[INFO] cloning repository https://github.com/funbringer/rust-hkt-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/funbringer/rust-hkt-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunbringer%2Frust-hkt-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunbringer%2Frust-hkt-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c295a70108b4cb0becf5710c93f82575999a52d
[INFO] checking funbringer/rust-hkt-playground against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunbringer%2Frust-hkt-playground" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/funbringer/rust-hkt-playground on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/funbringer/rust-hkt-playground
[INFO] finished tweaking git repo https://github.com/funbringer/rust-hkt-playground
[INFO] tweaked toml for git repo https://github.com/funbringer/rust-hkt-playground written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/funbringer/rust-hkt-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] e1c6780aa49d5053dfff15a4a57da18fba71a628d10718c6c7e2ee095331ff33
[INFO] running `Command { std: "docker" "start" "-a" "e1c6780aa49d5053dfff15a4a57da18fba71a628d10718c6c7e2ee095331ff33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1c6780aa49d5053dfff15a4a57da18fba71a628d10718c6c7e2ee095331ff33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1c6780aa49d5053dfff15a4a57da18fba71a628d10718c6c7e2ee095331ff33", kill_on_drop: false }`
[INFO] [stdout] e1c6780aa49d5053dfff15a4a57da18fba71a628d10718c6c7e2ee095331ff33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c0f78edad33bf6b144bb4d550bd075f16518c4c89737b1e3ab4400eaa7c8170
[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" "4c0f78edad33bf6b144bb4d550bd075f16518c4c89737b1e3ab4400eaa7c8170", kill_on_drop: false }`
[INFO] [stderr]     Checking demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `assert_matches` in this scope
[INFO] [stdout]    --> src/functor.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         assert_matches!(value.as_deref(), Some("100"));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing one of these items:
[INFO] [stdout]             core::assert_matches::assert_matches
[INFO] [stdout]             std::assert_matches::assert_matches
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `assert_matches` in this scope
[INFO] [stdout]    --> src/functor.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         assert_matches!(value.as_deref(), Ok("100"));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing one of these items:
[INFO] [stdout]             core::assert_matches::assert_matches
[INFO] [stdout]             std::assert_matches::assert_matches
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `assert_matches` in this scope
[INFO] [stdout]    --> src/functor.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |         assert_matches!(value, Err(()));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing one of these items:
[INFO] [stdout]             core::assert_matches::assert_matches
[INFO] [stdout]             std::assert_matches::assert_matches
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `assert_matches` in this scope
[INFO] [stdout]    --> src/functor.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         assert_matches!(value, []);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing one of these items:
[INFO] [stdout]             core::assert_matches::assert_matches
[INFO] [stdout]             std::assert_matches::assert_matches
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `assert_matches` in this scope
[INFO] [stdout]    --> src/functor.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         assert_matches!(value[0].as_ref(), "kek");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing one of these items:
[INFO] [stdout]             core::assert_matches::assert_matches
[INFO] [stdout]             std::assert_matches::assert_matches
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `assert_matches` in this scope
[INFO] [stdout]    --> src/functor.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         assert_matches!(value[&1].as_ref(), "foo");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing one of these items:
[INFO] [stdout]             core::assert_matches::assert_matches
[INFO] [stdout]             std::assert_matches::assert_matches
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `assert_matches` in this scope
[INFO] [stdout]    --> src/functor.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |         assert_matches!(value[&2].as_ref(), "bar");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing one of these items:
[INFO] [stdout]             core::assert_matches::assert_matches
[INFO] [stdout]             std::assert_matches::assert_matches
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `demo` due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "4c0f78edad33bf6b144bb4d550bd075f16518c4c89737b1e3ab4400eaa7c8170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c0f78edad33bf6b144bb4d550bd075f16518c4c89737b1e3ab4400eaa7c8170", kill_on_drop: false }`
[INFO] [stdout] 4c0f78edad33bf6b144bb4d550bd075f16518c4c89737b1e3ab4400eaa7c8170