[INFO] cloning repository https://github.com/LogFlames/book-shake [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LogFlames/book-shake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogFlames%2Fbook-shake", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogFlames%2Fbook-shake'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b9da2eb3b36e1e39ae3b76a5bf22ca0b0fa7be3f [INFO] building LogFlames/book-shake against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogFlames%2Fbook-shake" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LogFlames/book-shake on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LogFlames/book-shake [INFO] finished tweaking git repo https://github.com/LogFlames/book-shake [INFO] tweaked toml for git repo https://github.com/LogFlames/book-shake written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/LogFlames/book-shake already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ba4cf583d6923da5134d3f3b3ab3a5b81bf3dcaecf4d5b15e19808194175c5c6 [INFO] running `Command { std: "docker" "start" "-a" "ba4cf583d6923da5134d3f3b3ab3a5b81bf3dcaecf4d5b15e19808194175c5c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba4cf583d6923da5134d3f3b3ab3a5b81bf3dcaecf4d5b15e19808194175c5c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba4cf583d6923da5134d3f3b3ab3a5b81bf3dcaecf4d5b15e19808194175c5c6", kill_on_drop: false }` [INFO] [stdout] ba4cf583d6923da5134d3f3b3ab3a5b81bf3dcaecf4d5b15e19808194175c5c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 39c8e6354066f833379d5dedae4263f6ae186a46273408903cc03614b94f6cd9 [INFO] running `Command { std: "docker" "start" "-a" "39c8e6354066f833379d5dedae4263f6ae186a46273408903cc03614b94f6cd9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling book-shake v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::todo` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::todo; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `person_count` [INFO] [stdout] --> src/main.rs:63:25 [INFO] [stdout] | [INFO] [stdout] 63 | fn generate_random_pool(person_count: usize, books: Vec<(u32, u32)>, pool_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_person_count` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `books` [INFO] [stdout] --> src/main.rs:63:46 [INFO] [stdout] | [INFO] [stdout] 63 | fn generate_random_pool(person_count: usize, books: Vec<(u32, u32)>, pool_size: u32) -> Vec { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_books` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pool_size` [INFO] [stdout] --> src/main.rs:63:70 [INFO] [stdout] | [INFO] [stdout] 63 | fn generate_random_pool(person_count: usize, books: Vec<(u32, u32)>, pool_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pool_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | let mut pool: Vec = vec![BookAssignment::new(vec![0, 1, 2, 3]), BookAssignment::new(vec![3, 0, 1, 2])]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `book_distance` [INFO] [stdout] --> src/main.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | let mut book_distance: Vec = Vec::with_capacity(book_assignment.assignments.len()); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_book_distance` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | let mut book_distance: Vec = Vec::with_capacity(book_assignment.assignments.len()); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.27s [INFO] running `Command { std: "docker" "inspect" "39c8e6354066f833379d5dedae4263f6ae186a46273408903cc03614b94f6cd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39c8e6354066f833379d5dedae4263f6ae186a46273408903cc03614b94f6cd9", kill_on_drop: false }` [INFO] [stdout] 39c8e6354066f833379d5dedae4263f6ae186a46273408903cc03614b94f6cd9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ef1dcaa6e5aa57a4a379c59ced93af4acdd96651e3e2f81ea156dac63238d0e [INFO] running `Command { std: "docker" "start" "-a" "3ef1dcaa6e5aa57a4a379c59ced93af4acdd96651e3e2f81ea156dac63238d0e", kill_on_drop: false }` [INFO] [stderr] Compiling book-shake v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::todo` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::todo; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `person_count` [INFO] [stdout] --> src/main.rs:63:25 [INFO] [stdout] | [INFO] [stdout] 63 | fn generate_random_pool(person_count: usize, books: Vec<(u32, u32)>, pool_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_person_count` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `books` [INFO] [stdout] --> src/main.rs:63:46 [INFO] [stdout] | [INFO] [stdout] 63 | fn generate_random_pool(person_count: usize, books: Vec<(u32, u32)>, pool_size: u32) -> Vec { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_books` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pool_size` [INFO] [stdout] --> src/main.rs:63:70 [INFO] [stdout] | [INFO] [stdout] 63 | fn generate_random_pool(person_count: usize, books: Vec<(u32, u32)>, pool_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pool_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | let mut pool: Vec = vec![BookAssignment::new(vec![0, 1, 2, 3]), BookAssignment::new(vec![3, 0, 1, 2])]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `book_distance` [INFO] [stdout] --> src/main.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | let mut book_distance: Vec = Vec::with_capacity(book_assignment.assignments.len()); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_book_distance` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | let mut book_distance: Vec = Vec::with_capacity(book_assignment.assignments.len()); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "3ef1dcaa6e5aa57a4a379c59ced93af4acdd96651e3e2f81ea156dac63238d0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ef1dcaa6e5aa57a4a379c59ced93af4acdd96651e3e2f81ea156dac63238d0e", kill_on_drop: false }` [INFO] [stdout] 3ef1dcaa6e5aa57a4a379c59ced93af4acdd96651e3e2f81ea156dac63238d0e