[INFO] fetching crate if-newer 0.0.0...
[INFO] checking if-newer-0.0.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate if-newer 0.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate if-newer 0.0.0 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 if-newer 0.0.0
[INFO] finished tweaking crates.io crate if-newer 0.0.0
[INFO] tweaked toml for crates.io crate if-newer 0.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate if-newer 0.0.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded executable-path v1.0.0
[INFO] [stderr]   Downloaded pretty_assertions v1.0.0
[INFO] [stderr]   Downloaded libc v0.2.114
[INFO] [stderr]   Downloaded cradle v0.2.1
[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] 395076829a93866e05a53f211925ccc2db97cf8e05526d8578eec45101c05a21
[INFO] running `Command { std: "docker" "start" "-a" "395076829a93866e05a53f211925ccc2db97cf8e05526d8578eec45101c05a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "395076829a93866e05a53f211925ccc2db97cf8e05526d8578eec45101c05a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "395076829a93866e05a53f211925ccc2db97cf8e05526d8578eec45101c05a21", kill_on_drop: false }`
[INFO] [stdout] 395076829a93866e05a53f211925ccc2db97cf8e05526d8578eec45101c05a21
[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] 0bee47279a1e89b7a96740902f5ed4e12422698af03972fbd8de73be38e59853
[INFO] running `Command { std: "docker" "start" "-a" "0bee47279a1e89b7a96740902f5ed4e12422698af03972fbd8de73be38e59853", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.114
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking executable-path v1.0.0
[INFO] [stderr]     Checking if-newer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cradle v0.2.1
[INFO] [stderr]     Checking anyhow v1.0.53
[INFO] [stderr]     Checking pretty_assertions v1.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "0bee47279a1e89b7a96740902f5ed4e12422698af03972fbd8de73be38e59853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bee47279a1e89b7a96740902f5ed4e12422698af03972fbd8de73be38e59853", kill_on_drop: false }`
[INFO] [stdout] 0bee47279a1e89b7a96740902f5ed4e12422698af03972fbd8de73be38e59853
[INFO] checking if-newer-0.0.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate if-newer 0.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate if-newer 0.0.0 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 if-newer 0.0.0
[INFO] finished tweaking crates.io crate if-newer 0.0.0
[INFO] tweaked toml for crates.io crate if-newer 0.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate if-newer 0.0.0 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-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] 79b5d8b9772c9723df93a4b5da6d5225c0e486a80b21893672a4d6ab19041327
[INFO] running `Command { std: "docker" "start" "-a" "79b5d8b9772c9723df93a4b5da6d5225c0e486a80b21893672a4d6ab19041327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79b5d8b9772c9723df93a4b5da6d5225c0e486a80b21893672a4d6ab19041327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b5d8b9772c9723df93a4b5da6d5225c0e486a80b21893672a4d6ab19041327", kill_on_drop: false }`
[INFO] [stdout] 79b5d8b9772c9723df93a4b5da6d5225c0e486a80b21893672a4d6ab19041327
[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] e4543d743bb9b4e3d679e5423ba2656a1113e2606f5f5f325e32f08c56c582d8
[INFO] running `Command { std: "docker" "start" "-a" "e4543d743bb9b4e3d679e5423ba2656a1113e2606f5f5f325e32f08c56c582d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.114
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking executable-path v1.0.0
[INFO] [stderr]     Checking if-newer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking cradle v0.2.1
[INFO] [stderr]     Checking pretty_assertions v1.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> tests/simple.rs:35:52
[INFO] [stdout]     |
[INFO] [stdout] 35  |         ("touch", self.temp_dir.path().join(path)).run_result()?;
[INFO] [stdout]     |                                                    ^^^^^^^^^^ cannot infer type of the type parameter `O` declared on the method `run_result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: cradle::Output`
[INFO] [stdout]     = help: the following types implement trait `cradle::Output`:
[INFO] [stdout]               ()
[INFO] [stdout]               (A, B)
[INFO] [stdout]               (A, B, C)
[INFO] [stdout]               (A, B, C, D)
[INFO] [stdout]               (A, B, C, D, E)
[INFO] [stdout]               (A, B, C, D, E, F)
[INFO] [stdout]               (A, B, C, D, E, F, G)
[INFO] [stdout]               (A, B, C, D, E, F, G, H)
[INFO] [stdout]             and 14 others
[INFO] [stdout] note: required by a bound in `run_result`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cradle-0.2.1/src/input.rs:212:12
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn run_result<O>(self) -> Result<O, crate::error::Error>
[INFO] [stdout]     |        ---------- required by a bound in this associated function
[INFO] [stdout] 211 |     where
[INFO] [stdout] 212 |         O: Output,
[INFO] [stdout]     |            ^^^^^^ required by this bound in `Input::run_result`
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]     |
[INFO] [stdout] 35  |         ("touch", self.temp_dir.path().join(path)).run_result::<O>()?;
[INFO] [stdout]     |                                                              +++++
[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 E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `if-newer` (test "simple") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e4543d743bb9b4e3d679e5423ba2656a1113e2606f5f5f325e32f08c56c582d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4543d743bb9b4e3d679e5423ba2656a1113e2606f5f5f325e32f08c56c582d8", kill_on_drop: false }`
[INFO] [stdout] e4543d743bb9b4e3d679e5423ba2656a1113e2606f5f5f325e32f08c56c582d8