[INFO] cloning repository https://github.com/iljakuklic/cover [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iljakuklic/cover" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filjakuklic%2Fcover", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filjakuklic%2Fcover'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] af613e74518207ac289c30e616d6dadf4fa54bc5 [INFO] checking iljakuklic/cover against master#17ffbc81a30c094193836a5d7f90dff273b5df93 for pr-138785 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filjakuklic%2Fcover" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iljakuklic/cover on toolchain 17ffbc81a30c094193836a5d7f90dff273b5df93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iljakuklic/cover [INFO] finished tweaking git repo https://github.com/iljakuklic/cover [INFO] tweaked toml for git repo https://github.com/iljakuklic/cover written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Updating git repository `https://github.com/iljakuklic/sorted-iter` [INFO] [stderr] Locking 27 packages to latest compatible versions [INFO] [stderr] Adding quickcheck v0.9.2 (available: v1.0.3) [INFO] [stderr] Adding quickcheck_macros v0.9.1 (available: v1.0.0) [INFO] [stderr] Adding rand v0.7.3 (available: v0.9.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4f7ca6c8f4a7a43aa5b343716aced7a64a8c4b5288abcfc7c8bf1d8324157fd0 [INFO] running `Command { std: "docker" "start" "-a" "4f7ca6c8f4a7a43aa5b343716aced7a64a8c4b5288abcfc7c8bf1d8324157fd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4f7ca6c8f4a7a43aa5b343716aced7a64a8c4b5288abcfc7c8bf1d8324157fd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f7ca6c8f4a7a43aa5b343716aced7a64a8c4b5288abcfc7c8bf1d8324157fd0", kill_on_drop: false }` [INFO] [stdout] 4f7ca6c8f4a7a43aa5b343716aced7a64a8c4b5288abcfc7c8bf1d8324157fd0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6393e7db09ad8ad1e7d2f534ab96b95a7a0b147f0909174cebf5bde54680c8f0 [INFO] running `Command { std: "docker" "start" "-a" "6393e7db09ad8ad1e7d2f534ab96b95a7a0b147f0909174cebf5bde54680c8f0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.171 [INFO] [stderr] Compiling zerocopy v0.8.24 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking phantom_newtype v0.2.0 [INFO] [stderr] Checking sorted-iter v0.1.5 (https://github.com/iljakuklic/sorted-iter?branch=multiway-union#ec69da7c) [INFO] [stderr] Checking cover v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type alias `RowIdx` is never used [INFO] [stdout] --> src/structs/binary_matrix.rs:19:10 [INFO] [stdout] | [INFO] [stdout] 19 | pub type RowIdx = Idx; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `ColIdx` is never used [INFO] [stdout] --> src/structs/binary_matrix.rs:21:10 [INFO] [stdout] | [INFO] [stdout] 21 | pub type ColIdx = Idx; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new_empty`, `from_iter`, `ones_iter`, `transposed_cells_iter`, `transposed`, and `filtered` are never used [INFO] [stdout] --> src/structs/binary_matrix.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 37 | impl Store { [INFO] [stdout] | ---------------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 40 | fn new_empty() -> Store { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | fn from_iter(iter: Iter) -> Store [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 89 | fn ones_iter<'a>(&'a self) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 97 | fn transposed_cells_iter<'a>(&'a self) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | fn transposed(&self) -> Store { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 142 | fn filtered, Idx)) -> bool>(&self, p: Pred) -> Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `from_iter` and `from_rows` are never used [INFO] [stdout] --> src/structs/binary_matrix.rs:193:12 [INFO] [stdout] | [INFO] [stdout] 191 | impl BinaryMatrix { [INFO] [stdout] | ----------------- associated functions in this implementation [INFO] [stdout] 192 | /// Create a binary matrix from a sorted iterator over one-cell coordinates. [INFO] [stdout] 193 | pub fn from_iter(it: Iter) -> Self [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 199 | fn from_rows(by_row: Store) -> Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IDMap` is never constructed [INFO] [stdout] --> src/structs/id_map.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct IDMap { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `lookup`, `get`, `back`, `items`, and `len` are never used [INFO] [stdout] --> src/structs/id_map.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 16 | / impl IDMap [INFO] [stdout] 17 | | where ObjT: Clone + Eq + std::hash::Hash, ID: Copy + From + Into { [INFO] [stdout] | |______________________________________________________________________________- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn new() -> IDMap { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn lookup(&self, obj: &ObjT) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn get(&mut self, obj: &ObjT) -> ID { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn back(&self, id: ID) -> &ObjT { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn items(&self) -> impl Iterator { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Compiling quickcheck_macros v0.9.1 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/structs/binary_matrix.rs:154:60 [INFO] [stdout] | [INFO] [stdout] 154 | fn check(b: bool, err: &'static str) -> Result<(), &str> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'static` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] help: consider specifying it explicitly [INFO] [stdout] | [INFO] [stdout] 154 | fn check(b: bool, err: &'static str) -> Result<(), &'static str> { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_iter` is never used [INFO] [stdout] --> src/structs/binary_matrix.rs:193:12 [INFO] [stdout] | [INFO] [stdout] 191 | impl BinaryMatrix { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 192 | /// Create a binary matrix from a sorted iterator over one-cell coordinates. [INFO] [stdout] 193 | pub fn from_iter(it: Iter) -> Self [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IDMap` is never constructed [INFO] [stdout] --> src/structs/id_map.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct IDMap { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `lookup`, `get`, `back`, `items`, and `len` are never used [INFO] [stdout] --> src/structs/id_map.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 16 | / impl IDMap [INFO] [stdout] 17 | | where ObjT: Clone + Eq + std::hash::Hash, ID: Copy + From + Into { [INFO] [stdout] | |______________________________________________________________________________- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn new() -> IDMap { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn lookup(&self, obj: &ObjT) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn get(&mut self, obj: &ObjT) -> ID { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn back(&self, id: ID) -> &ObjT { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn items(&self) -> impl Iterator { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.23s [INFO] running `Command { std: "docker" "inspect" "6393e7db09ad8ad1e7d2f534ab96b95a7a0b147f0909174cebf5bde54680c8f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6393e7db09ad8ad1e7d2f534ab96b95a7a0b147f0909174cebf5bde54680c8f0", kill_on_drop: false }` [INFO] [stdout] 6393e7db09ad8ad1e7d2f534ab96b95a7a0b147f0909174cebf5bde54680c8f0