[INFO] cloning repository https://github.com/cfsamson/fun-ethernet-frames
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cfsamson/fun-ethernet-frames" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Ffun-ethernet-frames", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Ffun-ethernet-frames'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14a301f04b1c3b0dc479b4baca4ca7191ccc5a04
[INFO] testing cfsamson/fun-ethernet-frames against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Ffun-ethernet-frames" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cfsamson/fun-ethernet-frames on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cfsamson/fun-ethernet-frames
[INFO] finished tweaking git repo https://github.com/cfsamson/fun-ethernet-frames
[INFO] tweaked toml for git repo https://github.com/cfsamson/fun-ethernet-frames written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/cfsamson/fun-ethernet-frames already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad603a79a628233bb6a163169f922bad96cb735a0d36c594176eeee0021c73cb
[INFO] running `Command { std: "docker" "start" "-a" "ad603a79a628233bb6a163169f922bad96cb735a0d36c594176eeee0021c73cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad603a79a628233bb6a163169f922bad96cb735a0d36c594176eeee0021c73cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad603a79a628233bb6a163169f922bad96cb735a0d36c594176eeee0021c73cb", kill_on_drop: false }`
[INFO] [stdout] ad603a79a628233bb6a163169f922bad96cb735a0d36c594176eeee0021c73cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ad71bfcccd39d28ead72a311ba4b45243ce9e3636c858682b61df8a33f975ac
[INFO] running `Command { std: "docker" "start" "-a" "5ad71bfcccd39d28ead72a311ba4b45243ce9e3636c858682b61df8a33f975ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling ethernet_decoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `default`
[INFO] [stdout]  --> src/main.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::TryInto, default, mem, vec};
[INFO] [stdout]   |                             ^^^^^^^
[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]     Finished dev [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `Command { std: "docker" "inspect" "5ad71bfcccd39d28ead72a311ba4b45243ce9e3636c858682b61df8a33f975ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ad71bfcccd39d28ead72a311ba4b45243ce9e3636c858682b61df8a33f975ac", kill_on_drop: false }`
[INFO] [stdout] 5ad71bfcccd39d28ead72a311ba4b45243ce9e3636c858682b61df8a33f975ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc59d21d60614caab1aa7327b1e5facb169ab5557e8e3ea35fb3506810ece0ec
[INFO] running `Command { std: "docker" "start" "-a" "fc59d21d60614caab1aa7327b1e5facb169ab5557e8e3ea35fb3506810ece0ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling ethernet_decoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `default`
[INFO] [stdout]  --> src/main.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::TryInto, default, mem, vec};
[INFO] [stdout]   |                             ^^^^^^^
[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]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "fc59d21d60614caab1aa7327b1e5facb169ab5557e8e3ea35fb3506810ece0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc59d21d60614caab1aa7327b1e5facb169ab5557e8e3ea35fb3506810ece0ec", kill_on_drop: false }`
[INFO] [stdout] fc59d21d60614caab1aa7327b1e5facb169ab5557e8e3ea35fb3506810ece0ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17ed52497f88ec54282ec5194d09b84bab996a4eb7536573fe761d84a3c2825a
[INFO] running `Command { std: "docker" "start" "-a" "17ed52497f88ec54282ec5194d09b84bab996a4eb7536573fe761d84a3c2825a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `default`
[INFO] [stderr]  --> src/main.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{convert::TryInto, default, mem, vec};
[INFO] [stderr]   |                             ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ethernet_decoder` (bin "ethernet_decoder" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.93s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ethernet_decoder-fcc71eff50d7f1cd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "17ed52497f88ec54282ec5194d09b84bab996a4eb7536573fe761d84a3c2825a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ed52497f88ec54282ec5194d09b84bab996a4eb7536573fe761d84a3c2825a", kill_on_drop: false }`
[INFO] [stdout] 17ed52497f88ec54282ec5194d09b84bab996a4eb7536573fe761d84a3c2825a