[INFO] cloning repository https://github.com/lepelog/thrill-digger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lepelog/thrill-digger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flepelog%2Fthrill-digger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flepelog%2Fthrill-digger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 021e19154279b61eec840687da85a465579eaa94
[INFO] testing lepelog/thrill-digger against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flepelog%2Fthrill-digger" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lepelog/thrill-digger on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lepelog/thrill-digger
[INFO] finished tweaking git repo https://github.com/lepelog/thrill-digger
[INFO] tweaked toml for git repo https://github.com/lepelog/thrill-digger written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lepelog/thrill-digger already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1841c01d31103a30d714bd09f37cc12491a08d4a29e52990f22e610f21c2f385
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1841c01d31103a30d714bd09f37cc12491a08d4a29e52990f22e610f21c2f385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1841c01d31103a30d714bd09f37cc12491a08d4a29e52990f22e610f21c2f385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1841c01d31103a30d714bd09f37cc12491a08d4a29e52990f22e610f21c2f385", kill_on_drop: false }`
[INFO] [stdout] 1841c01d31103a30d714bd09f37cc12491a08d4a29e52990f22e610f21c2f385
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95e1277a7f8491cece82e85b0d67c825e993e0ef05051516401fc1d96bc51676
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "95e1277a7f8491cece82e85b0d67c825e993e0ef05051516401fc1d96bc51676", kill_on_drop: false }`
[INFO] [stderr]    Compiling ss-rng v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `rng_call_distance`
[INFO] [stdout]   --> src/main.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn rng_call_distance(&mut self, start: u32, end: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_state`
[INFO] [stdout]   --> src/main.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn set_state(&mut self, new_state: u32) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Beginner`
[INFO] [stdout]   --> src/main.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     Beginner,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expert`
[INFO] [stdout]   --> src/main.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     Expert,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "95e1277a7f8491cece82e85b0d67c825e993e0ef05051516401fc1d96bc51676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e1277a7f8491cece82e85b0d67c825e993e0ef05051516401fc1d96bc51676", kill_on_drop: false }`
[INFO] [stdout] 95e1277a7f8491cece82e85b0d67c825e993e0ef05051516401fc1d96bc51676
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0523f938240e67e13373afd73a35aa83c8dd5b9109d33998c5528d752558306a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0523f938240e67e13373afd73a35aa83c8dd5b9109d33998c5528d752558306a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ss-rng v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `rng_call_distance`
[INFO] [stdout]   --> src/main.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn rng_call_distance(&mut self, start: u32, end: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_state`
[INFO] [stdout]   --> src/main.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn set_state(&mut self, new_state: u32) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Beginner`
[INFO] [stdout]   --> src/main.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     Beginner,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expert`
[INFO] [stdout]   --> src/main.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     Expert,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "0523f938240e67e13373afd73a35aa83c8dd5b9109d33998c5528d752558306a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0523f938240e67e13373afd73a35aa83c8dd5b9109d33998c5528d752558306a", kill_on_drop: false }`
[INFO] [stdout] 0523f938240e67e13373afd73a35aa83c8dd5b9109d33998c5528d752558306a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 54eb670565806b0fe61e89b1cf86e0a151a86cb8162aa3f116697fae3754f12d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "54eb670565806b0fe61e89b1cf86e0a151a86cb8162aa3f116697fae3754f12d", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `rng_call_distance`
[INFO] [stderr]   --> src/main.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn rng_call_distance(&mut self, start: u32, end: u32) -> u32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_state`
[INFO] [stderr]   --> src/main.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn set_state(&mut self, new_state: u32) {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Beginner`
[INFO] [stderr]   --> src/main.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     Beginner,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expert`
[INFO] [stderr]   --> src/main.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     Expert,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ss_rng-fc358595d54a3c4a
[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 `Command { std: "docker" "inspect" "54eb670565806b0fe61e89b1cf86e0a151a86cb8162aa3f116697fae3754f12d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54eb670565806b0fe61e89b1cf86e0a151a86cb8162aa3f116697fae3754f12d", kill_on_drop: false }`
[INFO] [stdout] 54eb670565806b0fe61e89b1cf86e0a151a86cb8162aa3f116697fae3754f12d