[INFO] cloning repository https://github.com/gausk/drop-check [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gausk/drop-check" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgausk%2Fdrop-check", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgausk%2Fdrop-check'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ef483987db894963c44ac0716c38a853dc75abc0 [INFO] checking gausk/drop-check against try#3248bace201b6227b0ff78eacc8b00d805551a86 for pr-153513 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgausk%2Fdrop-check" "/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/gausk/drop-check [INFO] finished tweaking git repo https://github.com/gausk/drop-check [INFO] tweaked toml for git repo https://github.com/gausk/drop-check written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/gausk/drop-check on toolchain 3248bace201b6227b0ff78eacc8b00d805551a86 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3248bace201b6227b0ff78eacc8b00d805551a86" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/gausk/drop-check 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" "+3248bace201b6227b0ff78eacc8b00d805551a86" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3248bace201b6227b0ff78eacc8b00d805551a86" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 53a588a2edfc677b1440f528327bc68584d5126aef96cfbbd38e2a37f5f3f314 [INFO] running `Command { std: "docker" "start" "-a" "53a588a2edfc677b1440f528327bc68584d5126aef96cfbbd38e2a37f5f3f314", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "53a588a2edfc677b1440f528327bc68584d5126aef96cfbbd38e2a37f5f3f314", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53a588a2edfc677b1440f528327bc68584d5126aef96cfbbd38e2a37f5f3f314", kill_on_drop: false }` [INFO] [stdout] 53a588a2edfc677b1440f528327bc68584d5126aef96cfbbd38e2a37f5f3f314 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3248bace201b6227b0ff78eacc8b00d805551a86" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d4ebf1d20dab9e9ed279ce9591ec849b88d73dd34f2dc2b7f815ce2bca7e645 [INFO] running `Command { std: "docker" "start" "-a" "8d4ebf1d20dab9e9ed279ce9591ec849b88d73dd34f2dc2b7f815ce2bca7e645", kill_on_drop: false }` [INFO] [stderr] Checking drop-check v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/lib.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 98 | let b = Boks::ne(&mut y); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/lib.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 113 | let b = Boks::ne(Oisann::ne(&mut z)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:124:13 [INFO] [stdout] | [INFO] [stdout] 124 | let mut s = String::from("hei"); [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/lib.rs:126:13 [INFO] [stdout] | [INFO] [stdout] 126 | let mut stdb2: Box<&'static str> = Box::new("hello"); [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/lib.rs:129:13 [INFO] [stdout] | [INFO] [stdout] 129 | let mut s = String::from("hei"); [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/lib.rs:131:13 [INFO] [stdout] | [INFO] [stdout] 131 | let mut stdb2: Boks<&'static str> = Boks::ne("hello"); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `stdb1` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | let mut stdb1: Box<&str> = Box::new(&*s); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_stdb1` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `stdb1` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:130:13 [INFO] [stdout] | [INFO] [stdout] 130 | let mut stdb1: Boks<&str> = Boks::ne(&*s); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_stdb1` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `stdb1` is never read [INFO] [stdout] --> src/lib.rs:127:9 [INFO] [stdout] | [INFO] [stdout] 127 | stdb1 = stdb2; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `stdb1` is never read [INFO] [stdout] --> src/lib.rs:134:9 [INFO] [stdout] | [INFO] [stdout] 134 | stdb1 = stdb2; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | Box::from_raw(self.p.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 31 | let _ = Box::from_raw(self.p.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | Box::from_raw(self.p.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 31 | let _ = Box::from_raw(self.p.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "8d4ebf1d20dab9e9ed279ce9591ec849b88d73dd34f2dc2b7f815ce2bca7e645", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d4ebf1d20dab9e9ed279ce9591ec849b88d73dd34f2dc2b7f815ce2bca7e645", kill_on_drop: false }` [INFO] [stdout] 8d4ebf1d20dab9e9ed279ce9591ec849b88d73dd34f2dc2b7f815ce2bca7e645