[INFO] cloning repository https://github.com/pandaman64/succ_nix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pandaman64/succ_nix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandaman64%2Fsucc_nix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandaman64%2Fsucc_nix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4cd8b401128f16a1334f313f19821a9b2d6bb76
[INFO] testing pandaman64/succ_nix against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandaman64%2Fsucc_nix" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pandaman64/succ_nix on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pandaman64/succ_nix
[INFO] finished tweaking git repo https://github.com/pandaman64/succ_nix
[INFO] tweaked toml for git repo https://github.com/pandaman64/succ_nix written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/pandaman64/succ_nix already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2761d019b738f436791fac57f9e5ede0b510d2d4a6c6169ebef5759f860b62ec
[INFO] running `Command { std: "docker" "start" "-a" "2761d019b738f436791fac57f9e5ede0b510d2d4a6c6169ebef5759f860b62ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2761d019b738f436791fac57f9e5ede0b510d2d4a6c6169ebef5759f860b62ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2761d019b738f436791fac57f9e5ede0b510d2d4a6c6169ebef5759f860b62ec", kill_on_drop: false }`
[INFO] [stdout] 2761d019b738f436791fac57f9e5ede0b510d2d4a6c6169ebef5759f860b62ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1d80d1a0d4c9dd713118264cd5dc952abf74507b8cf294a69b08f4daf1846eb
[INFO] running `Command { std: "docker" "start" "-a" "e1d80d1a0d4c9dd713118264cd5dc952abf74507b8cf294a69b08f4daf1846eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling text-size v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling countme v2.0.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling smol_str v0.1.17
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rowan v0.12.6
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling cbitset v0.2.0
[INFO] [stderr]    Compiling rnix v0.9.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling succ_nix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.07s
[INFO] running `Command { std: "docker" "inspect" "e1d80d1a0d4c9dd713118264cd5dc952abf74507b8cf294a69b08f4daf1846eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d80d1a0d4c9dd713118264cd5dc952abf74507b8cf294a69b08f4daf1846eb", kill_on_drop: false }`
[INFO] [stdout] e1d80d1a0d4c9dd713118264cd5dc952abf74507b8cf294a69b08f4daf1846eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f13a0b1689b1498589417a699e3f5e1288317e21fb7baf75e395a5378a812d6d
[INFO] running `Command { std: "docker" "start" "-a" "f13a0b1689b1498589417a699e3f5e1288317e21fb7baf75e395a5378a812d6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling similar v1.3.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling terminal_size v0.1.16
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling insta v1.7.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.18
[INFO] [stderr]    Compiling succ_nix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 33.48s
[INFO] running `Command { std: "docker" "inspect" "f13a0b1689b1498589417a699e3f5e1288317e21fb7baf75e395a5378a812d6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13a0b1689b1498589417a699e3f5e1288317e21fb7baf75e395a5378a812d6d", kill_on_drop: false }`
[INFO] [stdout] f13a0b1689b1498589417a699e3f5e1288317e21fb7baf75e395a5378a812d6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 678bc13cae3e58195c49e3a91e3daa152e8a009cbc1b9628f9fbad95ff247c8a
[INFO] running `Command { std: "docker" "start" "-a" "678bc13cae3e58195c49e3a91e3daa152e8a009cbc1b9628f9fbad95ff247c8a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/succ_nix-3589df456b3d743f)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test test::test_id ... ok
[INFO] [stdout] test test::test_app_information_loss ... ok
[INFO] [stdout] test test::test_assert ... ok
[INFO] [stdout] test test::test_attr_set ... ok
[INFO] [stdout] test test::test_attr_set_arg ... ok
[INFO] [stderr] error: subset constraint `bool ⊂ (any -> any)` cannot be met
[INFO] [stdout] test test::test_not_first ... ok
[INFO] [stderr]   ┌─ test_not_id.nix:1:4
[INFO] [stdout] test test::test_assert_msg ... ok
[INFO] [stderr]   │
[INFO] [stdout] test test::test_not_id ... ok
[INFO] [stderr] 1 │ ! (x: x)
[INFO] [stderr]   │    ^^^^ the constraint comes from here
[INFO] [stderr] 
[INFO] [stderr] error: subset constraint `(any -> any) ⊂ bool` cannot be met
[INFO] [stderr]   ┌─ test_not_id.nix:1:4
[INFO] [stderr]   │
[INFO] [stderr] 1 │ ! (x: x)
[INFO] [stderr]   │    ^^^^ the constraint comes from here
[INFO] [stderr] 
[INFO] [stderr] error: subset constraint `bool ⊂ (any -> any)` cannot be met
[INFO] [stderr]   ┌─ test_not_id.nix:1:4
[INFO] [stderr]   │
[INFO] [stderr] 1 │ ! (x: x)
[INFO] [stderr]   │    ^^^^ the constraint comes from here
[INFO] [stderr] 
[INFO] [stdout] test test::test_xx ... ok
[INFO] [stderr] error: limit reached while inferencing types
[INFO] [stderr]   ┌─ test_let_recursive_xx.nix:1:9
[INFO] [stderr]   │
[INFO] [stderr] 1 │ let x = x x; in x
[INFO] [stderr]   │         ^ while inferencing the types for this term
[INFO] [stderr] 
[INFO] [stderr] error: limit reached while inferencing types
[INFO] [stderr]   ┌─ test_let_recursive_xx.nix:1:11
[INFO] [stderr]   │
[INFO] [stderr] 1 │ let x = x x; in x
[INFO] [stderr]   │           ^ while inferencing the types for this term
[INFO] [stderr] 
[INFO] [stderr] error: limit reached while inferencing types
[INFO] [stderr]   ┌─ test_let_recursive_xx.nix:1:9
[INFO] [stderr]   │
[INFO] [stderr] 1 │ let x = x x; in x
[INFO] [stderr]   │         ^^^ while inferencing the types for this term
[INFO] [stderr] 
[INFO] [stderr] error: limit reached while inferencing types
[INFO] [stderr]   ┌─ test_let_recursive_xx.nix:1:9
[INFO] [stderr]   │
[INFO] [stderr] 1 │ let x = x x; in x
[INFO] [stderr]   │         ^ while inferencing the types for this term
[INFO] [stderr] 
[INFO] [stderr] error: limit reached while inferencing types
[INFO] [stderr]   ┌─ test_let_recursive_xx.nix:1:11
[INFO] [stderr]   │
[INFO] [stderr] 1 │ let x = x x; in x
[INFO] [stderr]   │           ^ while inferencing the types for this term
[INFO] [stderr] 
[INFO] [stderr] error: limit reached while inferencing types
[INFO] [stderr]   ┌─ test_let_recursive_xx.nix:1:17
[INFO] [stderr]   │
[INFO] [stderr] 1 │ let x = x x; in x
[INFO] [stderr]   │                 ^ while inferencing the types for this term
[INFO] [stderr] 
[INFO] [stderr] error: limit reached while inferencing types
[INFO] [stderr]   ┌─ test_let_recursive_xx.nix:1:1
[INFO] [stderr]   │
[INFO] [stderr] 1 │ let x = x x; in x
[INFO] [stderr]   │ ^^^^^^^^^^^^^^^^^ while inferencing the types for this term
[INFO] [stderr] 
[INFO] [stdout] test test::test_dynamic_attr ... ok
[INFO] [stderr] error: subset constraint `tt ⊂ (any -> any)` cannot be met
[INFO] [stdout] test test::test_let ... ok
[INFO] [stderr]   ┌─ test_let_fail.nix:1:32
[INFO] [stdout] test test::test_fix ... ok
[INFO] [stderr]   │
[INFO] [stderr] 1 │ let x = true; y = z: z x; in y x
[INFO] [stderr]   │                                ^ the constraint comes from here
[INFO] [stderr] 
[INFO] [stderr] error: subset constraint `(any -> any) ⊂ tt` cannot be met
[INFO] [stderr]   ┌─ test_let_fail.nix:1:1
[INFO] [stderr]   │
[INFO] [stderr] 1 │ let x = true; y = z: z x; in y x
[INFO] [stderr]   │ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the constraint comes from here
[INFO] [stderr] 
[INFO] [stderr] error: subset constraint `tt ⊂ (any -> any)` cannot be met
[INFO] [stderr]   ┌─ test_let_fail.nix:1:32
[INFO] [stderr]   │
[INFO] [stderr] 1 │ let x = true; y = z: z x; in y x
[INFO] [stderr]   │                                ^ the constraint comes from here
[INFO] [stderr] 
[INFO] [stderr] error: limit reached while inferencing types
[INFO] [stderr]   ┌─ test_let_fail.nix:1:32
[INFO] [stderr]   │
[INFO] [stderr] 1 │ let x = true; y = z: z x; in y x
[INFO] [stderr]   │                                ^ while inferencing the types for this term
[INFO] [stderr] 
[INFO] [stderr] error: limit reached while inferencing types
[INFO] [stderr]   ┌─ test_let_fail.nix:1:30
[INFO] [stderr]   │
[INFO] [stderr] 1 │ let x = true; y = z: z x; in y x
[INFO] [stderr]   │                              ^^^ while inferencing the types for this term
[INFO] [stderr] 
[INFO] [stdout] test test::test_let_fail ... ok
[INFO] [stdout] test test::test_attr_set_rec ... ok
[INFO] [stdout] test test::test_branch ... ok
[INFO] [stderr] error: limit reached while inferencing types
[INFO] [stdout] test test::test_branch_half_succ ... ok
[INFO] [stderr]   ┌─ test_hungry.nix:1:1
[INFO] [stdout] test test::test_rec ... ok
[INFO] [stderr]   │
[INFO] [stdout] test test::test_let_infinite_types ... ok
[INFO] [stderr] 1 │ let hungry = x: hungry; in hungry
[INFO] [stdout] test test::test_with ... ok
[INFO] [stderr]   │ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ while inferencing the types for this term
[INFO] [stdout] test test::test_fail_nonexistent_path ... ok
[INFO] [stderr] 
[INFO] [stderr] error: limit reached while inferencing types
[INFO] [stderr]   ┌─ test_hungry.nix:1:14
[INFO] [stderr]   │
[INFO] [stderr] 1 │ let hungry = x: hungry; in hungry
[INFO] [stderr]   │              ^^^^^^^^^ while inferencing the types for this term
[INFO] [stderr] 
[INFO] [stderr] error: limit reached while inferencing types
[INFO] [stderr]   ┌─ test_hungry.nix:1:28
[INFO] [stderr]   │
[INFO] [stderr] 1 │ let hungry = x: hungry; in hungry
[INFO] [stderr]   │                            ^^^^^^ while inferencing the types for this term
[INFO] [stderr] 
[INFO] [stderr] error: limit reached while inferencing types
[INFO] [stderr]   ┌─ test_hungry.nix:1:1
[INFO] [stderr]   │
[INFO] [stderr] 1 │ let hungry = x: hungry; in hungry
[INFO] [stderr]   │ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ while inferencing the types for this term
[INFO] [stderr] 
[INFO] [stdout] test test::test_integer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/insta.rs (/opt/rustwide/target/debug/deps/insta-794fae7634b2c9fb)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests succ_nix
[INFO] [stdout] test test_insta ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[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] running `Command { std: "docker" "inspect" "678bc13cae3e58195c49e3a91e3daa152e8a009cbc1b9628f9fbad95ff247c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678bc13cae3e58195c49e3a91e3daa152e8a009cbc1b9628f9fbad95ff247c8a", kill_on_drop: false }`
[INFO] [stdout] 678bc13cae3e58195c49e3a91e3daa152e8a009cbc1b9628f9fbad95ff247c8a