[INFO] cloning repository https://github.com/faassen/flatten-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/faassen/flatten-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaassen%2Fflatten-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaassen%2Fflatten-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48a86095233d6c5eb90c73051fbe41a4ffa3ea22
[INFO] checking faassen/flatten-rust against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaassen%2Fflatten-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/faassen/flatten-rust
[INFO] finished tweaking git repo https://github.com/faassen/flatten-rust
[INFO] tweaked toml for git repo https://github.com/faassen/flatten-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/faassen/flatten-rust on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/faassen/flatten-rust 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc65a29e6a96cdb500a3c423eed12c0d5e30bf5d9e8c8d00cb31b1e84bd1b23d
[INFO] running `Command { std: "docker" "start" "-a" "fc65a29e6a96cdb500a3c423eed12c0d5e30bf5d9e8c8d00cb31b1e84bd1b23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc65a29e6a96cdb500a3c423eed12c0d5e30bf5d9e8c8d00cb31b1e84bd1b23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc65a29e6a96cdb500a3c423eed12c0d5e30bf5d9e8c8d00cb31b1e84bd1b23d", kill_on_drop: false }`
[INFO] [stdout] fc65a29e6a96cdb500a3c423eed12c0d5e30bf5d9e8c8d00cb31b1e84bd1b23d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e60e70eee5431a114fde6624679e4869b099f69599cb46f4cbc97343b4e9cb2
[INFO] running `Command { std: "docker" "start" "-a" "9e60e70eee5431a114fde6624679e4869b099f69599cb46f4cbc97343b4e9cb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]     Checking regex-lite v0.1.6
[INFO] [stderr]     Checking condtype v1.3.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking terminal_size v0.4.1
[INFO] [stderr]     Checking clap_builder v4.5.23
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking clap v4.5.23
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling divan-macros v0.1.17
[INFO] [stderr]     Checking divan v0.1.17
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking flatten-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `black_box`
[INFO] [stdout]  --> benches/flatten.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use divan::{black_box, Bencher};
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.00s
[INFO] running `Command { std: "docker" "inspect" "9e60e70eee5431a114fde6624679e4869b099f69599cb46f4cbc97343b4e9cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e60e70eee5431a114fde6624679e4869b099f69599cb46f4cbc97343b4e9cb2", kill_on_drop: false }`
[INFO] [stdout] 9e60e70eee5431a114fde6624679e4869b099f69599cb46f4cbc97343b4e9cb2