[INFO] cloning repository https://github.com/alexsparrow/brainlift
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexsparrow/brainlift" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexsparrow%2Fbrainlift", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexsparrow%2Fbrainlift'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a4ddaac95e8d58a8027452a6a85fe0d040b69c5
[INFO] checking alexsparrow/brainlift against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexsparrow%2Fbrainlift" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alexsparrow/brainlift
[INFO] finished tweaking git repo https://github.com/alexsparrow/brainlift
[INFO] tweaked toml for git repo https://github.com/alexsparrow/brainlift written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alexsparrow/brainlift 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] crate git repo https://github.com/alexsparrow/brainlift 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.1
[INFO] [stderr]   Downloaded errno v0.2.5
[INFO] [stderr]   Downloaded target-lexicon v0.10.0
[INFO] [stderr]   Downloaded region v2.1.2
[INFO] [stderr]   Downloaded cranelift-native v0.58.0
[INFO] [stderr]   Downloaded cranelift-simplejit v0.58.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.16
[INFO] [stderr]   Downloaded cranelift v0.58.0
[INFO] [stderr]   Downloaded cranelift-module v0.58.0
[INFO] [stderr]   Downloaded thiserror v1.0.16
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.58.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.58.0
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded cranelift-entity v0.58.0
[INFO] [stderr]   Downloaded smallvec v1.4.0
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] [stderr]   Downloaded proc-macro2 v1.0.12
[INFO] [stderr]   Downloaded cc v1.0.52
[INFO] [stderr]   Downloaded raw-cpuid v7.0.3
[INFO] [stderr]   Downloaded quote v1.0.4
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.58.0
[INFO] [stderr]   Downloaded syn v1.0.18
[INFO] [stderr]   Downloaded cranelift-codegen v0.58.0
[INFO] [stderr]   Downloaded libc v0.2.69
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] [stderr]   Downloaded cranelift-bforest v0.58.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7139cc95fbbf8fcb0020ac85346a5c758bb1b615b87b18249726f4e0132943ba
[INFO] running `Command { std: "docker" "start" "-a" "7139cc95fbbf8fcb0020ac85346a5c758bb1b615b87b18249726f4e0132943ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7139cc95fbbf8fcb0020ac85346a5c758bb1b615b87b18249726f4e0132943ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7139cc95fbbf8fcb0020ac85346a5c758bb1b615b87b18249726f4e0132943ba", kill_on_drop: false }`
[INFO] [stdout] 7139cc95fbbf8fcb0020ac85346a5c758bb1b615b87b18249726f4e0132943ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f42ae2a54c6a4f667ea7e85c2b6af63582a85097c217b664455bc24d7bc607a0
[INFO] running `Command { std: "docker" "start" "-a" "f42ae2a54c6a4f667ea7e85c2b6af63582a85097c217b664455bc24d7bc607a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling cranelift-entity v0.58.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.58.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.58.0
[INFO] [stderr]     Checking cranelift-bforest v0.58.0
[INFO] [stderr]     Checking errno v0.2.5
[INFO] [stderr]     Checking region v2.1.2
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]    Compiling cranelift-codegen v0.58.0
[INFO] [stderr]     Checking cranelift-native v0.58.0
[INFO] [stderr]     Checking cranelift-module v0.58.0
[INFO] [stderr]     Checking cranelift-frontend v0.58.0
[INFO] [stderr]     Checking cranelift-simplejit v0.58.0
[INFO] [stderr]     Checking cranelift v0.58.0
[INFO] [stderr]     Checking brainlift v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/benchmarks.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 `brainlift` (bench "benchmarks") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `brainfuck_jit`
[INFO] [stdout]  --> tests/basic.rs:2:43
[INFO] [stdout]   |
[INFO] [stdout] 2 | use brainlift::jit::{brainfuck_jit_state, brainfuck_jit};
[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 import: `DefaultStdLib`
[INFO] [stdout]  --> tests/basic.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use brainlift::{stdlib::{MockStdLib, DefaultStdLib}, state::BrainfuckState};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f42ae2a54c6a4f667ea7e85c2b6af63582a85097c217b664455bc24d7bc607a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f42ae2a54c6a4f667ea7e85c2b6af63582a85097c217b664455bc24d7bc607a0", kill_on_drop: false }`
[INFO] [stdout] f42ae2a54c6a4f667ea7e85c2b6af63582a85097c217b664455bc24d7bc607a0
