[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 try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmollot%2Fletter-c" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bmollot/letter-c on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-13/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 531df02d686ca66c76fde5746ea90f696a3b1631a54f34fa4184899fcbf484a7
[INFO] running `Command { std: "docker" "start" "-a" "531df02d686ca66c76fde5746ea90f696a3b1631a54f34fa4184899fcbf484a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "531df02d686ca66c76fde5746ea90f696a3b1631a54f34fa4184899fcbf484a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "531df02d686ca66c76fde5746ea90f696a3b1631a54f34fa4184899fcbf484a7", kill_on_drop: false }`
[INFO] [stdout] 531df02d686ca66c76fde5746ea90f696a3b1631a54f34fa4184899fcbf484a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09ddff19b3b4a257c8e24cd696746b22196d3d1c7c33ae3ab92644cdcb45c531
[INFO] running `Command { std: "docker" "start" "-a" "09ddff19b3b4a257c8e24cd696746b22196d3d1c7c33ae3ab92644cdcb45c531", 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 0.71s
[INFO] running `Command { std: "docker" "inspect" "09ddff19b3b4a257c8e24cd696746b22196d3d1c7c33ae3ab92644cdcb45c531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ddff19b3b4a257c8e24cd696746b22196d3d1c7c33ae3ab92644cdcb45c531", kill_on_drop: false }`
[INFO] [stdout] 09ddff19b3b4a257c8e24cd696746b22196d3d1c7c33ae3ab92644cdcb45c531
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e909d18abb1e7432efdb50dc9072ec7ccf6394b677d1571839b9d38be4df6d85
[INFO] running `Command { std: "docker" "start" "-a" "e909d18abb1e7432efdb50dc9072ec7ccf6394b677d1571839b9d38be4df6d85", 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] [stderr]    Compiling letter-c v0.1.0 (/opt/rustwide/workdir)
[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] [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 0.63s
[INFO] running `Command { std: "docker" "inspect" "e909d18abb1e7432efdb50dc9072ec7ccf6394b677d1571839b9d38be4df6d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e909d18abb1e7432efdb50dc9072ec7ccf6394b677d1571839b9d38be4df6d85", kill_on_drop: false }`
[INFO] [stdout] e909d18abb1e7432efdb50dc9072ec7ccf6394b677d1571839b9d38be4df6d85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b05c6631dad9a7e4230ae78cbda4b68c5bc81068d4145e6d4be806a412fd6e8
[INFO] running `Command { std: "docker" "start" "-a" "8b05c6631dad9a7e4230ae78cbda4b68c5bc81068d4145e6d4be806a412fd6e8", 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: `letter-c` (lib) generated 2 warnings
[INFO] [stderr] warning: `letter-c` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/letter_c-e91a740d92ec3300)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/letter_c-51231e698ddafd52)
[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] [stderr]    Doc-tests letter_c
[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" "8b05c6631dad9a7e4230ae78cbda4b68c5bc81068d4145e6d4be806a412fd6e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b05c6631dad9a7e4230ae78cbda4b68c5bc81068d4145e6d4be806a412fd6e8", kill_on_drop: false }`
[INFO] [stdout] 8b05c6631dad9a7e4230ae78cbda4b68c5bc81068d4145e6d4be806a412fd6e8