[INFO] updating cached repository https://github.com/northbear/rustlk
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3669cdb281ac6b131f35a3c653295edebc4922b9
[INFO] testing northbear/rustlk against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnorthbear%2Frustlk" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/northbear/rustlk on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/northbear/rustlk
[INFO] finished tweaking git repo https://github.com/northbear/rustlk
[INFO] tweaked toml for git repo https://github.com/northbear/rustlk written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/northbear/rustlk already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 9cd6d9591b4909626ecf45b58f3452d25c8b7e42cf3a244e4b9c7476915755f0
[INFO] running `"docker" "start" "-a" "9cd6d9591b4909626ecf45b58f3452d25c8b7e42cf3a244e4b9c7476915755f0"`
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling ctrlc v3.1.1
[INFO] [stderr]    Compiling rustlk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `ConfError`
[INFO] [stderr]   --> src/config.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct ConfError(pub String);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.13s
[INFO] running `"docker" "inspect" "9cd6d9591b4909626ecf45b58f3452d25c8b7e42cf3a244e4b9c7476915755f0"`
[INFO] running `"docker" "rm" "-f" "9cd6d9591b4909626ecf45b58f3452d25c8b7e42cf3a244e4b9c7476915755f0"`
[INFO] [stdout] 9cd6d9591b4909626ecf45b58f3452d25c8b7e42cf3a244e4b9c7476915755f0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0f3fde50f602a0d4c2ebecce3d7dbd6db630fd3779e6dce83d07987f6761ac11
[INFO] running `"docker" "start" "-a" "0f3fde50f602a0d4c2ebecce3d7dbd6db630fd3779e6dce83d07987f6761ac11"`
[INFO] [stderr]    Compiling rustlk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `ConfError`
[INFO] [stderr]   --> src/config.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct ConfError(pub String);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "0f3fde50f602a0d4c2ebecce3d7dbd6db630fd3779e6dce83d07987f6761ac11"`
[INFO] running `"docker" "rm" "-f" "0f3fde50f602a0d4c2ebecce3d7dbd6db630fd3779e6dce83d07987f6761ac11"`
[INFO] [stdout] 0f3fde50f602a0d4c2ebecce3d7dbd6db630fd3779e6dce83d07987f6761ac11
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 745ec9cee476d65f908c2e32650222fed860b47dde3d8deffb3d9e176a363f4f
[INFO] running `"docker" "start" "-a" "745ec9cee476d65f908c2e32650222fed860b47dde3d8deffb3d9e176a363f4f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustlk-b88caafbf23d25b0
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "745ec9cee476d65f908c2e32650222fed860b47dde3d8deffb3d9e176a363f4f"`
[INFO] running `"docker" "rm" "-f" "745ec9cee476d65f908c2e32650222fed860b47dde3d8deffb3d9e176a363f4f"`
[INFO] [stdout] 745ec9cee476d65f908c2e32650222fed860b47dde3d8deffb3d9e176a363f4f