[INFO] cloning repository https://github.com/bmollot/letter-c
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bmollot/letter-c" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmollot%2Fletter-c", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmollot%2Fletter-c'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edb13f1cf18788bcee1810a9cc2b8a7d0d49db84
[INFO] testing bmollot/letter-c against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmollot%2Fletter-c" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bmollot/letter-c on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bmollot/letter-c
[INFO] finished tweaking git repo https://github.com/bmollot/letter-c
[INFO] tweaked toml for git repo https://github.com/bmollot/letter-c written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/bmollot/letter-c already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d5d11041d7363b42ce03d772b0789ee897601aa92f14b6a08306553b3281de7b
[INFO] running `Command { std: "docker" "start" "-a" "d5d11041d7363b42ce03d772b0789ee897601aa92f14b6a08306553b3281de7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5d11041d7363b42ce03d772b0789ee897601aa92f14b6a08306553b3281de7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d11041d7363b42ce03d772b0789ee897601aa92f14b6a08306553b3281de7b", kill_on_drop: false }`
[INFO] [stdout] d5d11041d7363b42ce03d772b0789ee897601aa92f14b6a08306553b3281de7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 378cbb5082be25308090ade8c6d60bd37df47e6a91854a28d75c94fb0556db1e
[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" "378cbb5082be25308090ade8c6d60bd37df47e6a91854a28d75c94fb0556db1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling letter-c v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `QuarterDot`
[INFO] [stdout]   --> src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     QuarterDot,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MEGALOVANIA_RAW`
[INFO] [stdout]    --> src/lib.rs:245:5
[INFO] [stdout]     |
[INFO] [stdout] 245 | /     const MEGALOVANIA_RAW: &'static str = "5|--d---------------d-------|
[INFO] [stdout] 246 | | 4|dd--a--G-g-f-dfgcc--a--G-g|
[INFO] [stdout] 247 | |
[INFO] [stdout] 248 | | 5|--------d---------------d-|
[INFO] [stdout] ...   |
[INFO] [stdout] 351 | | 5|------------d-------------|
[INFO] [stdout] 352 | | 4|-G-g-f-dfgcc--a--G-g-f-dfg|";
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "378cbb5082be25308090ade8c6d60bd37df47e6a91854a28d75c94fb0556db1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "378cbb5082be25308090ade8c6d60bd37df47e6a91854a28d75c94fb0556db1e", kill_on_drop: false }`
[INFO] [stdout] 378cbb5082be25308090ade8c6d60bd37df47e6a91854a28d75c94fb0556db1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b844af1f8e73a70412e079d2189659ea63320b5876bf24c283871a01d52c5a1
[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" "5b844af1f8e73a70412e079d2189659ea63320b5876bf24c283871a01d52c5a1", kill_on_drop: false }`
[INFO] [stdout] warning: variant is never constructed: `QuarterDot`
[INFO] [stdout]   --> src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     QuarterDot,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MEGALOVANIA_RAW`
[INFO] [stdout]    --> src/lib.rs:245:5
[INFO] [stdout]     |
[INFO] [stdout] 245 | /     const MEGALOVANIA_RAW: &'static str = "5|--d---------------d-------|
[INFO] [stdout] 246 | | 4|dd--a--G-g-f-dfgcc--a--G-g|
[INFO] [stdout] 247 | |
[INFO] [stdout] 248 | | 5|--------d---------------d-|
[INFO] [stdout] ...   |
[INFO] [stdout] 351 | | 5|------------d-------------|
[INFO] [stdout] 352 | | 4|-G-g-f-dfgcc--a--G-g-f-dfg|";
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling letter-c v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `QuarterDot`
[INFO] [stdout]   --> src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     QuarterDot,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 1.96s
[INFO] running `Command { std: "docker" "inspect" "5b844af1f8e73a70412e079d2189659ea63320b5876bf24c283871a01d52c5a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b844af1f8e73a70412e079d2189659ea63320b5876bf24c283871a01d52c5a1", kill_on_drop: false }`
[INFO] [stdout] 5b844af1f8e73a70412e079d2189659ea63320b5876bf24c283871a01d52c5a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1424774b9a669e20b70d7fcf1c10db43ef86522f98e31fa237c1ea14c6a6cbb2
[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" "1424774b9a669e20b70d7fcf1c10db43ef86522f98e31fa237c1ea14c6a6cbb2", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `QuarterDot`
[INFO] [stderr]   --> src/lib.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     QuarterDot,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MEGALOVANIA_RAW`
[INFO] [stderr]    --> src/lib.rs:245:5
[INFO] [stderr]     |
[INFO] [stderr] 245 | /     const MEGALOVANIA_RAW: &'static str = "5|--d---------------d-------|
[INFO] [stderr] 246 | | 4|dd--a--G-g-f-dfgcc--a--G-g|
[INFO] [stderr] 247 | |
[INFO] [stderr] 248 | | 5|--------d---------------d-|
[INFO] [stderr] ...   |
[INFO] [stderr] 351 | | 5|------------d-------------|
[INFO] [stderr] 352 | | 4|-G-g-f-dfgcc--a--G-g-f-dfg|";
[INFO] [stderr]     | |_______________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QuarterDot`
[INFO] [stderr]   --> src/lib.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     QuarterDot,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/letter_c-e96b871522e282ce
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_megalovania ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/letter_c-326a037e7d99f0c2
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests letter_c
[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] [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" "1424774b9a669e20b70d7fcf1c10db43ef86522f98e31fa237c1ea14c6a6cbb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1424774b9a669e20b70d7fcf1c10db43ef86522f98e31fa237c1ea14c6a6cbb2", kill_on_drop: false }`
[INFO] [stdout] 1424774b9a669e20b70d7fcf1c10db43ef86522f98e31fa237c1ea14c6a6cbb2