[INFO] cloning repository https://github.com/nathanlubchenco/perf_experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nathanlubchenco/perf_experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanlubchenco%2Fperf_experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanlubchenco%2Fperf_experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0cded048123253d3b08e36c69a782f33a14170d
[INFO] checking nathanlubchenco/perf_experiments/a0cded048123253d3b08e36c69a782f33a14170d against master#818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc for pr-156114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanlubchenco%2Fperf_experiments" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nathanlubchenco/perf_experiments
[INFO] finished tweaking git repo https://github.com/nathanlubchenco/perf_experiments
[INFO] tweaked toml for git repo https://github.com/nathanlubchenco/perf_experiments written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nathanlubchenco/perf_experiments on toolchain 818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nathanlubchenco/perf_experiments 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" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 540d4ec8b8c69ea568cdec56821b37b577b4a734b2ee9d84b4082ae842317d00
[INFO] running `Command { std: "docker" "start" "-a" "540d4ec8b8c69ea568cdec56821b37b577b4a734b2ee9d84b4082ae842317d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "540d4ec8b8c69ea568cdec56821b37b577b4a734b2ee9d84b4082ae842317d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "540d4ec8b8c69ea568cdec56821b37b577b4a734b2ee9d84b4082ae842317d00", kill_on_drop: false }`
[INFO] [stdout] 540d4ec8b8c69ea568cdec56821b37b577b4a734b2ee9d84b4082ae842317d00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5301b8cfa3f4758a817a5dd03e5c048a44dd7760255bedddee1bbbdee2660574
[INFO] running `Command { std: "docker" "start" "-a" "5301b8cfa3f4758a817a5dd03e5c048a44dd7760255bedddee1bbbdee2660574", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling serde v1.0.166
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v0.38.2
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking clap_builder v4.3.10
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.38.2/src/backend/linux_raw/io/errno.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_start(0xf001))]
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.38.2/src/backend/linux_raw/io/errno.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_end(0xffff))]
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_layout_scalar_valid_range_start` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.38.2/src/backend/linux_raw/io/errno.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_start(0xf001))]
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_layout_scalar_valid_range_end` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.38.2/src/backend/linux_raw/io/errno.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_end(0xffff))]
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr] error: could not compile `rustix` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5301b8cfa3f4758a817a5dd03e5c048a44dd7760255bedddee1bbbdee2660574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5301b8cfa3f4758a817a5dd03e5c048a44dd7760255bedddee1bbbdee2660574", kill_on_drop: false }`
[INFO] [stdout] 5301b8cfa3f4758a817a5dd03e5c048a44dd7760255bedddee1bbbdee2660574
