[INFO] cloning repository https://github.com/slightknack/effective
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slightknack/effective" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightknack%2Feffective", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightknack%2Feffective'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54951eaf7a1b5d03efee48138b6d7955ec9a8004
[INFO] checking slightknack/effective against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightknack%2Feffective" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/slightknack/effective on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/slightknack/effective
[INFO] finished tweaking git repo https://github.com/slightknack/effective
[INFO] tweaked toml for git repo https://github.com/slightknack/effective written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/slightknack/effective already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 55b73975dd08f54a85f2d8d7088b52bc01c42fc5f993b6ce4ae3466cbfec33de
[INFO] running `Command { std: "docker" "start" "-a" "55b73975dd08f54a85f2d8d7088b52bc01c42fc5f993b6ce4ae3466cbfec33de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55b73975dd08f54a85f2d8d7088b52bc01c42fc5f993b6ce4ae3466cbfec33de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b73975dd08f54a85f2d8d7088b52bc01c42fc5f993b6ce4ae3466cbfec33de", kill_on_drop: false }`
[INFO] [stdout] 55b73975dd08f54a85f2d8d7088b52bc01c42fc5f993b6ce4ae3466cbfec33de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bb3ec2acf7e18a9c8406b346fe9156bade3759ffb290b243df9782889412e8b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0bb3ec2acf7e18a9c8406b346fe9156bade3759ffb290b243df9782889412e8b", kill_on_drop: false }`
[INFO] [stderr]     Checking effective v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `;`, found `todo`
[INFO] [stdout]    --> src/vm.rs:282:22
[INFO] [stdout]     |
[INFO] [stdout] 282 |                     )
[INFO] [stdout]     |                      ^ help: add `;` here
[INFO] [stdout] 283 | 
[INFO] [stdout] 284 |                     todo!()
[INFO] [stdout]     |                     ---- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found `todo`
[INFO] [stdout]    --> src/vm.rs:282:22
[INFO] [stdout]     |
[INFO] [stdout] 282 |                     )
[INFO] [stdout]     |                      ^ help: add `;` here
[INFO] [stdout] 283 | 
[INFO] [stdout] 284 |                     todo!()
[INFO] [stdout]     |                     ---- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Op::*`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use Op::*;
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Op::*`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use Op::*;
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `try_sub` found for type `usize` in the current scope
[INFO] [stdout]    --> src/vm.rs:281:48
[INFO] [stdout]     |
[INFO] [stdout] 281 |                         self.stack.datum.len().try_sub(raw_fun.num_captures)
[INFO] [stdout]     |                                                ^^^^^^^ method not found in `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `try_sub` found for type `usize` in the current scope
[INFO] [stdout]    --> src/vm.rs:281:48
[INFO] [stdout]     |
[INFO] [stdout] 281 |                         self.stack.datum.len().try_sub(raw_fun.num_captures)
[INFO] [stdout]     |                                                ^^^^^^^ method not found in `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/vm.rs:280:21
[INFO] [stdout]     |
[INFO] [stdout] 280 | /                     self.stack.datum.split_off(
[INFO] [stdout] 281 | |                         self.stack.datum.len().try_sub(raw_fun.num_captures)
[INFO] [stdout] 282 | |                     )
[INFO] [stdout]     | |                     ^- help: consider using a semicolon here
[INFO] [stdout]     | |_____________________|
[INFO] [stdout]     |                       expected `()`, found struct `Vec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected unit type `()`
[INFO] [stdout]                   found struct `Vec<vm::Data>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `effective` due to 4 previous errors; 1 warning emitted
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/vm.rs:280:21
[INFO] [stdout]     |
[INFO] [stdout] 280 | /                     self.stack.datum.split_off(
[INFO] [stdout] 281 | |                         self.stack.datum.len().try_sub(raw_fun.num_captures)
[INFO] [stdout] 282 | |                     )
[INFO] [stdout]     | |                     ^- help: consider using a semicolon here
[INFO] [stdout]     | |_____________________|
[INFO] [stdout]     |                       expected `()`, found struct `Vec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected unit type `()`
[INFO] [stdout]                   found struct `Vec<vm::Data>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0bb3ec2acf7e18a9c8406b346fe9156bade3759ffb290b243df9782889412e8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb3ec2acf7e18a9c8406b346fe9156bade3759ffb290b243df9782889412e8b", kill_on_drop: false }`
[INFO] [stdout] 0bb3ec2acf7e18a9c8406b346fe9156bade3759ffb290b243df9782889412e8b
