[INFO] cloning repository https://github.com/codecat-io/serial-gcode-sender
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codecat-io/serial-gcode-sender" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodecat-io%2Fserial-gcode-sender", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodecat-io%2Fserial-gcode-sender'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eebe8e9efe4fdaf298cdad3534810c281b34ca55
[INFO] checking codecat-io/serial-gcode-sender against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodecat-io%2Fserial-gcode-sender" "/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/codecat-io/serial-gcode-sender 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/codecat-io/serial-gcode-sender
[INFO] finished tweaking git repo https://github.com/codecat-io/serial-gcode-sender
[INFO] tweaked toml for git repo https://github.com/codecat-io/serial-gcode-sender written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/codecat-io/serial-gcode-sender 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded reqwest v0.11.8
[INFO] [stderr]   Downloaded cloud-storage v0.10.3
[INFO] [stderr]   Downloaded eyre v0.6.5
[INFO] [stderr]   Downloaded nix v0.16.1
[INFO] [stderr]   Downloaded serialport v4.0.1
[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] 3d6e1909382f4e5f2e19f370a89057961f0473139bfe6829638ec4b3af2a88ef
[INFO] running `Command { std: "docker" "start" "-a" "3d6e1909382f4e5f2e19f370a89057961f0473139bfe6829638ec4b3af2a88ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d6e1909382f4e5f2e19f370a89057961f0473139bfe6829638ec4b3af2a88ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d6e1909382f4e5f2e19f370a89057961f0473139bfe6829638ec4b3af2a88ef", kill_on_drop: false }`
[INFO] [stdout] 3d6e1909382f4e5f2e19f370a89057961f0473139bfe6829638ec4b3af2a88ef
[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] aa2e91f697470ce594da9748ab986c852ddb3c06bc85aa2c5126e2d23463ee41
[INFO] running `Command { std: "docker" "start" "-a" "aa2e91f697470ce594da9748ab986c852ddb3c06bc85aa2c5126e2d23463ee41", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking pem v0.8.3
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking serialport v4.0.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking serial v0.1.0 (/opt/rustwide/workdir/crates/serial)
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.10
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking simple_asn1 v0.4.1
[INFO] [stderr]     Checking jsonwebtoken v7.2.0
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.8
[INFO] [stderr]     Checking cloud-storage v0.10.3
[INFO] [stderr]     Checking gcs v0.1.0 (/opt/rustwide/workdir/crates/gcs)
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]  --> crates/gcs/src/storage.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Box` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]  --> crates/gcs/src/storage.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Box` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking laser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "aa2e91f697470ce594da9748ab986c852ddb3c06bc85aa2c5126e2d23463ee41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa2e91f697470ce594da9748ab986c852ddb3c06bc85aa2c5126e2d23463ee41", kill_on_drop: false }`
[INFO] [stdout] aa2e91f697470ce594da9748ab986c852ddb3c06bc85aa2c5126e2d23463ee41