[INFO] cloning repository https://github.com/playXE/runtime [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/playXE/runtime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fruntime", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fruntime'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4df148d809d63416d585d37d41a4ec3b09079e29 [INFO] checking playXE/runtime against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fruntime" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/playXE/runtime [INFO] finished tweaking git repo https://github.com/playXE/runtime [INFO] tweaked toml for git repo https://github.com/playXE/runtime written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/playXE/runtime on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/playXE/runtime 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" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c9afe58b98d0d3c4ed091ada5321f98f86a4ab5d9611fe99508d49640f0cd84d [INFO] running `Command { std: "docker" "start" "-a" "c9afe58b98d0d3c4ed091ada5321f98f86a4ab5d9611fe99508d49640f0cd84d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c9afe58b98d0d3c4ed091ada5321f98f86a4ab5d9611fe99508d49640f0cd84d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9afe58b98d0d3c4ed091ada5321f98f86a4ab5d9611fe99508d49640f0cd84d", kill_on_drop: false }` [INFO] [stdout] c9afe58b98d0d3c4ed091ada5321f98f86a4ab5d9611fe99508d49640f0cd84d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d6b841eb3e84f471121ce21ecfd63be4b96a5f963cbcb43bd7b1ee628fe3728e [INFO] running `Command { std: "docker" "start" "-a" "d6b841eb3e84f471121ce21ecfd63be4b96a5f963cbcb43bd7b1ee628fe3728e", kill_on_drop: false }` [INFO] [stderr] Checking runtime v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::cycleanalysis::*` [INFO] [stdout] --> src/analysis/hammockgraph.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::cycleanalysis::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::cfg::*` [INFO] [stdout] --> src/analysis/saferegion.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::cfg::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::cycleanalysis::*` [INFO] [stdout] --> src/analysis/hammockgraph.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::cycleanalysis::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::cfg::*` [INFO] [stdout] --> src/analysis/saferegion.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::cfg::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/analysis/hammockgraph.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 146 | let mut new_hammock = unvisited.get(&entry).cloned().unwrap(); [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/analysis/hammockgraph.rs:155:17 [INFO] [stdout] | [INFO] [stdout] 155 | let mut v: Rc> = v.clone(); [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/analysis/hammockgraph.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 146 | let mut new_hammock = unvisited.get(&entry).cloned().unwrap(); [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/analysis/hammockgraph.rs:155:17 [INFO] [stdout] | [INFO] [stdout] 155 | let mut v: Rc> = v.clone(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cfg`, `dom`, `post_dom`, `cycle`, `hammockgraph`, and `saferegion` are never read [INFO] [stdout] --> src/analysis/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Analysis<'a> { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 8 | cfg: &'a crate::cfg::ControlFlowGraph, [INFO] [stdout] | ^^^ [INFO] [stdout] 9 | dom: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] 10 | post_dom: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 11 | cycle: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | hammockgraph: Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 13 | saferegion: Option, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cfg`, `dom`, `post_dom`, `cycle`, `hammockgraph`, and `saferegion` are never read [INFO] [stdout] --> src/analysis/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Analysis<'a> { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 8 | cfg: &'a crate::cfg::ControlFlowGraph, [INFO] [stdout] | ^^^ [INFO] [stdout] 9 | dom: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] 10 | post_dom: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 11 | cycle: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | hammockgraph: Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 13 | saferegion: Option, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut b2 = cfg.insert_block(CodeBlockRef::new(block)); [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/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut b2 = cfg.insert_block(CodeBlockRef::new(block)); [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "d6b841eb3e84f471121ce21ecfd63be4b96a5f963cbcb43bd7b1ee628fe3728e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6b841eb3e84f471121ce21ecfd63be4b96a5f963cbcb43bd7b1ee628fe3728e", kill_on_drop: false }` [INFO] [stdout] d6b841eb3e84f471121ce21ecfd63be4b96a5f963cbcb43bd7b1ee628fe3728e