[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 master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunbringer%2Frust-hkt-playground" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/funbringer/rust-hkt-playground on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/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-4-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2a2336adcb96525f9821d6ea1cf11fb0cc9181e148ba26526bcf1d113ff53ea
[INFO] running `Command { std: "docker" "start" "-a" "d2a2336adcb96525f9821d6ea1cf11fb0cc9181e148ba26526bcf1d113ff53ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2a2336adcb96525f9821d6ea1cf11fb0cc9181e148ba26526bcf1d113ff53ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a2336adcb96525f9821d6ea1cf11fb0cc9181e148ba26526bcf1d113ff53ea", kill_on_drop: false }`
[INFO] [stdout] d2a2336adcb96525f9821d6ea1cf11fb0cc9181e148ba26526bcf1d113ff53ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f721bfc0df908645cc1f4af984b90a2e346c0a077802f73ad3f409ba4b95a96
[INFO] running `Command { std: "docker" "start" "-a" "4f721bfc0df908645cc1f4af984b90a2e346c0a077802f73ad3f409ba4b95a96", 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] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 124 +     use core::assert_matches::assert_matches;
[INFO] [stdout]     |
[INFO] [stdout] 124 +     use std::assert_matches::assert_matches;
[INFO] [stdout]     |
[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] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 124 +     use core::assert_matches::assert_matches;
[INFO] [stdout]     |
[INFO] [stdout] 124 +     use std::assert_matches::assert_matches;
[INFO] [stdout]     |
[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] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 124 +     use core::assert_matches::assert_matches;
[INFO] [stdout]     |
[INFO] [stdout] 124 +     use std::assert_matches::assert_matches;
[INFO] [stdout]     |
[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] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 124 +     use core::assert_matches::assert_matches;
[INFO] [stdout]     |
[INFO] [stdout] 124 +     use std::assert_matches::assert_matches;
[INFO] [stdout]     |
[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] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 124 +     use core::assert_matches::assert_matches;
[INFO] [stdout]     |
[INFO] [stdout] 124 +     use std::assert_matches::assert_matches;
[INFO] [stdout]     |
[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] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 124 +     use core::assert_matches::assert_matches;
[INFO] [stdout]     |
[INFO] [stdout] 124 +     use std::assert_matches::assert_matches;
[INFO] [stdout]     |
[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] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 124 +     use core::assert_matches::assert_matches;
[INFO] [stdout]     |
[INFO] [stdout] 124 +     use std::assert_matches::assert_matches;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `demo` (lib test) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "4f721bfc0df908645cc1f4af984b90a2e346c0a077802f73ad3f409ba4b95a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f721bfc0df908645cc1f4af984b90a2e346c0a077802f73ad3f409ba4b95a96", kill_on_drop: false }`
[INFO] [stdout] 4f721bfc0df908645cc1f4af984b90a2e346c0a077802f73ad3f409ba4b95a96
[INFO] checking funbringer/rust-hkt-playground against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunbringer%2Frust-hkt-playground" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/funbringer/rust-hkt-playground on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/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-4-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63f007bbb456b1e9643c9e12fc8db833dc09897c7a969b4f1b2fe745cf58f15b
[INFO] running `Command { std: "docker" "start" "-a" "63f007bbb456b1e9643c9e12fc8db833dc09897c7a969b4f1b2fe745cf58f15b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63f007bbb456b1e9643c9e12fc8db833dc09897c7a969b4f1b2fe745cf58f15b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f007bbb456b1e9643c9e12fc8db833dc09897c7a969b4f1b2fe745cf58f15b", kill_on_drop: false }`
[INFO] [stdout] 63f007bbb456b1e9643c9e12fc8db833dc09897c7a969b4f1b2fe745cf58f15b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 640f5e42ffa2aa8476c2770f86cf764cc6d8e3e9b8d5840507e9ff5c93f3d4c2
[INFO] running `Command { std: "docker" "start" "-a" "640f5e42ffa2aa8476c2770f86cf764cc6d8e3e9b8d5840507e9ff5c93f3d4c2", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "640f5e42ffa2aa8476c2770f86cf764cc6d8e3e9b8d5840507e9ff5c93f3d4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640f5e42ffa2aa8476c2770f86cf764cc6d8e3e9b8d5840507e9ff5c93f3d4c2", kill_on_drop: false }`
[INFO] [stdout] 640f5e42ffa2aa8476c2770f86cf764cc6d8e3e9b8d5840507e9ff5c93f3d4c2