817fb6fb1bcda71bacb3979b0e508015c26cf1b99721be5532fde4a966e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef1817fb6fb1bcda71bacb3979b0e508015c26cf1b99721be5532fde4a966e3a", kill_on_drop: false }`
[INFO] [stdout] ef1817fb6fb1bcda71bacb3979b0e508015c26cf1b99721be5532fde4a966e3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7def5d488f5cebffc5d12c5f911249d43a10af2dd4f1056fd1ca7ef1196f25f3
[INFO] running `Command { std: "docker" "start" "-a" "7def5d488f5cebffc5d12c5f911249d43a10af2dd4f1056fd1ca7ef1196f25f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling iwc-arena v0.1.0 (/opt/rustwide/workdir/iwc-arena)
[INFO] [stderr]    Compiling smol_str v0.2.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]    Compiling concurrent-queue v2.2.0
[INFO] [stderr]    Compiling petgraph v0.6.3
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling iwc-core-ast v0.1.0 (/opt/rustwide/workdir/iwc-core-ast)
[INFO] [stderr]    Compiling iwc-core-error v0.1.0 (/opt/rustwide/workdir/iwc-core-error)
[INFO] [stderr]    Compiling iwc-core-constraint v0.1.0 (/opt/rustwide/workdir/iwc-core-constraint)
[INFO] [stderr]    Compiling iwc-core-elaborate v0.1.0 (/opt/rustwide/workdir/iwc-core-elaborate)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.63s
[INFO] running `Command { std: "docker" "inspect" "7def5d488f5cebffc5d12c5f911249d43a10af2dd4f1056fd1ca7ef1196f25f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7def5d488f5cebffc5d12c5f911249d43a10af2dd4f1056fd1ca7ef1196f25f3", kill_on_drop: false }`
[INFO] [stdout] 7def5d488f5cebffc5d12c5f911249d43a10af2dd4f1056fd1ca7ef1196f25f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0ac4dfc098e1637deea43c68b8764f6fd57dae8241f795caf763ca9fbfacdbe
[INFO] running `Command { std: "docker" "start" "-a" "a0ac4dfc098e1637deea43c68b8764f6fd57dae8241f795caf763ca9fbfacdbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling iwc-arena v0.1.0 (/opt/rustwide/workdir/iwc-arena)
[INFO] [stderr]    Compiling iwc-core-ast v0.1.0 (/opt/rustwide/workdir/iwc-core-ast)
[INFO] [stderr]    Compiling iwc-core-error v0.1.0 (/opt/rustwide/workdir/iwc-core-error)
[INFO] [stderr]    Compiling iwc-core-constraint v0.1.0 (/opt/rustwide/workdir/iwc-core-constraint)
[INFO] [stderr]    Compiling iwc-core-elaborate v0.1.0 (/opt/rustwide/workdir/iwc-core-elaborate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "a0ac4dfc098e1637deea43c68b8764f6fd57dae8241f795caf763ca9fbfacdbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ac4dfc098e1637deea43c68b8764f6fd57dae8241f795caf763ca9fbfacdbe", kill_on_drop: false }`
[INFO] [stdout] a0ac4dfc098e1637deea43c68b8764f6fd57dae8241f795caf763ca9fbfacdbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85903e661e13f7ae98ebadfba19a0f466a6b808abd757a6dc4f6475267f9f6dc
[INFO] running `Command { std: "docker" "start" "-a" "85903e661e13f7ae98ebadfba19a0f466a6b808abd757a6dc4f6475267f9f6dc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iwc_arena-189cf0a66beaf2a5)
[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/lib.rs (/opt/rustwide/target/debug/deps/iwc_core_ast-0e332282fee795d2)
[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/lib.rs (/opt/rustwide/target/debug/deps/iwc_core_constraint-7c67dde0b9b5d48b)
[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/lib.rs (/opt/rustwide/target/debug/deps/iwc_core_elaborate-88f8a2998251f720)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::entailment_concrete ... ok
[INFO] [stdout] test tests::entailment_dependencies ... ok
[INFO] [stdout] test tests::entailment_recursion ... ok
[INFO] [stdout] test tests::entailment_unification_deferred ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iwc_core_error-61f01189dd331d84)
[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]    Doc-tests iwc_arena
[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]    Doc-tests iwc_core_ast
[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]    Doc-tests iwc_core_constraint
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iwc_core_elaborate
[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 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]    Doc-tests iwc_core_error
[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] running `Command { std: "docker" "inspect" "85903e661e13f7ae98ebadfba19a0f466a6b808abd757a6dc4f6475267f9f6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85903e661e13f7ae98ebadfba19a0f466a6b808abd757a6dc4f6475267f9f6dc", kill_on_drop: false }`
[INFO] [stdout] 85903e661e13f7ae98ebadfba19a0f466a6b808abd757a6dc4f6475267f9f6dc