[INFO] cloning repository https://github.com/BigBIueWhale/serial_router
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BigBIueWhale/serial_router" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBigBIueWhale%2Fserial_router", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBigBIueWhale%2Fserial_router'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed9ce2a82e4aff840a24e586dbbf9cf1907770ac
[INFO] checking BigBIueWhale/serial_router against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBigBIueWhale%2Fserial_router" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BigBIueWhale/serial_router
[INFO] finished tweaking git repo https://github.com/BigBIueWhale/serial_router
[INFO] tweaked toml for git repo https://github.com/BigBIueWhale/serial_router written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BigBIueWhale/serial_router on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BigBIueWhale/serial_router 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7b880aafd3d49f4e5b1c087545e6137b99684b53191ac21c1e257f60bc5edba
[INFO] running `Command { std: "docker" "start" "-a" "f7b880aafd3d49f4e5b1c087545e6137b99684b53191ac21c1e257f60bc5edba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7b880aafd3d49f4e5b1c087545e6137b99684b53191ac21c1e257f60bc5edba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b880aafd3d49f4e5b1c087545e6137b99684b53191ac21c1e257f60bc5edba", kill_on_drop: false }`
[INFO] [stdout] f7b880aafd3d49f4e5b1c087545e6137b99684b53191ac21c1e257f60bc5edba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 744bf64ce8b1ba0c0918e2bb005e206a3f817ac0c8b9cfe0299d3fbe42738c51
[INFO] running `Command { std: "docker" "start" "-a" "744bf64ce8b1ba0c0918e2bb005e206a3f817ac0c8b9cfe0299d3fbe42738c51", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling thiserror v1.0.59
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.59
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.200
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking unescaper v0.1.4
[INFO] [stderr]     Checking serialport v4.3.0
[INFO] [stderr]     Checking mio-serial v5.0.5
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-serial v5.4.4
[INFO] [stderr]     Checking serial_router v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `base64::engine::general_purpose::STANDARD`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use base64::engine::general_purpose::STANDARD;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `base64::Engine`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use base64::Engine;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `base64::engine::general_purpose::STANDARD`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use base64::engine::general_purpose::STANDARD;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `base64::Engine`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use base64::Engine;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.85s
[INFO] running `Command { std: "docker" "inspect" "744bf64ce8b1ba0c0918e2bb005e206a3f817ac0c8b9cfe0299d3fbe42738c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744bf64ce8b1ba0c0918e2bb005e206a3f817ac0c8b9cfe0299d3fbe42738c51", kill_on_drop: false }`
[INFO] [stdout] 744bf64ce8b1ba0c0918e2bb005e206a3f817ac0c8b9cfe0299d3fbe42738c51