[INFO] cloning repository https://github.com/jhedev/commandwrapper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jhedev/commandwrapper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhedev%2Fcommandwrapper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhedev%2Fcommandwrapper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ce28fdc0aaeb92337cb12ac2c29195a20e03c00
[INFO] checking jhedev/commandwrapper against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhedev%2Fcommandwrapper" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jhedev/commandwrapper 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/jhedev/commandwrapper
[INFO] finished tweaking git repo https://github.com/jhedev/commandwrapper
[INFO] tweaked toml for git repo https://github.com/jhedev/commandwrapper written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jhedev/commandwrapper 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ab06eaac277443836b6ba4a7b53eca7454ad141fff1ed7fc91f1bf538a6acd12
[INFO] running `Command { std: "docker" "start" "-a" "ab06eaac277443836b6ba4a7b53eca7454ad141fff1ed7fc91f1bf538a6acd12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab06eaac277443836b6ba4a7b53eca7454ad141fff1ed7fc91f1bf538a6acd12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab06eaac277443836b6ba4a7b53eca7454ad141fff1ed7fc91f1bf538a6acd12", kill_on_drop: false }`
[INFO] [stdout] ab06eaac277443836b6ba4a7b53eca7454ad141fff1ed7fc91f1bf538a6acd12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ace7d2cb873720c5ec749ccb9065be5a940df6ddcd1b277e0e32904e714e5cb7
[INFO] running `Command { std: "docker" "start" "-a" "ace7d2cb873720c5ec749ccb9065be5a940df6ddcd1b277e0e32904e714e5cb7", kill_on_drop: false }`
[INFO] [stderr]     Checking commandwrapper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "ace7d2cb873720c5ec749ccb9065be5a940df6ddcd1b277e0e32904e714e5cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace7d2cb873720c5ec749ccb9065be5a940df6ddcd1b277e0e32904e714e5cb7", kill_on_drop: false }`
[INFO] [stdout] ace7d2cb873720c5ec749ccb9065be5a940df6ddcd1b277e0e32904e714e5cb7
[INFO] checking jhedev/commandwrapper against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhedev%2Fcommandwrapper" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jhedev/commandwrapper 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/jhedev/commandwrapper
[INFO] finished tweaking git repo https://github.com/jhedev/commandwrapper
[INFO] tweaked toml for git repo https://github.com/jhedev/commandwrapper written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jhedev/commandwrapper 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 466acfc922f14fc03afc35e99e1e9b93af95b97b93b1658256ea06b58da90aad
[INFO] running `Command { std: "docker" "start" "-a" "466acfc922f14fc03afc35e99e1e9b93af95b97b93b1658256ea06b58da90aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "466acfc922f14fc03afc35e99e1e9b93af95b97b93b1658256ea06b58da90aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466acfc922f14fc03afc35e99e1e9b93af95b97b93b1658256ea06b58da90aad", kill_on_drop: false }`
[INFO] [stdout] 466acfc922f14fc03afc35e99e1e9b93af95b97b93b1658256ea06b58da90aad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e192875ccb6de7ab15a4ba57dd9e4d74ac0033364764d3e70043e9acca226e03
[INFO] running `Command { std: "docker" "start" "-a" "e192875ccb6de7ab15a4ba57dd9e4d74ac0033364764d3e70043e9acca226e03", kill_on_drop: false }`
[INFO] [stderr]     Checking commandwrapper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | /         match iter.next() {
[INFO] [stdout] 14 | |             None => return Err("no command given".to_string()),
[INFO] [stdout] 15 | |             Some(cmd) => {
[INFO] [stdout] 16 | |                 return Ok(Execute{
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |             },
[INFO] [stdout] 21 | |         };
[INFO] [stdout]    | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | /         match iter.next() {
[INFO] [stdout] 14 | |             None => return Err("no command given".to_string()),
[INFO] [stdout] 15 | |             Some(cmd) => {
[INFO] [stdout] 16 | |                 return Ok(Execute{
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |             },
[INFO] [stdout] 21 | |         };
[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] [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 `commandwrapper` (bin "commandwrapper") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `commandwrapper` (bin "commandwrapper" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e192875ccb6de7ab15a4ba57dd9e4d74ac0033364764d3e70043e9acca226e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e192875ccb6de7ab15a4ba57dd9e4d74ac0033364764d3e70043e9acca226e03", kill_on_drop: false }`
[INFO] [stdout] e192875ccb6de7ab15a4ba57dd9e4d74ac0033364764d3e70043e9acca226e03