[INFO] fetching crate selium-log 0.1.0...
[INFO] checking selium-log-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate selium-log 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate selium-log 0.1.0
[INFO] finished tweaking crates.io crate selium-log 0.1.0
[INFO] tweaked toml for crates.io crate selium-log 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate selium-log 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate selium-log 0.1.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crc32c v0.6.5
[INFO] [stderr]   Downloaded deunicode v1.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ec3903a72dee062982ce178b70c1156b13a1f36505755f32c741ffab4e777e0
[INFO] running `Command { std: "docker" "start" "-a" "0ec3903a72dee062982ce178b70c1156b13a1f36505755f32c741ffab4e777e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ec3903a72dee062982ce178b70c1156b13a1f36505755f32c741ffab4e777e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ec3903a72dee062982ce178b70c1156b13a1f36505755f32c741ffab4e777e0", kill_on_drop: false }`
[INFO] [stdout] 0ec3903a72dee062982ce178b70c1156b13a1f36505755f32c741ffab4e777e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5abb950b2101f0477a142d4b76e0fa1c62cb861afa64c20b06df784f66e71b57
[INFO] running `Command { std: "docker" "start" "-a" "5abb950b2101f0477a142d4b76e0fa1c62cb861afa64c20b06df784f66e71b57", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]    Compiling thiserror v1.0.51
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking deunicode v1.4.2
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking crossbeam-epoch v0.9.16
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling syn v2.0.49
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]    Compiling crc32c v0.6.5
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]     Checking rayon-core v1.12.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking fake v2.9.2
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.51
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking tokio v1.36.0
[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 tokio-util v0.7.10
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking selium-log v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/read_benchmark.rs:48:27
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 while let Some(next) = iterator.next().await {
[INFO] [stdout]    |                           ^^^^^^^^^^   --------------------- this expression has type `Result<Option<Message>, LogError>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           expected `Result<Option<Message>, LogError>`, found `Option<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<Option<Message>, LogError>`
[INFO] [stdout]               found enum `Option<_>`
[INFO] [stdout] help: try wrapping the pattern in `Ok`
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 while let Ok(Some(next)) = iterator.next().await {
[INFO] [stdout]    |                           +++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `selium-log` (bench "read_benchmark") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5abb950b2101f0477a142d4b76e0fa1c62cb861afa64c20b06df784f66e71b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5abb950b2101f0477a142d4b76e0fa1c62cb861afa64c20b06df784f66e71b57", kill_on_drop: false }`
[INFO] [stdout] 5abb950b2101f0477a142d4b76e0fa1c62cb861afa64c20b06df784f66e71b57