[INFO] cloning repository https://github.com/jrdnrs/collections-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jrdnrs/collections-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrdnrs%2Fcollections-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrdnrs%2Fcollections-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3d263fc2ddee0ffe8438e4e3905aecb8ef156d87 [INFO] checking jrdnrs/collections-rs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrdnrs%2Fcollections-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jrdnrs/collections-rs on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jrdnrs/collections-rs [INFO] finished tweaking git repo https://github.com/jrdnrs/collections-rs [INFO] tweaked toml for git repo https://github.com/jrdnrs/collections-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jrdnrs/collections-rs 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: build [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 512d7943ff5caa1771e166fb084ce29acb390651f6a04183d9fbd7162a28b88e [INFO] running `Command { std: "docker" "start" "-a" "512d7943ff5caa1771e166fb084ce29acb390651f6a04183d9fbd7162a28b88e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "512d7943ff5caa1771e166fb084ce29acb390651f6a04183d9fbd7162a28b88e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "512d7943ff5caa1771e166fb084ce29acb390651f6a04183d9fbd7162a28b88e", kill_on_drop: false }` [INFO] [stdout] 512d7943ff5caa1771e166fb084ce29acb390651f6a04183d9fbd7162a28b88e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8aaa2557756d51116bb88f0f4d58d681fa9af3fe04ea3dde603748fb57b839ee [INFO] running `Command { std: "docker" "start" "-a" "8aaa2557756d51116bb88f0f4d58d681fa9af3fe04ea3dde603748fb57b839ee", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: build [INFO] [stderr] Checking collections v1.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `type_id` is never read [INFO] [stdout] --> src/erased_vec.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 102 | pub struct ErasedType { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 103 | type_id: TypeId, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ErasedType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `unwrap` is never used [INFO] [stdout] --> src/sparse_map.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Index { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 9 | pub fn unwrap(self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rx` [INFO] [stdout] --> src/spsc_channel.rs:291:22 [INFO] [stdout] | [INFO] [stdout] 291 | let (mut tx, rx) = spsc_channel::(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_rx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx` [INFO] [stdout] --> src/spsc_channel.rs:310:18 [INFO] [stdout] | [INFO] [stdout] 310 | let (mut tx, mut rx) = spsc_channel::(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_tx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rx` [INFO] [stdout] --> src/spsc_channel.rs:310:26 [INFO] [stdout] | [INFO] [stdout] 310 | let (mut tx, mut rx) = spsc_channel::(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_rx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/spsc_channel.rs:310:14 [INFO] [stdout] | [INFO] [stdout] 310 | let (mut tx, mut rx) = spsc_channel::(); [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: variable does not need to be mutable [INFO] [stdout] --> src/spsc_channel.rs:310:22 [INFO] [stdout] | [INFO] [stdout] 310 | let (mut tx, mut rx) = spsc_channel::(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `type_id` is never read [INFO] [stdout] --> src/erased_vec.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 102 | pub struct ErasedType { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 103 | type_id: TypeId, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ErasedType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `unwrap` is never used [INFO] [stdout] --> src/sparse_map.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Index { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 9 | pub fn unwrap(self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "8aaa2557756d51116bb88f0f4d58d681fa9af3fe04ea3dde603748fb57b839ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8aaa2557756d51116bb88f0f4d58d681fa9af3fe04ea3dde603748fb57b839ee", kill_on_drop: false }` [INFO] [stdout] 8aaa2557756d51116bb88f0f4d58d681fa9af3fe04ea3dde603748fb57b839ee