[INFO] fetching crate cargo-exec 0.1.0...
[INFO] checking cargo-exec-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate cargo-exec 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate cargo-exec 0.1.0 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 crates.io crate cargo-exec 0.1.0
[INFO] finished tweaking crates.io crate cargo-exec 0.1.0
[INFO] tweaked toml for crates.io crate cargo-exec 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-exec 0.1.0 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] b6e2bebd5a0728a217a6ee08efeb4b07918c41bb4169cd790379af2ff8cfdd4f
[INFO] running `Command { std: "docker" "start" "-a" "b6e2bebd5a0728a217a6ee08efeb4b07918c41bb4169cd790379af2ff8cfdd4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6e2bebd5a0728a217a6ee08efeb4b07918c41bb4169cd790379af2ff8cfdd4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6e2bebd5a0728a217a6ee08efeb4b07918c41bb4169cd790379af2ff8cfdd4f", kill_on_drop: false }`
[INFO] [stdout] b6e2bebd5a0728a217a6ee08efeb4b07918c41bb4169cd790379af2ff8cfdd4f
[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] 1cffddc49b77e44c398b5b01db30df47a5a761f73dc65069985031f198735ef9
[INFO] running `Command { std: "docker" "start" "-a" "1cffddc49b77e44c398b5b01db30df47a5a761f73dc65069985031f198735ef9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking cargo-exec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.34s
[INFO] running `Command { std: "docker" "inspect" "1cffddc49b77e44c398b5b01db30df47a5a761f73dc65069985031f198735ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cffddc49b77e44c398b5b01db30df47a5a761f73dc65069985031f198735ef9", kill_on_drop: false }`
[INFO] [stdout] 1cffddc49b77e44c398b5b01db30df47a5a761f73dc65069985031f198735ef9
[INFO] checking cargo-exec-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate cargo-exec 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate cargo-exec 0.1.0 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 crates.io crate cargo-exec 0.1.0
[INFO] finished tweaking crates.io crate cargo-exec 0.1.0
[INFO] tweaked toml for crates.io crate cargo-exec 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-exec 0.1.0 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] 07fb205c8c2643028e01b9cf3d1e58d86dde6205415381cfa92054e74b8c4983
[INFO] running `Command { std: "docker" "start" "-a" "07fb205c8c2643028e01b9cf3d1e58d86dde6205415381cfa92054e74b8c4983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07fb205c8c2643028e01b9cf3d1e58d86dde6205415381cfa92054e74b8c4983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07fb205c8c2643028e01b9cf3d1e58d86dde6205415381cfa92054e74b8c4983", kill_on_drop: false }`
[INFO] [stdout] 07fb205c8c2643028e01b9cf3d1e58d86dde6205415381cfa92054e74b8c4983
[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] 3ece351d1295a3d70183ec62e24a00e0545d8d248bc7fcc4749cc99644532dfe
[INFO] running `Command { std: "docker" "start" "-a" "3ece351d1295a3d70183ec62e24a00e0545d8d248bc7fcc4749cc99644532dfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking cargo-exec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | /     match args.pop() {
[INFO] [stdout] 83 | |         Some(script) => {
[INFO] [stdout] 84 | |             let script : String = script.into();
[INFO] [stdout] 85 | |             if script.contains("exec") {
[INFO] [stdout] ...  |
[INFO] [stdout] 90 | |         None => return Args {script: None} 
[INFO] [stdout] 91 | |     };
[INFO] [stdout]    | |_____^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | /     match args.pop() {
[INFO] [stdout] 83 | |         Some(script) => {
[INFO] [stdout] 84 | |             let script : String = script.into();
[INFO] [stdout] 85 | |             if script.contains("exec") {
[INFO] [stdout] ...  |
[INFO] [stdout] 90 | |         None => return Args {script: None} 
[INFO] [stdout] 91 | |     };
[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 `cargo-exec` (bin "cargo-exec" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cargo-exec` (bin "cargo-exec") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3ece351d1295a3d70183ec62e24a00e0545d8d248bc7fcc4749cc99644532dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ece351d1295a3d70183ec62e24a00e0545d8d248bc7fcc4749cc99644532dfe", kill_on_drop: false }`
[INFO] [stdout] 3ece351d1295a3d70183ec62e24a00e0545d8d248bc7fcc4749cc99644532dfe