[INFO] cloning repository https://github.com/ea5583903/Encoder-
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ea5583903/Encoder-" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fea5583903%2FEncoder-", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fea5583903%2FEncoder-'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9ffd470a6834302d0e6ce17c8feeb47aa6fb5eb
[INFO] testing ea5583903/Encoder- against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fea5583903%2FEncoder-" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ea5583903/Encoder-
[INFO] finished tweaking git repo https://github.com/ea5583903/Encoder-
[INFO] tweaked toml for git repo https://github.com/ea5583903/Encoder- written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ea5583903/Encoder- on toolchain b8e88e5ddf5521a9f43ee3f62a702388c713e4bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ea5583903/Encoder- 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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc78e3df102eecabb48484cc0d0becad538ba5c968b402f32e54894617d3f925
[INFO] running `Command { std: "docker" "start" "-a" "fc78e3df102eecabb48484cc0d0becad538ba5c968b402f32e54894617d3f925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc78e3df102eecabb48484cc0d0becad538ba5c968b402f32e54894617d3f925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc78e3df102eecabb48484cc0d0becad538ba5c968b402f32e54894617d3f925", kill_on_drop: false }`
[INFO] [stdout] fc78e3df102eecabb48484cc0d0becad538ba5c968b402f32e54894617d3f925
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ca14e979b5a8c6fd5ea4dc9d905462066f9a19068936a9b01c75ffd19011a6d
[INFO] running `Command { std: "docker" "start" "-a" "5ca14e979b5a8c6fd5ea4dc9d905462066f9a19068936a9b01c75ffd19011a6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling den v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/decoder.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     IoError(std::io::Error),
[INFO] [stdout]    |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DecodeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     IoError(std::io::Error),
[INFO] [stdout] 10 +     IoError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "5ca14e979b5a8c6fd5ea4dc9d905462066f9a19068936a9b01c75ffd19011a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ca14e979b5a8c6fd5ea4dc9d905462066f9a19068936a9b01c75ffd19011a6d", kill_on_drop: false }`
[INFO] [stdout] 5ca14e979b5a8c6fd5ea4dc9d905462066f9a19068936a9b01c75ffd19011a6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0500a9a743d378398d8596b4ff82c22cf8ad77c329a1d52133a1e75d5476592
[INFO] running `Command { std: "docker" "start" "-a" "f0500a9a743d378398d8596b4ff82c22cf8ad77c329a1d52133a1e75d5476592", kill_on_drop: false }`
[INFO] [stderr]    Compiling den v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/decoder.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     IoError(std::io::Error),
[INFO] [stdout]    |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DecodeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     IoError(std::io::Error),
[INFO] [stdout] 10 +     IoError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "f0500a9a743d378398d8596b4ff82c22cf8ad77c329a1d52133a1e75d5476592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0500a9a743d378398d8596b4ff82c22cf8ad77c329a1d52133a1e75d5476592", kill_on_drop: false }`
[INFO] [stdout] f0500a9a743d378398d8596b4ff82c22cf8ad77c329a1d52133a1e75d5476592
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 89daf5a668a755f5e7edc0f4f0b42411da1b40bee148ba1e3ece43fe972c9485
[INFO] running `Command { std: "docker" "start" "-a" "89daf5a668a755f5e7edc0f4f0b42411da1b40bee148ba1e3ece43fe972c9485", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/decoder.rs:10:13
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 10 |     IoError(std::io::Error),
[INFO] [stdout] 
[INFO] [stderr]    |     ------- ^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `DecodeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 10 -     IoError(std::io::Error),
[INFO] [stderr] 10 +     IoError(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `den` (bin "den" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/den-dbe64f92709a83a1)
[INFO] running `Command { std: "docker" "inspect" "89daf5a668a755f5e7edc0f4f0b42411da1b40bee148ba1e3ece43fe972c9485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89daf5a668a755f5e7edc0f4f0b42411da1b40bee148ba1e3ece43fe972c9485", kill_on_drop: false }`
[INFO] [stdout] 89daf5a668a755f5e7edc0f4f0b42411da1b40bee148ba1e3ece43fe972c9485
