[INFO] cloning repository https://github.com/mgree/mgt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mgree/mgt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgree%2Fmgt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgree%2Fmgt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6077cba48cb0ea875a85c4e3b5a50a872a03bea
[INFO] testing mgree/mgt against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgree%2Fmgt" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mgree/mgt on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mgree/mgt
[INFO] finished tweaking git repo https://github.com/mgree/mgt
[INFO] tweaked toml for git repo https://github.com/mgree/mgt written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/mgree/mgt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e7227225d9a158a8739f1766504e6a778760c97c4d212ff0c5e160da208b3e8
[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" "2e7227225d9a158a8739f1766504e6a778760c97c4d212ff0c5e160da208b3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e7227225d9a158a8739f1766504e6a778760c97c4d212ff0c5e160da208b3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e7227225d9a158a8739f1766504e6a778760c97c4d212ff0c5e160da208b3e8", kill_on_drop: false }`
[INFO] [stdout] 2e7227225d9a158a8739f1766504e6a778760c97c4d212ff0c5e160da208b3e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5249133d160fa92ac28a8471d81085b8d2d2a506f02c5fb42a4b11dbbb69e5f8
[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" "5249133d160fa92ac28a8471d81085b8d2d2a506f02c5fb42a4b11dbbb69e5f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling lalrpop-util v0.19.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty v0.10.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling sized-chunks v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.19.0
[INFO] [stderr]    Compiling mgt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "5249133d160fa92ac28a8471d81085b8d2d2a506f02c5fb42a4b11dbbb69e5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5249133d160fa92ac28a8471d81085b8d2d2a506f02c5fb42a4b11dbbb69e5f8", kill_on_drop: false }`
[INFO] [stdout] 5249133d160fa92ac28a8471d81085b8d2d2a506f02c5fb42a4b11dbbb69e5f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ec8598cfae63fda98aea8506f673ed32c13eaaf2a961dd72e351e64efcb206e
[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" "0ec8598cfae63fda98aea8506f673ed32c13eaaf2a961dd72e351e64efcb206e", kill_on_drop: false }`
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling environment v0.1.1
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling assert_cli v0.6.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling mgt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.09s
[INFO] running `Command { std: "docker" "inspect" "0ec8598cfae63fda98aea8506f673ed32c13eaaf2a961dd72e351e64efcb206e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ec8598cfae63fda98aea8506f673ed32c13eaaf2a961dd72e351e64efcb206e", kill_on_drop: false }`
[INFO] [stdout] 0ec8598cfae63fda98aea8506f673ed32c13eaaf2a961dd72e351e64efcb206e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7edd11bbb36b46d955fdaf1af60f8475fa5a6ffee954ed6eb8e49de33aa33b1e
[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" "7edd11bbb36b46d955fdaf1af60f8475fa5a6ffee954ed6eb8e49de33aa33b1e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mgt-49ae40848213678b
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test infer::test::infer_bool_id ... ok
[INFO] [stdout] test infer::test::ill_typed_ann ... ok
[INFO] [stdout] test infer::test::infer_boolean_negation ... ok
[INFO] [stdout] test infer::test::infer_big_omega ... ok
[INFO] [stdout] test infer::test::infer_conditional ... ok
[INFO] [stdout] test infer::test::infer_dyn_boolean_negation ... ok
[INFO] [stdout] test infer::test::infer_constants ... ok
[INFO] [stdout] test infer::test::infer_dyn_const ... ok
[INFO] [stdout] test infer::test::eg_width ... ok
[INFO] [stdout] test infer::test::infer_dyn_identity ... ok
[INFO] [stdout] test infer::test::infer_identity ... ok
[INFO] [stdout] test infer::test::infer_neg_or_id ... ok
[INFO] [stdout] test infer::test::infer_very_dynamic ... ok
[INFO] [stdout] test infer::test::infer_little_omega ... ok
[INFO] [stdout] test infer::test::subst_merge ... ok
[INFO] [stdout] test infer::test::infer_bad_constraints ... ok
[INFO] [stdout] test infer::test::let_const ... ok
[INFO] [stdout] test infer::test::well_typed_ann ... ok
[INFO] [stdout] test syntax::test::expr_id ... ok
[INFO] [stdout] test infer::test::let_dyn_poly_error ... ok
[INFO] [stdout] test infer::test::let_plain ... ok
[INFO] [stdout] test infer::test::let_dynfun ... ok
[INFO] [stdout] test infer::test::strict_if_meet_not_join ... ok
[INFO] [stdout] test syntax::test::expr_neg ... ok
[INFO] [stdout] test infer::test::test_letrec ... ok
[INFO] [stdout] test syntax::test::const_int ... ok
[INFO] [stdout] test syntax::test::expr_app ... ok
[INFO] [stdout] test syntax::test::const_bool ... ok
[INFO] [stdout] test infer::test::lax_if_meet_not_join ... ok
[INFO] [stdout] test syntax::test::types ... ok
[INFO] [stdout] test syntax::test::types_atomic ... ok
[INFO] [stdout] test syntax::test::expr_let ... ok
[INFO] [stdout] test syntax::test::pretty_types ... ok
[INFO] [stdout] test syntax::test::pretty_sourceexpr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mgt-16fd9948030ec789
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::id ... ok
[INFO] [stdout] test test::type_error ... ok
[INFO] [stdout] test test::parse_error ... ok
[INFO] [stdout] test test::strict_if ... ok
[INFO] [stdout] test test::lax_if ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mgt
[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] running `Command { std: "docker" "inspect" "7edd11bbb36b46d955fdaf1af60f8475fa5a6ffee954ed6eb8e49de33aa33b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7edd11bbb36b46d955fdaf1af60f8475fa5a6ffee954ed6eb8e49de33aa33b1e", kill_on_drop: false }`
[INFO] [stdout] 7edd11bbb36b46d955fdaf1af60f8475fa5a6ffee954ed6eb8e49de33aa33b1e