[INFO] cloning repository https://github.com/marcmmiller/rsscm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcmmiller/rsscm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcmmiller%2Frsscm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcmmiller%2Frsscm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 056fb54bceb15d069ab5a5068f6f6db30d13a840
[INFO] checking marcmmiller/rsscm against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcmmiller%2Frsscm" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marcmmiller/rsscm on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marcmmiller/rsscm
[INFO] finished tweaking git repo https://github.com/marcmmiller/rsscm
[INFO] tweaked toml for git repo https://github.com/marcmmiller/rsscm written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/marcmmiller/rsscm 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c16c2f09b55bfe49ff6fff01e112af7b78595bf316388f90efc0549c155efa1
[INFO] running `Command { std: "docker" "start" "-a" "5c16c2f09b55bfe49ff6fff01e112af7b78595bf316388f90efc0549c155efa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c16c2f09b55bfe49ff6fff01e112af7b78595bf316388f90efc0549c155efa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c16c2f09b55bfe49ff6fff01e112af7b78595bf316388f90efc0549c155efa1", kill_on_drop: false }`
[INFO] [stdout] 5c16c2f09b55bfe49ff6fff01e112af7b78595bf316388f90efc0549c155efa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f051e367f18f32b72df0ae202b6bd383538c17e08dddfea0c41af39ae79a372
[INFO] running `Command { std: "docker" "start" "-a" "2f051e367f18f32b72df0ae202b6bd383538c17e08dddfea0c41af39ae79a372", kill_on_drop: false }`
[INFO] [stderr]     Checking rsscm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `Self` is not an iterator
[INFO] [stdout]     --> src/main.rs:1321:26
[INFO] [stdout]      |
[INFO] [stdout] 1321 |     fn lastable(self) -> Lastable<Self>;
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^ `Self` is not an iterator
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `Lastable`
[INFO] [stdout]     --> src/main.rs:1296:29
[INFO] [stdout]      |
[INFO] [stdout] 1296 | struct Lastable<I> where I: Iterator {
[INFO] [stdout]      |                             ^^^^^^^^ required by this bound in `Lastable`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]      |
[INFO] [stdout] 1321 |     fn lastable(self) -> Lastable<Self> where Self: Iterator;
[INFO] [stdout]      |                                         ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Self` is not an iterator
[INFO] [stdout]     --> src/main.rs:1321:26
[INFO] [stdout]      |
[INFO] [stdout] 1321 |     fn lastable(self) -> Lastable<Self>;
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^ `Self` is not an iterator
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `Lastable`
[INFO] [stdout]     --> src/main.rs:1296:29
[INFO] [stdout]      |
[INFO] [stdout] 1296 | struct Lastable<I> where I: Iterator {
[INFO] [stdout]      |                             ^^^^^^^^ required by this bound in `Lastable`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]      |
[INFO] [stdout] 1321 |     fn lastable(self) -> Lastable<Self> where Self: Iterator;
[INFO] [stdout]      |                                         ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]     --> src/main.rs:1321:26
[INFO] [stdout]      |
[INFO] [stdout] 1321 |     fn lastable(self) -> Lastable<Self>;
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]      |
[INFO] [stdout] note: required by an implicit `Sized` bound in `Lastable`
[INFO] [stdout]     --> src/main.rs:1296:17
[INFO] [stdout]      |
[INFO] [stdout] 1296 | struct Lastable<I> where I: Iterator {
[INFO] [stdout]      |                 ^ required by the implicit `Sized` requirement on this type parameter in `Lastable`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]      |
[INFO] [stdout] 1321 |     fn lastable(self) -> Lastable<Self> where Self: Sized;
[INFO] [stdout]      |                                         +++++++++++++++++
[INFO] [stdout] help: consider relaxing the implicit `Sized` restriction
[INFO] [stdout]      |
[INFO] [stdout] 1296 | struct Lastable<I> where I: Iterator + ?Sized {
[INFO] [stdout]      |                                      ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]     --> src/main.rs:1321:26
[INFO] [stdout]      |
[INFO] [stdout] 1321 |     fn lastable(self) -> Lastable<Self>;
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]      |
[INFO] [stdout] note: required by an implicit `Sized` bound in `Lastable`
[INFO] [stdout]     --> src/main.rs:1296:17
[INFO] [stdout]      |
[INFO] [stdout] 1296 | struct Lastable<I> where I: Iterator {
[INFO] [stdout]      |                 ^ required by the implicit `Sized` requirement on this type parameter in `Lastable`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]      |
[INFO] [stdout] 1321 |     fn lastable(self) -> Lastable<Self> where Self: Sized;
[INFO] [stdout]      |                                         +++++++++++++++++
[INFO] [stdout] help: consider relaxing the implicit `Sized` restriction
[INFO] [stdout]      |
[INFO] [stdout] 1296 | struct Lastable<I> where I: Iterator + ?Sized {
[INFO] [stdout]      |                                      ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsscm` (bin "rsscm") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rsscm` (bin "rsscm" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "2f051e367f18f32b72df0ae202b6bd383538c17e08dddfea0c41af39ae79a372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f051e367f18f32b72df0ae202b6bd383538c17e08dddfea0c41af39ae79a372", kill_on_drop: false }`
[INFO] [stdout] 2f051e367f18f32b72df0ae202b6bd383538c17e08dddfea0c41af39ae79a372