[INFO] fetching crate colon 0.1.0... [INFO] testing colon-0.1.0 against 1.60.0 for beta-1.61-1 [INFO] extracting crate colon 0.1.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate colon 0.1.0 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate colon 0.1.0 [INFO] finished tweaking crates.io crate colon 0.1.0 [INFO] tweaked toml for crates.io crate colon 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] cb32b18226840de13f28a3ed837431c8b7c7cbd0372d1440b1acf000bf604fe4 [INFO] running `Command { std: "docker" "start" "-a" "cb32b18226840de13f28a3ed837431c8b7c7cbd0372d1440b1acf000bf604fe4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cb32b18226840de13f28a3ed837431c8b7c7cbd0372d1440b1acf000bf604fe4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb32b18226840de13f28a3ed837431c8b7c7cbd0372d1440b1acf000bf604fe4", kill_on_drop: false }` [INFO] [stdout] cb32b18226840de13f28a3ed837431c8b7c7cbd0372d1440b1acf000bf604fe4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 185b0773eafe8e657b136c901ff4fe9312ba95c6e470c939d846fe9ff08755c9 [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" "185b0773eafe8e657b136c901ff4fe9312ba95c6e470c939d846fe9ff08755c9", kill_on_drop: false }` [INFO] [stderr] Compiling colon v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/sorted_index.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | Ok(i) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `chunk` [INFO] [stdout] --> src/chunk.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn chunk(v: Vec, n: usize) -> Vec> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `compact` [INFO] [stdout] --> src/compact.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn compact(v: Vec>) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `concat` [INFO] [stdout] --> src/concat.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn concat(v1: Vec, v2: Vec) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `difference` [INFO] [stdout] --> src/difference.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn difference(v1: Vec, v2: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `drop` [INFO] [stdout] --> src/drop.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn drop(v: Vec, n: usize) -> Vec { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fill` [INFO] [stdout] --> src/fill.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn fill(v: Vec, val: T) -> Vec { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `find_index` [INFO] [stdout] --> src/find_index.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn find_index(v: Vec, f: F) -> usize [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `find_last_index` [INFO] [stdout] --> src/find_last_index.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn find_last_index(v: Vec, f: F) -> usize [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first` [INFO] [stdout] --> src/first.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn first(v: Vec) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `flatten` [INFO] [stdout] --> src/flatten.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn flatten(v: Vec>) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `from_pairs` [INFO] [stdout] --> src/from_pairs.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn from_pairs(v: Vec<(&str, T)>) -> HashMap<&str, T> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `head` [INFO] [stdout] --> src/head.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn head(v: Vec) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `index_of` [INFO] [stdout] --> src/index_of.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn index_of(v: Vec, val: T) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `initial` [INFO] [stdout] --> src/initial.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn initial(mut v: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `intersection` [INFO] [stdout] --> src/intersection.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn intersection(v1: Vec, v2: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `join` [INFO] [stdout] --> src/join.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn join(v: Vec, sep: &str) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `last` [INFO] [stdout] --> src/last.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn last(v: Vec) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `last_index_of` [INFO] [stdout] --> src/last_index_of.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn last_index_of(v: Vec, val: T) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `nth` [INFO] [stdout] --> src/nth.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn nth(v: Vec, idx: isize) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `pull` [INFO] [stdout] --> src/pull.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn pull(v: &mut Vec, vals: Vec) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `pull_at` [INFO] [stdout] --> src/pull_at.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn pull_at(v: &mut Vec, mut idxs: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `remove` [INFO] [stdout] --> src/remove.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn remove(v: &mut Vec, f: F) -> Vec [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `reverse` [INFO] [stdout] --> src/reverse.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn reverse(v: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `slice` [INFO] [stdout] --> src/slice.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn slice(v: Vec, start: usize, end: usize) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sorted_index` [INFO] [stdout] --> src/sorted_index.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn sorted_index(v: Vec, val: T) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sorted_last_index` [INFO] [stdout] --> src/sorted_last_index.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn sorted_last_index(v: Vec, val: T) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sorted_uniq` [INFO] [stdout] --> src/sorted_uniq.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn sorted_uniq(v: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `tail` [INFO] [stdout] --> src/tail.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn tail(v: Vec) -> Vec { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `take` [INFO] [stdout] --> src/take.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn take(v: Vec, n: usize) -> Vec { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `take_right` [INFO] [stdout] --> src/take_right.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn take_right(v: Vec, n: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `union` [INFO] [stdout] --> src/union.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn union(v1: Vec, v2: Vec) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `unzip` [INFO] [stdout] --> src/unzip.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn unzip(v: Vec>) -> Vec> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `without` [INFO] [stdout] --> src/without.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn without(v: Vec, vals: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `xor` [INFO] [stdout] --> src/xor.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn xor(v1: Vec, v2: Vec) -> Vec { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `zip` [INFO] [stdout] --> src/zip.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn zip(v: Vec>) -> Vec> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add` [INFO] [stdout] --> src/add.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn add(v1: T, v2: T) -> T { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ceil` [INFO] [stdout] --> src/ceil.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn ceil(v: T, precision: i32) -> T { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `divide` [INFO] [stdout] --> src/divide.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn divide(dividend: T, divisor: T) -> T { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `floor` [INFO] [stdout] --> src/floor.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn floor(v: T, precision: i32) -> T { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `max` [INFO] [stdout] --> src/max.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn max(v: Vec) -> T { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `mean` [INFO] [stdout] --> src/mean.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn mean(v: Vec) -> f64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `min` [INFO] [stdout] --> src/min.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn min(v: Vec) -> T { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `multiply` [INFO] [stdout] --> src/multiply.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn multiply(v1: A, v2: B) -> f64 [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `round` [INFO] [stdout] --> src/round.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn round(v: T, precision: i32) -> T { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `subtract` [INFO] [stdout] --> src/subtract.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn subtract(v1: A, v2: B) -> f64 [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sum` [INFO] [stdout] --> src/sum.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn sum(v: Vec) -> f64 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(test)] [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 47 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `colon` due to 2 previous errors; 47 warnings emitted [INFO] running `Command { std: "docker" "inspect" "185b0773eafe8e657b136c901ff4fe9312ba95c6e470c939d846fe9ff08755c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "185b0773eafe8e657b136c901ff4fe9312ba95c6e470c939d846fe9ff08755c9", kill_on_drop: false }` [INFO] [stdout] 185b0773eafe8e657b136c901ff4fe9312ba95c6e470c939d846fe9ff08755c9