[INFO] cloning 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" "clone" "--bare" "https://github.com/jml/rust-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjml%2Frust-scratch", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjml%2Frust-scratch'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cc4ed43122015a4c7fde821eb62b575b53737764 [INFO] checking jml/rust-scratch against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjml%2Frust-scratch" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jml/rust-scratch on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 947e125651ac30429d571212fc2f92997824fd924c4c2ecfde103eb13e0e6be0 [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" "947e125651ac30429d571212fc2f92997824fd924c4c2ecfde103eb13e0e6be0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "947e125651ac30429d571212fc2f92997824fd924c4c2ecfde103eb13e0e6be0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "947e125651ac30429d571212fc2f92997824fd924c4c2ecfde103eb13e0e6be0", kill_on_drop: false }` [INFO] [stdout] 947e125651ac30429d571212fc2f92997824fd924c4c2ecfde103eb13e0e6be0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] be8ba05fc86c9a2370024f2416b44ffde9c00a07a9ea2a430d5fc15351acdff4 [INFO] running `Command { std: "docker" "start" "-a" "be8ba05fc86c9a2370024f2416b44ffde9c00a07a9ea2a430d5fc15351acdff4", kill_on_drop: false }` [INFO] [stderr] Checking 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: 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 number 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 numeric types (`u32`, `isize`, `f32`, etc.) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: invalid suffix `i` for number 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 numeric types (`u32`, `isize`, `f32`, etc.) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: invalid suffix `i` for number 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 numeric types (`u32`, `isize`, `f32`, etc.) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: invalid suffix `i` for number 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 numeric types (`u32`, `isize`, `f32`, etc.) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: invalid suffix `i` for number 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 numeric types (`u32`, `isize`, `f32`, etc.) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: invalid suffix `i` for number 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 numeric types (`u32`, `isize`, `f32`, 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[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[E0412]: cannot find type `int` in this scope [INFO] [stdout] --> src/lib.rs:190:19 [INFO] [stdout] | [INFO] [stdout] 189 | fn empty_frequency() { [INFO] [stdout] | - help: you might be missing a type parameter: `` [INFO] [stdout] 190 | let v:Vec = vec![]; [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `int` in this scope [INFO] [stdout] --> src/lib.rs:191:25 [INFO] [stdout] | [INFO] [stdout] 189 | fn empty_frequency() { [INFO] [stdout] | - help: you might be missing a type parameter: `` [INFO] [stdout] 190 | let v:Vec = vec![]; [INFO] [stdout] 191 | let m: TreeMap<&int, int> = TreeMap::new(); [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `int` in this scope [INFO] [stdout] --> src/lib.rs:191:30 [INFO] [stdout] | [INFO] [stdout] 189 | fn empty_frequency() { [INFO] [stdout] | - help: you might be missing a type parameter: `` [INFO] [stdout] 190 | let v:Vec = vec![]; [INFO] [stdout] 191 | let m: TreeMap<&int, int> = TreeMap::new(); [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `int` in this scope [INFO] [stdout] --> src/lib.rs:192:25 [INFO] [stdout] | [INFO] [stdout] 189 | fn empty_frequency() { [INFO] [stdout] | - help: you might be missing a type parameter: `` [INFO] [stdout] ... [INFO] [stdout] 192 | let f: TreeMap<&int, int> = super::frequency(&mut v.iter()); [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `int` in this scope [INFO] [stdout] --> src/lib.rs:192:30 [INFO] [stdout] | [INFO] [stdout] 189 | fn empty_frequency() { [INFO] [stdout] | - help: you might be missing a type parameter: `` [INFO] [stdout] ... [INFO] [stdout] 192 | let f: TreeMap<&int, int> = super::frequency(&mut v.iter()); [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `int` in this scope [INFO] [stdout] --> src/lib.rs:199:35 [INFO] [stdout] | [INFO] [stdout] 197 | fn single_frequency() { [INFO] [stdout] | - help: you might be missing a type parameter: `` [INFO] [stdout] 198 | let v:Vec<&str> = vec!["hello"]; [INFO] [stdout] 199 | let mut m: TreeMap<&&str, int> = TreeMap::new(); [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `int` in this scope [INFO] [stdout] --> src/lib.rs:201:31 [INFO] [stdout] | [INFO] [stdout] 197 | fn single_frequency() { [INFO] [stdout] | - help: you might be missing a type parameter: `` [INFO] [stdout] ... [INFO] [stdout] 201 | let f: TreeMap<&&str, int> = super::frequency(&mut v.iter()); [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `int` in this scope [INFO] [stdout] --> src/lib.rs:208:34 [INFO] [stdout] | [INFO] [stdout] 206 | fn multiple_frequency() { [INFO] [stdout] | - help: you might be missing a type parameter: `` [INFO] [stdout] 207 | let v = "hello world"; [INFO] [stdout] 208 | let mut m: TreeMap = TreeMap::new(); [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `int` in this scope [INFO] [stdout] --> src/lib.rs:217:30 [INFO] [stdout] | [INFO] [stdout] 206 | fn multiple_frequency() { [INFO] [stdout] | - help: you might be missing a type parameter: `` [INFO] [stdout] ... [INFO] [stdout] 217 | let f: TreeMap = super::frequency(&mut v.chars()); [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0107]: this trait takes 0 type arguments but 1 type argument was supplied [INFO] [stdout] --> src/lib.rs:51:48 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn accumulate>(sequence: &mut T, init: A, f: |A, K| -> A) -> TreeMap { [INFO] [stdout] | ^^^^^^^^--- help: remove these generics [INFO] [stdout] | | [INFO] [stdout] | expected 0 type arguments [INFO] [stdout] | [INFO] [stdout] note: trait defined here, with 0 type parameters [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0107]: this trait takes 0 type arguments but 1 type argument was supplied [INFO] [stdout] --> src/lib.rs:86:37 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn frequency>(sequence: &mut T) -> TreeMap { [INFO] [stdout] | ^^^^^^^^--- help: remove these generics [INFO] [stdout] | | [INFO] [stdout] | expected 0 type arguments [INFO] [stdout] | [INFO] [stdout] note: trait defined here, with 0 type parameters [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] [stdout] error[E0107]: this trait takes 0 type arguments but 1 type argument was supplied [INFO] [stdout] --> src/lib.rs:51:48 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn accumulate>(sequence: &mut T, init: A, f: |A, K| -> A) -> TreeMap { [INFO] [stdout] | ^^^^^^^^--- help: remove these generics [INFO] [stdout] | | [INFO] [stdout] | expected 0 type arguments [INFO] [stdout] | [INFO] [stdout] note: trait defined here, with 0 type parameters [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0107]: this trait takes 0 type arguments but 1 type argument was supplied [INFO] [stdout] --> src/lib.rs:86:37 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn frequency>(sequence: &mut T) -> TreeMap { [INFO] [stdout] | ^^^^^^^^--- help: remove these generics [INFO] [stdout] | | [INFO] [stdout] | expected 0 type arguments [INFO] [stdout] | [INFO] [stdout] note: trait defined here, with 0 type parameters [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `target` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 21 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: build failed [INFO] running `Command { std: "docker" "inspect" "be8ba05fc86c9a2370024f2416b44ffde9c00a07a9ea2a430d5fc15351acdff4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be8ba05fc86c9a2370024f2416b44ffde9c00a07a9ea2a430d5fc15351acdff4", kill_on_drop: false }` [INFO] [stdout] be8ba05fc86c9a2370024f2416b44ffde9c00a07a9ea2a430d5fc15351acdff4