[INFO] cloning repository https://github.com/izflare/strlib [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/izflare/strlib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizflare%2Fstrlib", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizflare%2Fstrlib'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 135a5388ed3d4930fe79a228bb97f0068e209eae [INFO] checking izflare/strlib against try#f27166d4c64dc29edc5ea3214357f191edf8b635 for pr-148329 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizflare%2Fstrlib" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/izflare/strlib [INFO] finished tweaking git repo https://github.com/izflare/strlib [INFO] tweaked toml for git repo https://github.com/izflare/strlib written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/izflare/strlib on toolchain f27166d4c64dc29edc5ea3214357f191edf8b635 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/izflare/strlib 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" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d9b390d79d001d573241b3027a83fd2900d9a5a35da4dbfb949a30ebd4097b2c [INFO] running `Command { std: "docker" "start" "-a" "d9b390d79d001d573241b3027a83fd2900d9a5a35da4dbfb949a30ebd4097b2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9b390d79d001d573241b3027a83fd2900d9a5a35da4dbfb949a30ebd4097b2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9b390d79d001d573241b3027a83fd2900d9a5a35da4dbfb949a30ebd4097b2c", kill_on_drop: false }` [INFO] [stdout] d9b390d79d001d573241b3027a83fd2900d9a5a35da4dbfb949a30ebd4097b2c [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15964a7f013e5bd872325b4d3aa4e5aad63171234148937e6142714773d98b37 [INFO] running `Command { std: "docker" "start" "-a" "15964a7f013e5bd872325b4d3aa4e5aad63171234148937e6142714773d98b37", kill_on_drop: false }` [INFO] [stderr] Checking bit-vec v0.5.1 [INFO] [stderr] Checking strlib v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mtf/mod.rs:61:21 [INFO] [stdout] | [INFO] [stdout] 61 | let mut left = (*ptr).lt.unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mtf/mod.rs:63:25 [INFO] [stdout] | [INFO] [stdout] 63 | let mut leftr = (*left).rt.unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mtf/mod.rs:114:21 [INFO] [stdout] | [INFO] [stdout] 114 | let mut right = (*ptr).rt.unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mtf/mod.rs:116:25 [INFO] [stdout] | [INFO] [stdout] 116 | let mut rightl = (*right).lt.unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mtf/mod.rs:61:21 [INFO] [stdout] | [INFO] [stdout] 61 | let mut left = (*ptr).lt.unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mtf/mod.rs:63:25 [INFO] [stdout] | [INFO] [stdout] 63 | let mut leftr = (*left).rt.unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mtf/mod.rs:114:21 [INFO] [stdout] | [INFO] [stdout] 114 | let mut right = (*ptr).rt.unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mtf/mod.rs:116:25 [INFO] [stdout] | [INFO] [stdout] 116 | let mut rightl = (*right).lt.unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `val` is never read [INFO] [stdout] --> src/mtf/mod.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 10 | val: T, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `val` is never read [INFO] [stdout] --> src/mtf/mod.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 10 | val: T, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "15964a7f013e5bd872325b4d3aa4e5aad63171234148937e6142714773d98b37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15964a7f013e5bd872325b4d3aa4e5aad63171234148937e6142714773d98b37", kill_on_drop: false }` [INFO] [stdout] 15964a7f013e5bd872325b4d3aa4e5aad63171234148937e6142714773d98b37