[INFO] cloning repository https://github.com/pm100/mycc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pm100/mycc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpm100%2Fmycc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpm100%2Fmycc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0cd5652ae84220aa4bc28a841d9cadad7946aa7
[INFO] checking pm100/mycc against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpm100%2Fmycc" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pm100/mycc
[INFO] finished tweaking git repo https://github.com/pm100/mycc
[INFO] tweaked toml for git repo https://github.com/pm100/mycc written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pm100/mycc on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pm100/mycc 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking pm100/mycc against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpm100%2Fmycc" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pm100/mycc
[INFO] finished tweaking git repo https://github.com/pm100/mycc
[INFO] tweaked toml for git repo https://github.com/pm100/mycc written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pm100/mycc on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pm100/mycc 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.25.1
[INFO] [stderr]       Adding adler2 v2.0.1
[INFO] [stderr]       Adding autocfg v1.5.1
[INFO] [stderr]       Adding backtrace v0.3.76
[INFO] [stderr]     Updating bitflags v2.8.0 -> v2.11.1
[INFO] [stderr]       Adding deranged v0.5.8
[INFO] [stderr]       Adding enum-as-inner v0.6.1 (available: v0.7.0)
[INFO] [stderr]       Adding fast-float v0.2.0
[INFO] [stderr]       Adding gimli v0.32.3
[INFO] [stderr]       Adding itoa v1.0.18
[INFO] [stderr]       Adding log v0.4.29
[INFO] [stderr]       Adding miniz_oxide v0.8.9
[INFO] [stderr]       Adding num-conv v0.2.2
[INFO] [stderr]       Adding num-traits v0.2.19
[INFO] [stderr]       Adding num_threads v0.1.7
[INFO] [stderr]       Adding object v0.37.3
[INFO] [stderr]       Adding powerfmt v0.2.0
[INFO] [stderr]       Adding rustc-demangle v0.1.27
[INFO] [stderr]       Adding scopeguard v1.2.0
[INFO] [stderr]       Adding serde_core v1.0.228
[INFO] [stderr]       Adding serde_derive v1.0.228
[INFO] [stderr]       Adding simplelog v0.12.2
[INFO] [stderr]       Adding termcolor v1.4.1
[INFO] [stderr]       Adding time v0.3.47
[INFO] [stderr]       Adding time-core v0.1.8
[INFO] [stderr]       Adding time-macros v0.2.27
[INFO] [stderr]       Adding winapi-util v0.1.11
[INFO] [stderr]       Adding windows-link v0.2.1
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v1.5.1
[INFO] [stderr]   Downloaded num-conv v0.2.2
[INFO] [stderr]   Downloaded simplelog v0.12.2
[INFO] [stderr]   Downloaded tempfile v3.17.1
[INFO] [stderr]   Downloaded uuid v1.14.0
[INFO] [stderr]   Downloaded clap v4.5.31
[INFO] [stderr]   Downloaded fast-float v0.2.0
[INFO] [stderr]   Downloaded clap_builder v4.5.31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1743724efa0eda3920225c54c73a6d9a614c4f5f1f413c6bf91d89cd22fee29
[INFO] running `Command { std: "docker" "start" "-a" "a1743724efa0eda3920225c54c73a6d9a614c4f5f1f413c6bf91d89cd22fee29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1743724efa0eda3920225c54c73a6d9a614c4f5f1f413c6bf91d89cd22fee29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1743724efa0eda3920225c54c73a6d9a614c4f5f1f413c6bf91d89cd22fee29", kill_on_drop: false }`
[INFO] [stdout] a1743724efa0eda3920225c54c73a6d9a614c4f5f1f413c6bf91d89cd22fee29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95c428be7d60873243d4b4a20163b41d08f2dbf0a22955d692eb264e14613636
[INFO] running `Command { std: "docker" "start" "-a" "95c428be7d60873243d4b4a20163b41d08f2dbf0a22955d692eb264e14613636", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling num-conv v0.2.2
[INFO] [stderr]     Checking deranged v0.5.8
[INFO] [stderr]    Compiling anyhow v1.0.96
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking clap_builder v4.5.31
[INFO] [stderr]     Checking shlex v1.3.0
[INFO] [stderr]    Compiling mycc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustc-demangle v0.1.27
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking cc v1.2.15
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking uuid v1.14.0
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]     Checking tempfile v3.17.1
[INFO] [stderr]     Checking simplelog v0.12.2
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]    Compiling enum-as-inner v0.6.1
[INFO] [stderr]     Checking clap v4.5.31
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]   --> src/optimizer/reaching_copies.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         function: &mut Function,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pred_copies`
[INFO] [stdout]    --> src/optimizer/reaching_copies.rs:134:25
[INFO] [stdout]     |
[INFO] [stdout] 134 |                     let pred_copies = self.graph.blocks[*pred_id].reaching_copies.clone();
[INFO] [stdout]     |                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pred_copies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]   --> src/optimizer/reaching_copies.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         function: &mut Function,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pred_copies`
[INFO] [stdout]    --> src/optimizer/reaching_copies.rs:134:25
[INFO] [stdout]     |
[INFO] [stdout] 134 |                     let pred_copies = self.graph.blocks[*pred_id].reaching_copies.clone();
[INFO] [stdout]     |                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pred_copies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `meet` is never used
[INFO] [stdout]    --> src/optimizer/reaching_copies.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout]  13 | impl Optimizer {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 121 |     fn meet(
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `meet` is never used
[INFO] [stdout]    --> src/optimizer/reaching_copies.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout]  13 | impl Optimizer {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 121 |     fn meet(
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[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 16.05s
[INFO] running `Command { std: "docker" "inspect" "95c428be7d60873243d4b4a20163b41d08f2dbf0a22955d692eb264e14613636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c428be7d60873243d4b4a20163b41d08f2dbf0a22955d692eb264e14613636", kill_on_drop: false }`
[INFO] [stdout] 95c428be7d60873243d4b4a20163b41d08f2dbf0a22955d692eb264e14613636
