[INFO] cloning repository https://github.com/Cobord/EventEmit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cobord/EventEmit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCobord%2FEventEmit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCobord%2FEventEmit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6d76e0a64480935732d1a0d037e4e90ed357a5e
[INFO] checking Cobord/EventEmit against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCobord%2FEventEmit" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cobord/EventEmit on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Cobord/EventEmit
[INFO] finished tweaking git repo https://github.com/Cobord/EventEmit
[INFO] tweaked toml for git repo https://github.com/Cobord/EventEmit written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Cobord/EventEmit 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-test v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08287159054d0c5eb84463d31c932160faf6f97a193a98b59ea9c3b76c8c58ef
[INFO] running `Command { std: "docker" "start" "-a" "08287159054d0c5eb84463d31c932160faf6f97a193a98b59ea9c3b76c8c58ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08287159054d0c5eb84463d31c932160faf6f97a193a98b59ea9c3b76c8c58ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08287159054d0c5eb84463d31c932160faf6f97a193a98b59ea9c3b76c8c58ef", kill_on_drop: false }`
[INFO] [stdout] 08287159054d0c5eb84463d31c932160faf6f97a193a98b59ea9c3b76c8c58ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a5d0e14f0152b80a038282c5f06ef845dd49cf4053f570d5c2ed6fe15b08ee3
[INFO] running `Command { std: "docker" "start" "-a" "3a5d0e14f0152b80a038282c5f06ef845dd49cf4053f570d5c2ed6fe15b08ee3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking regex-automata v0.3.3
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio-test v0.4.3
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking event_emitter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.04s
[INFO] running `Command { std: "docker" "inspect" "3a5d0e14f0152b80a038282c5f06ef845dd49cf4053f570d5c2ed6fe15b08ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a5d0e14f0152b80a038282c5f06ef845dd49cf4053f570d5c2ed6fe15b08ee3", kill_on_drop: false }`
[INFO] [stdout] 3a5d0e14f0152b80a038282c5f06ef845dd49cf4053f570d5c2ed6fe15b08ee3
[INFO] checking Cobord/EventEmit against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCobord%2FEventEmit" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cobord/EventEmit on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Cobord/EventEmit
[INFO] finished tweaking git repo https://github.com/Cobord/EventEmit
[INFO] tweaked toml for git repo https://github.com/Cobord/EventEmit written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Cobord/EventEmit 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ced054f519fed24fa1003d77a8380805653f3ef4a1333550a71b96d28596d1e
[INFO] running `Command { std: "docker" "start" "-a" "7ced054f519fed24fa1003d77a8380805653f3ef4a1333550a71b96d28596d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ced054f519fed24fa1003d77a8380805653f3ef4a1333550a71b96d28596d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ced054f519fed24fa1003d77a8380805653f3ef4a1333550a71b96d28596d1e", kill_on_drop: false }`
[INFO] [stdout] 7ced054f519fed24fa1003d77a8380805653f3ef4a1333550a71b96d28596d1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fec67f65ebe82cb3ef8e3bde670707914d1beadfd8f954573a85ccbf4f391a2
[INFO] running `Command { std: "docker" "start" "-a" "3fec67f65ebe82cb3ef8e3bde670707914d1beadfd8f954573a85ccbf4f391a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking regex-automata v0.3.3
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio-test v0.4.3
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking event_emitter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.05s
[INFO] running `Command { std: "docker" "inspect" "3fec67f65ebe82cb3ef8e3bde670707914d1beadfd8f954573a85ccbf4f391a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fec67f65ebe82cb3ef8e3bde670707914d1beadfd8f954573a85ccbf4f391a2", kill_on_drop: false }`
[INFO] [stdout] 3fec67f65ebe82cb3ef8e3bde670707914d1beadfd8f954573a85ccbf4f391a2