[INFO] cloning repository https://github.com/dhylands/usb-ser-mon-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dhylands/usb-ser-mon-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhylands%2Fusb-ser-mon-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhylands%2Fusb-ser-mon-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a43047e55b8069a482370cf3d8cc9f1a822075dc
[INFO] checking dhylands/usb-ser-mon-rs against try#47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268 for pr-149058
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhylands%2Fusb-ser-mon-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dhylands/usb-ser-mon-rs
[INFO] finished tweaking git repo https://github.com/dhylands/usb-ser-mon-rs
[INFO] tweaked toml for git repo https://github.com/dhylands/usb-ser-mon-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dhylands/usb-ser-mon-rs on toolchain 47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dhylands/usb-ser-mon-rs 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" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking dhylands/usb-ser-mon-rs against try#47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268 for pr-149058
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhylands%2Fusb-ser-mon-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dhylands/usb-ser-mon-rs
[INFO] finished tweaking git repo https://github.com/dhylands/usb-ser-mon-rs
[INFO] tweaked toml for git repo https://github.com/dhylands/usb-ser-mon-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dhylands/usb-ser-mon-rs on toolchain 47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dhylands/usb-ser-mon-rs 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" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wildmatch v2.3.4
[INFO] [stderr]   Downloaded serialport v4.5.0
[INFO] [stderr]   Downloaded libudev v0.3.0
[INFO] [stderr]   Downloaded tokio-serial v5.4.4
[INFO] [stderr]   Downloaded unescaper v0.1.5
[INFO] [stderr]   Downloaded pin-project-internal v1.0.3
[INFO] [stderr]   Downloaded pin-project v1.0.3
[INFO] [stderr]   Downloaded mio-serial v5.0.5
[INFO] [stderr]   Downloaded cc v1.1.8
[INFO] [stderr]   Downloaded syn v2.0.72
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d8f5bec19c47d28f46bc76df1304b8a52bf9636a82e2a1d83277a51767e995d
[INFO] running `Command { std: "docker" "start" "-a" "7d8f5bec19c47d28f46bc76df1304b8a52bf9636a82e2a1d83277a51767e995d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d8f5bec19c47d28f46bc76df1304b8a52bf9636a82e2a1d83277a51767e995d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d8f5bec19c47d28f46bc76df1304b8a52bf9636a82e2a1d83277a51767e995d", kill_on_drop: false }`
[INFO] [stdout] 7d8f5bec19c47d28f46bc76df1304b8a52bf9636a82e2a1d83277a51767e995d
[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=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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb55e9d30a5ca1464a8639de6bff27c627c0468fcafabdcb10c8ef944c6ac1e4
[INFO] running `Command { std: "docker" "start" "-a" "bb55e9d30a5ca1464a8639de6bff27c627c0468fcafabdcb10c8ef944c6ac1e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking lock_api v0.4.12
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking wildmatch v2.3.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v1.0.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]     Checking crossterm v0.28.1
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.39
[INFO] [stderr]    Compiling pin-project-internal v1.0.3
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking tokio v1.39.2
[INFO] [stderr]     Checking pin-project v1.0.3
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking unescaper v0.1.5
[INFO] [stderr]     Checking serialport v4.5.0
[INFO] [stderr]     Checking mio-serial v5.0.5
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking tokio-serial v5.4.4
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking serial-monitor v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `&u8: Default` is not satisfied
[INFO] [stdout]   --> src/string_decoder.rs:58:54
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 buf[*index] = src.split_to(1).get(0).unwrap_or_default();
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^ the trait `Default` is not implemented for `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `Default` is implemented for `u8`
[INFO] [stdout]   --> /rustc/47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268/library/core/src/default.rs:170:0
[INFO] [stdout] note: required by a bound in `Option::<T>::unwrap_or_default`
[INFO] [stdout]   --> /rustc/47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268/library/core/src/option.rs:1093:4
[INFO] [stdout]    = note: this error originates in the macro `default_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider removing this method call, as the receiver has type `BytesMut` and `BytesMut: Default` trivially holds
[INFO] [stdout]    |
[INFO] [stdout] 58 -                 buf[*index] = src.split_to(1).get(0).unwrap_or_default();
[INFO] [stdout] 58 +                 buf[*index] = src.split_to(1).unwrap_or_default();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&u8: Default` is not satisfied
[INFO] [stdout]   --> src/string_decoder.rs:58:54
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 buf[*index] = src.split_to(1).get(0).unwrap_or_default();
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^ the trait `Default` is not implemented for `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `Default` is implemented for `u8`
[INFO] [stdout]   --> /rustc/47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268/library/core/src/default.rs:170:0
[INFO] [stdout] note: required by a bound in `Option::<T>::unwrap_or_default`
[INFO] [stdout]   --> /rustc/47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268/library/core/src/option.rs:1093:4
[INFO] [stdout]    = note: this error originates in the macro `default_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider removing this method call, as the receiver has type `BytesMut` and `BytesMut: Default` trivially holds
[INFO] [stdout]    |
[INFO] [stdout] 58 -                 buf[*index] = src.split_to(1).get(0).unwrap_or_default();
[INFO] [stdout] 58 +                 buf[*index] = src.split_to(1).unwrap_or_default();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/string_decoder.rs:58:31
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 buf[*index] = src.split_to(1).get(0).unwrap_or_default();
[INFO] [stdout]    |                 -----------   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u8`, found `&u8`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 expected due to the type of this binding
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 buf[*index] = *src.split_to(1).get(0).unwrap_or_default();
[INFO] [stdout]    |                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/string_decoder.rs:58:31
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 buf[*index] = src.split_to(1).get(0).unwrap_or_default();
[INFO] [stdout]    |                 -----------   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u8`, found `&u8`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 expected due to the type of this binding
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 buf[*index] = *src.split_to(1).get(0).unwrap_or_default();
[INFO] [stdout]    |                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serial-monitor` (bin "serial-monitor" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `serial-monitor` (bin "serial-monitor") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "bb55e9d30a5ca1464a8639de6bff27c627c0468fcafabdcb10c8ef944c6ac1e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb55e9d30a5ca1464a8639de6bff27c627c0468fcafabdcb10c8ef944c6ac1e4", kill_on_drop: false }`
[INFO] [stdout] bb55e9d30a5ca1464a8639de6bff27c627c0468fcafabdcb10c8ef944c6ac1e4