[INFO] updating cached repository https://github.com/jml/rust-scratch [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cc4ed43122015a4c7fde821eb62b575b53737764 [INFO] testing jml/rust-scratch against 1.45.2 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjml%2Frust-scratch" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jml/rust-scratch on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jml/rust-scratch [INFO] finished tweaking git repo https://github.com/jml/rust-scratch [INFO] tweaked toml for git repo https://github.com/jml/rust-scratch written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/jml/rust-scratch already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 205a7060b07f0b98aa85da782cf3adbaa63e63ab6abd4e6da63b202edb675c97 [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" "205a7060b07f0b98aa85da782cf3adbaa63e63ab6abd4e6da63b202edb675c97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "205a7060b07f0b98aa85da782cf3adbaa63e63ab6abd4e6da63b202edb675c97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "205a7060b07f0b98aa85da782cf3adbaa63e63ab6abd4e6da63b202edb675c97", kill_on_drop: false }` [INFO] [stdout] 205a7060b07f0b98aa85da782cf3adbaa63e63ab6abd4e6da63b202edb675c97 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 517d7020624aab359e1188e0d972776575b47fc8ec3217ea5d1de5f7b87c8d5e [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" "517d7020624aab359e1188e0d972776575b47fc8ec3217ea5d1de5f7b87c8d5e", kill_on_drop: false }` [INFO] [stderr] Compiling target v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] error: expected type, found `|` [INFO] [stdout] --> src/lib.rs:51:91 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn accumulate>(sequence: &mut T, init: A, f: |A, K| -> A) -> TreeMap { [INFO] [stdout] | ^ expected type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected parameter name, found `->` [INFO] [stdout] --> src/lib.rs:51:98 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn accumulate>(sequence: &mut T, init: A, f: |A, K| -> A) -> TreeMap { [INFO] [stdout] | - ^^ expected parameter name [INFO] [stdout] | | [INFO] [stdout] | while parsing this or-pattern starting here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: invalid suffix `i` for integer literal [INFO] [stdout] --> src/lib.rs:87:42 [INFO] [stdout] | [INFO] [stdout] 87 | accumulate(sequence, 1, |x, _| { x + 1i }) [INFO] [stdout] | ^^ invalid suffix `i` [INFO] [stdout] | [INFO] [stdout] = help: the suffix must be one of the integral types (`u32`, `isize`, etc) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: invalid suffix `i` for integer literal [INFO] [stdout] --> src/lib.rs:131:33 [INFO] [stdout] | [INFO] [stdout] 131 | Some(x) => if *x >= 1i { *x -= 1i } else { return false }, [INFO] [stdout] | ^^ invalid suffix `i` [INFO] [stdout] | [INFO] [stdout] = help: the suffix must be one of the integral types (`u32`, `isize`, etc) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: invalid suffix `i` for integer literal [INFO] [stdout] --> src/lib.rs:131:44 [INFO] [stdout] | [INFO] [stdout] 131 | Some(x) => if *x >= 1i { *x -= 1i } else { return false }, [INFO] [stdout] | ^^ invalid suffix `i` [INFO] [stdout] | [INFO] [stdout] = help: the suffix must be one of the integral types (`u32`, `isize`, etc) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `std::collections::TreeMap` [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::TreeMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^------- [INFO] [stdout] | | | [INFO] [stdout] | | help: a similar name exists in the module: `BTreeMap` [INFO] [stdout] | no `TreeMap` in `collections` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `std::collections::TreeMap` [INFO] [stdout] --> src/lib.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 160 | use std::collections::TreeMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^------- [INFO] [stdout] | | | [INFO] [stdout] | | help: a similar name exists in the module: `BTreeMap` [INFO] [stdout] | no `TreeMap` in `collections` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `f` in this scope [INFO] [stdout] --> src/lib.rs:59:28 [INFO] [stdout] | [INFO] [stdout] 59 | Some(i) => f(i, x.clone()), [INFO] [stdout] | ^ help: a local variable with a similar name exists: `i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `int` in this scope [INFO] [stdout] --> src/lib.rs:86:82 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn frequency>(sequence: &mut T) -> TreeMap { [INFO] [stdout] | - ^^^ not found in this scope [INFO] [stdout] | | [INFO] [stdout] | help: you might be missing a type parameter: `, int` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `int` in this scope [INFO] [stdout] --> src/lib.rs:111:51 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn letter_counts(word: &str) -> TreeMap { [INFO] [stdout] | - ^^^ not found in this scope [INFO] [stdout] | | [INFO] [stdout] | help: you might be missing a type parameter: `` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0107]: wrong number of type arguments: expected 0, found 1 [INFO] [stdout] --> src/lib.rs:51:57 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn accumulate>(sequence: &mut T, init: A, f: |A, K| -> A) -> TreeMap { [INFO] [stdout] | ^ unexpected type argument [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0107]: wrong number of type arguments: expected 0, found 1 [INFO] [stdout] --> src/lib.rs:86:46 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn frequency>(sequence: &mut T) -> TreeMap { [INFO] [stdout] | ^ unexpected type argument [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 12 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0107, E0412, E0425, E0432. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0107`. [INFO] [stdout] [INFO] [stderr] error: could not compile `target`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "517d7020624aab359e1188e0d972776575b47fc8ec3217ea5d1de5f7b87c8d5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "517d7020624aab359e1188e0d972776575b47fc8ec3217ea5d1de5f7b87c8d5e", kill_on_drop: false }` [INFO] [stdout] 517d7020624aab359e1188e0d972776575b47fc8ec3217ea5d1de5f7b87c8d5e