[INFO] fetching crate flamegraph 0.6.2...
[INFO] crate flamegraph 0.6.2 is already in cache
[INFO] crate flamegraph 0.6.2 is already in cache
[INFO] crate flamegraph 0.6.2 is already in cache
[INFO] crate flamegraph 0.6.2 is already in cache
[INFO] crate flamegraph 0.6.2 is already in cache
[INFO] crate flamegraph 0.6.2 is already in cache
[INFO] crate flamegraph 0.6.2 is already in cache
[INFO] crate flamegraph 0.6.2 is already in cache
[INFO] crate flamegraph 0.6.2 is already in cache
[INFO] crate flamegraph 0.6.2 is already in cache
[INFO] crate flamegraph 0.6.2 is already in cache
[INFO] crate flamegraph 0.6.2 is already in cache
[INFO] crate flamegraph 0.6.2 is already in cache
[INFO] crate flamegraph 0.6.2 is already in cache
[INFO] checking flamegraph-0.6.2 against try#ff47dd48ed0d02534055e0033cf766ce528f8ebc for pr-99447
[INFO] extracting crate flamegraph 0.6.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate flamegraph 0.6.2 on toolchain ff47dd48ed0d02534055e0033cf766ce528f8ebc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flamegraph 0.6.2
[INFO] finished tweaking crates.io crate flamegraph 0.6.2
[INFO] tweaked toml for crates.io crate flamegraph 0.6.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate flamegraph 0.6.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9788a020e0eb6c35715dcf6edee45e3885fdd4d0a6b25ccbcd99ade2f0d84245
[INFO] running `Command { std: "docker" "start" "-a" "9788a020e0eb6c35715dcf6edee45e3885fdd4d0a6b25ccbcd99ade2f0d84245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9788a020e0eb6c35715dcf6edee45e3885fdd4d0a6b25ccbcd99ade2f0d84245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9788a020e0eb6c35715dcf6edee45e3885fdd4d0a6b25ccbcd99ade2f0d84245", kill_on_drop: false }`
[INFO] [stdout] 9788a020e0eb6c35715dcf6edee45e3885fdd4d0a6b25ccbcd99ade2f0d84245
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0904b25dce1924cb392e6d92d20fbef601e73b21088429ebf29a01b446d20656
[INFO] running `Command { std: "docker" "start" "-a" "0904b25dce1924cb392e6d92d20fbef601e73b21088429ebf29a01b446d20656", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.41
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling camino v1.0.9
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling semver v1.0.12
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking bytemuck v1.11.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking rgb v0.8.33
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking quick-xml v0.23.0
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking dashmap v5.3.4
[INFO] [stderr]     Checking opener v0.5.0
[INFO] [stderr]     Checking inferno v0.11.6
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]     Checking clap v3.2.14
[INFO] [stderr]     Checking clap_complete v3.2.3
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking cargo_metadata v0.15.0
[INFO] [stderr]     Checking flamegraph v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.75s
[INFO] running `Command { std: "docker" "inspect" "0904b25dce1924cb392e6d92d20fbef601e73b21088429ebf29a01b446d20656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0904b25dce1924cb392e6d92d20fbef601e73b21088429ebf29a01b446d20656", kill_on_drop: false }`
[INFO] [stdout] 0904b25dce1924cb392e6d92d20fbef601e73b21088429ebf29a01b446d20656