[INFO] cloning repository https://github.com/Icerath/bit_array
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Icerath/bit_array" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIcerath%2Fbit_array", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIcerath%2Fbit_array'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee06336985bfdcf27e9de41e3f74deaf269bd71a
[INFO] checking Icerath/bit_array against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIcerath%2Fbit_array" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Icerath/bit_array
[INFO] finished tweaking git repo https://github.com/Icerath/bit_array
[INFO] tweaked toml for git repo https://github.com/Icerath/bit_array written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Icerath/bit_array on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Icerath/bit_array 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c5338a2dcdcfbb63e2b65f6421da9abb7bc52beb6aa550a92787b33b7568c45
[INFO] running `Command { std: "docker" "start" "-a" "1c5338a2dcdcfbb63e2b65f6421da9abb7bc52beb6aa550a92787b33b7568c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c5338a2dcdcfbb63e2b65f6421da9abb7bc52beb6aa550a92787b33b7568c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c5338a2dcdcfbb63e2b65f6421da9abb7bc52beb6aa550a92787b33b7568c45", kill_on_drop: false }`
[INFO] [stdout] 1c5338a2dcdcfbb63e2b65f6421da9abb7bc52beb6aa550a92787b33b7568c45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9b8c626be66acb39d0e91bc3d1c9dccdbc80019a96f815d3fbc5ab6c4e26ebb
[INFO] running `Command { std: "docker" "start" "-a" "d9b8c626be66acb39d0e91bc3d1c9dccdbc80019a96f815d3fbc5ab6c4e26ebb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking crossbeam-utils v0.8.15
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking bit_array v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/lib.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/lib.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.54/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking ciborium-ll v0.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking plotters v0.3.4
[INFO] [stderr]     Checking clap v3.2.23
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d9b8c626be66acb39d0e91bc3d1c9dccdbc80019a96f815d3fbc5ab6c4e26ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b8c626be66acb39d0e91bc3d1c9dccdbc80019a96f815d3fbc5ab6c4e26ebb", kill_on_drop: false }`
[INFO] [stdout] d9b8c626be66acb39d0e91bc3d1c9dccdbc80019a96f815d3fbc5ab6c4e26ebb
