[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#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fevaltrees" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/remexre/evaltrees on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-6/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", 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] 461fa4b39a2ac28b63e24decfb623c1ae6738b9ad4d808195f5d8459149a93ed
[INFO] running `Command { std: "docker" "start" "-a" "461fa4b39a2ac28b63e24decfb623c1ae6738b9ad4d808195f5d8459149a93ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "461fa4b39a2ac28b63e24decfb623c1ae6738b9ad4d808195f5d8459149a93ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461fa4b39a2ac28b63e24decfb623c1ae6738b9ad4d808195f5d8459149a93ed", kill_on_drop: false }`
[INFO] [stdout] 461fa4b39a2ac28b63e24decfb623c1ae6738b9ad4d808195f5d8459149a93ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88e66af84bbd285af5c9bae00c5c3c6ca1dde699633b0097db2ae4357cfe9000
[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" "88e66af84bbd285af5c9bae00c5c3c6ca1dde699633b0097db2ae4357cfe9000", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling pico-args v0.3.4
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling symbol v0.1.7
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling lalrpop-util v0.19.4
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[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 01s
[INFO] running `Command { std: "docker" "inspect" "88e66af84bbd285af5c9bae00c5c3c6ca1dde699633b0097db2ae4357cfe9000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e66af84bbd285af5c9bae00c5c3c6ca1dde699633b0097db2ae4357cfe9000", kill_on_drop: false }`
[INFO] [stdout] 88e66af84bbd285af5c9bae00c5c3c6ca1dde699633b0097db2ae4357cfe9000
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3a285bde114def7f8ecca7af9a468d200ed6e873697f1c29f605de18c9b533a
[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" "e3a285bde114def7f8ecca7af9a468d200ed6e873697f1c29f605de18c9b533a", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[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 10.56s
[INFO] running `Command { std: "docker" "inspect" "e3a285bde114def7f8ecca7af9a468d200ed6e873697f1c29f605de18c9b533a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a285bde114def7f8ecca7af9a468d200ed6e873697f1c29f605de18c9b533a", kill_on_drop: false }`
[INFO] [stdout] e3a285bde114def7f8ecca7af9a468d200ed6e873697f1c29f605de18c9b533a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", 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] f2172b60b37e642cdc5abcd3ff8c0e0d35465887b498860cbbfa081f718e4783
[INFO] running `Command { std: "docker" "start" "-a" "f2172b60b37e642cdc5abcd3ff8c0e0d35465887b498860cbbfa081f718e4783", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/evaltrees-bcdc07331e6bf1f7)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test ast::display::tests::type_forall_precedence ... ok
[INFO] [stdout] test ast::display::tests::type_func_precedence ... ok
[INFO] [stdout] test ast::display::tests::type_list_precedence ... ok
[INFO] [stdout] test cst::display::tests::math_parens ... ok
[INFO] [stdout] test cst::display::tests::subtraction ... ok
[INFO] [stdout] test cst::display::tests::math_noparens ... ok
[INFO] [stdout] test cst::display::tests::call ... ok
[INFO] [stdout] test cst::display::tests::if_prec ... ok
[INFO] [stdout] test eval::name::tests::id_int ... ok
[INFO] [stdout] test eval::name::tests::infinite ... ok
[INFO] [stdout] test eval::name::tests::strictness ... ok
[INFO] [stdout] test eval::name::tests::app ... ok
[INFO] [stdout] test eval::value::tests::app ... ok
[INFO] [stdout] test eval::lazy::tests::app ... ok
[INFO] [stdout] test eval::lazy::tests::infinite ... ok
[INFO] [stdout] test eval::lazy::tests::sharing ... ok
[INFO] [stdout] test eval::lazy::tests::strictness ... ok
[INFO] [stdout] test eval::lazy::tests::id_int ... ok
[INFO] [stdout] test cst::parser::tests::calls ... ok
[INFO] [stdout] test cst::parser::tests::lists ... ok
[INFO] [stdout] test cst::parser::tests::math_precedence ... ok
[INFO] [stdout] test typeck::tests::poly_id ... ok
[INFO] [stdout] test tests::examples::mutual ... ok
[INFO] [stdout] test tests::examples::double ... ok
[INFO] [stdout] test cst::parser::tests::commands ... ok
[INFO] [stdout] test tests::examples::poly ... ok
[INFO] [stdout] test tests::examples::need ... ok
[INFO] [stdout] test tests::examples::infinite ... ok
[INFO] [stdout] test typeck::tests::map_map ... ok
[INFO] [stdout] test tests::examples::id ... ok
[INFO] [stdout] test tests::examples::occurs_error ... ok
[INFO] [stdout] test tests::examples::tail_recursion ... ok
[INFO] [stdout] test tests::examples::type_error ... ok
[INFO] [stdout] test tests::examples::div0 ... ok
[INFO] [stdout] test tests::examples::and ... ok
[INFO] [stderr]    Doc-tests evaltrees
[INFO] [stdout] test tests::examples::higher_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[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 2.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f2172b60b37e642cdc5abcd3ff8c0e0d35465887b498860cbbfa081f718e4783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2172b60b37e642cdc5abcd3ff8c0e0d35465887b498860cbbfa081f718e4783", kill_on_drop: false }`
[INFO] [stdout] f2172b60b37e642cdc5abcd3ff8c0e0d35465887b498860cbbfa081f718e4783