[INFO] cloning repository https://github.com/remexre/evaltrees
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/remexre/evaltrees" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fevaltrees", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fevaltrees'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f96c7e6b05fa9531a9860a5b8185848660c454c9
[INFO] testing remexre/evaltrees against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fevaltrees" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/remexre/evaltrees 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/remexre/evaltrees
[INFO] finished tweaking git repo https://github.com/remexre/evaltrees
[INFO] tweaked toml for git repo https://github.com/remexre/evaltrees written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/remexre/evaltrees 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9df07f6a0968b2f3829418699c13e3ad17d67fe65a80ccc81f0a4884242b3291
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9df07f6a0968b2f3829418699c13e3ad17d67fe65a80ccc81f0a4884242b3291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9df07f6a0968b2f3829418699c13e3ad17d67fe65a80ccc81f0a4884242b3291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9df07f6a0968b2f3829418699c13e3ad17d67fe65a80ccc81f0a4884242b3291", kill_on_drop: false }`
[INFO] [stdout] 9df07f6a0968b2f3829418699c13e3ad17d67fe65a80ccc81f0a4884242b3291
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] fdf2b5c8b83ec6d175eb1db935c55335f7b970d860fa0f23c45e8b64813da9ea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fdf2b5c8b83ec6d175eb1db935c55335f7b970d860fa0f23c45e8b64813da9ea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling pico-args v0.3.4
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling symbol v0.1.7
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling linked_hash_set v0.1.4
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling lalrpop-util v0.19.4
[INFO] [stderr]    Compiling lalrpop v0.19.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling display_attr v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling evaltrees v0.2.0-pre (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "fdf2b5c8b83ec6d175eb1db935c55335f7b970d860fa0f23c45e8b64813da9ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdf2b5c8b83ec6d175eb1db935c55335f7b970d860fa0f23c45e8b64813da9ea", kill_on_drop: false }`
[INFO] [stdout] fdf2b5c8b83ec6d175eb1db935c55335f7b970d860fa0f23c45e8b64813da9ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9ad2c99042ef4038e768ff9efe0d292b1dfe7b00b09a95511426720222342f9b
[INFO] running `Command { std: "docker" "start" "-a" "9ad2c99042ef4038e768ff9efe0d292b1dfe7b00b09a95511426720222342f9b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling evaltrees v0.2.0-pre (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.43s
[INFO] running `Command { std: "docker" "inspect" "9ad2c99042ef4038e768ff9efe0d292b1dfe7b00b09a95511426720222342f9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ad2c99042ef4038e768ff9efe0d292b1dfe7b00b09a95511426720222342f9b", kill_on_drop: false }`
[INFO] [stdout] 9ad2c99042ef4038e768ff9efe0d292b1dfe7b00b09a95511426720222342f9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 07c0c39a0775296ac97b81aa0ee30be7b92b565007925fcf4fc834015965a9bc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "07c0c39a0775296ac97b81aa0ee30be7b92b565007925fcf4fc834015965a9bc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/evaltrees-f4d9ace059281cbe)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test cst::display::tests::math_parens ... ok
[INFO] [stdout] test eval::lazy::tests::app ... ok
[INFO] [stdout] test ast::display::tests::type_list_precedence ... ok
[INFO] [stdout] test eval::lazy::tests::infinite ... ok
[INFO] [stdout] test cst::display::tests::math_noparens ... ok
[INFO] [stdout] test eval::lazy::tests::id_int ... ok
[INFO] [stdout] test eval::lazy::tests::sharing ... ok
[INFO] [stdout] test eval::lazy::tests::strictness ... ok
[INFO] [stdout] test ast::display::tests::type_forall_precedence ... ok
[INFO] [stdout] test cst::display::tests::subtraction ... ok
[INFO] [stdout] test ast::display::tests::type_func_precedence ... ok
[INFO] [stdout] test cst::display::tests::call ... ok
[INFO] [stdout] test eval::name::tests::id_int ... ok
[INFO] [stdout] test eval::value::tests::app ... ok
[INFO] [stdout] test eval::name::tests::app ... ok
[INFO] [stdout] test eval::name::tests::strictness ... ok
[INFO] [stdout] test eval::name::tests::infinite ... ok
[INFO] [stdout] test cst::display::tests::if_prec ... ok
[INFO] [stdout] test cst::parser::tests::lists ... ok
[INFO] [stdout] test tests::examples::mutual ... ok
[INFO] [stdout] test typeck::tests::poly_id ... ok
[INFO] [stdout] test tests::examples::higher_order ... ok
[INFO] [stdout] test cst::parser::tests::math_precedence ... ok
[INFO] [stdout] test cst::parser::tests::commands ... ok
[INFO] [stdout] test typeck::tests::map_map ... ok
[INFO] [stdout] test tests::examples::poly ... ok
[INFO] [stdout] test tests::examples::double ... ok
[INFO] [stdout] test cst::parser::tests::calls ... ok
[INFO] [stdout] test tests::examples::and ... ok
[INFO] [stdout] test tests::examples::infinite ... ok
[INFO] [stdout] test tests::examples::div0 ... ok
[INFO] [stdout] test tests::examples::tail_recursion ... ok
[INFO] [stdout] test tests::examples::id ... ok
[INFO] [stdout] test tests::examples::type_error - should panic ... ok
[INFO] [stdout] test tests::examples::need ... ok
[INFO] [stdout] test tests::examples::occurs_error - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests evaltrees
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/cst/mod.rs - cst (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "07c0c39a0775296ac97b81aa0ee30be7b92b565007925fcf4fc834015965a9bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c0c39a0775296ac97b81aa0ee30be7b92b565007925fcf4fc834015965a9bc", kill_on_drop: false }`
[INFO] [stdout] 07c0c39a0775296ac97b81aa0ee30be7b92b565007925fcf4fc834015965a9bc