[INFO] cloning repository https://github.com/olosso/washoe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olosso/washoe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folosso%2Fwashoe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folosso%2Fwashoe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c500584837b58c838ce772dec4765f9faf9cb0a
[INFO] checking olosso/washoe against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folosso%2Fwashoe" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/olosso/washoe on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/olosso/washoe
[INFO] finished tweaking git repo https://github.com/olosso/washoe
[INFO] tweaked toml for git repo https://github.com/olosso/washoe written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/olosso/washoe 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2de562fb7d4b64140fb0a1d01226f8d955c5df23aa600cc78eb9f545ce29dff9
[INFO] running `Command { std: "docker" "start" "-a" "2de562fb7d4b64140fb0a1d01226f8d955c5df23aa600cc78eb9f545ce29dff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2de562fb7d4b64140fb0a1d01226f8d955c5df23aa600cc78eb9f545ce29dff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de562fb7d4b64140fb0a1d01226f8d955c5df23aa600cc78eb9f545ce29dff9", kill_on_drop: false }`
[INFO] [stdout] 2de562fb7d4b64140fb0a1d01226f8d955c5df23aa600cc78eb9f545ce29dff9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aea63427a2d24e6fd98f21d9190173290f12fb6dd1d699267fe721d860979dda
[INFO] running `Command { std: "docker" "start" "-a" "aea63427a2d24e6fd98f21d9190173290f12fb6dd1d699267fe721d860979dda", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "aea63427a2d24e6fd98f21d9190173290f12fb6dd1d699267fe721d860979dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea63427a2d24e6fd98f21d9190173290f12fb6dd1d699267fe721d860979dda", kill_on_drop: false }`
[INFO] [stdout] aea63427a2d24e6fd98f21d9190173290f12fb6dd1d699267fe721d860979dda
[INFO] checking olosso/washoe against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folosso%2Fwashoe" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/olosso/washoe on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/olosso/washoe
[INFO] finished tweaking git repo https://github.com/olosso/washoe
[INFO] tweaked toml for git repo https://github.com/olosso/washoe written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/olosso/washoe 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fea48181d33967a8d2f7cf70dea0e9d2bc5ee7f223385fca11c6148edde40e2
[INFO] running `Command { std: "docker" "start" "-a" "1fea48181d33967a8d2f7cf70dea0e9d2bc5ee7f223385fca11c6148edde40e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fea48181d33967a8d2f7cf70dea0e9d2bc5ee7f223385fca11c6148edde40e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fea48181d33967a8d2f7cf70dea0e9d2bc5ee7f223385fca11c6148edde40e2", kill_on_drop: false }`
[INFO] [stdout] 1fea48181d33967a8d2f7cf70dea0e9d2bc5ee7f223385fca11c6148edde40e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5c49938dd487c3b2c9311aceb1703b36f18f44792b23b01eaffdce31446a8ef
[INFO] running `Command { std: "docker" "start" "-a" "a5c49938dd487c3b2c9311aceb1703b36f18f44792b23b01eaffdce31446a8ef", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/evaluator/mod.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 | /             if let Object::Integer(int) = eval_expression(i, env)? {
[INFO] [stdout] 121 | |                 return Ok(a.get(int as usize).unwrap().clone());
[INFO] [stdout] 122 | |             } else {
[INFO] [stdout] 123 | |                 return Err(EvalError::new("Index must an IntegerLiteral".to_string()));
[INFO] [stdout] 124 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/evaluator/mod.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 | /             if let Object::Integer(int) = eval_expression(i, env)? {
[INFO] [stdout] 121 | |                 return Ok(a.get(int as usize).unwrap().clone());
[INFO] [stdout] 122 | |             } else {
[INFO] [stdout] 123 | |                 return Err(EvalError::new("Index must an IntegerLiteral".to_string()));
[INFO] [stdout] 124 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parser` (bin "parser") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parser` (bin "parser" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a5c49938dd487c3b2c9311aceb1703b36f18f44792b23b01eaffdce31446a8ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c49938dd487c3b2c9311aceb1703b36f18f44792b23b01eaffdce31446a8ef", kill_on_drop: false }`
[INFO] [stdout] a5c49938dd487c3b2c9311aceb1703b36f18f44792b23b01eaffdce31446a8ef