[INFO] fetching crate libecc 0.2.2...
[INFO] checking libecc-0.2.2 against 1.95.0 for pr-155915
[INFO] extracting crate libecc 0.2.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate libecc 0.2.2
[INFO] finished tweaking crates.io crate libecc 0.2.2
[INFO] tweaked toml for crates.io crate libecc 0.2.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libecc 0.2.2 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] [stderr]       Adding phf v0.10.1 (available: v0.13.1)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce63abacd957eb2ee3d44a03131d0eac3fb21439c8db39ca96478506a3d42a51
[INFO] running `Command { std: "docker" "start" "-a" "ce63abacd957eb2ee3d44a03131d0eac3fb21439c8db39ca96478506a3d42a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce63abacd957eb2ee3d44a03131d0eac3fb21439c8db39ca96478506a3d42a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce63abacd957eb2ee3d44a03131d0eac3fb21439c8db39ca96478506a3d42a51", kill_on_drop: false }`
[INFO] [stdout] ce63abacd957eb2ee3d44a03131d0eac3fb21439c8db39ca96478506a3d42a51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eef3d1b7b717bc807b49a0b5e8c1faa30bbf09f59b475385d4638cb97948fe59
[INFO] running `Command { std: "docker" "start" "-a" "eef3d1b7b717bc807b49a0b5e8c1faa30bbf09f59b475385d4638cb97948fe59", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking libecc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Context`, `Error`, and `bail`
[INFO] [stdout]  --> src/error.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use anyhow::{anyhow, bail, ensure, Context, Error, Result};
[INFO] [stdout]   |                          ^^^^          ^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context`, `Error`, and `bail`
[INFO] [stdout]  --> src/error.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use anyhow::{anyhow, bail, ensure, Context, Error, Result};
[INFO] [stdout]   |                          ^^^^          ^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/bench_hamming.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/bench_rs.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libecc` (bench "bench_hamming") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libecc` (bench "bench_rs") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "eef3d1b7b717bc807b49a0b5e8c1faa30bbf09f59b475385d4638cb97948fe59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef3d1b7b717bc807b49a0b5e8c1faa30bbf09f59b475385d4638cb97948fe59", kill_on_drop: false }`
[INFO] [stdout] eef3d1b7b717bc807b49a0b5e8c1faa30bbf09f59b475385d4638cb97948fe59
