[INFO] fetching crate cpclib-cpr 0.8.0...
[INFO] checking cpclib-cpr-0.8.0 against 1.95.0 for pr-155915
[INFO] extracting crate cpclib-cpr 0.8.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate cpclib-cpr 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cpclib-cpr 0.8.0
[INFO] tweaked toml for crates.io crate cpclib-cpr 0.8.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cpclib-cpr 0.8.0 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 crates.io crate cpclib-cpr 0.8.0 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 bitfield v0.14.0
[INFO] [stderr]   Downloaded resolve-path v0.1.0
[INFO] [stderr]   Downloaded cpclib-common v0.10.0
[INFO] [stderr]   Downloaded libredox v0.1.4
[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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4062cd17fcf8c42abf114e4e5ab359a211d9c427fb16e4b284249c475ee38537
[INFO] running `Command { std: "docker" "start" "-a" "4062cd17fcf8c42abf114e4e5ab359a211d9c427fb16e4b284249c475ee38537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4062cd17fcf8c42abf114e4e5ab359a211d9c427fb16e4b284249c475ee38537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4062cd17fcf8c42abf114e4e5ab359a211d9c427fb16e4b284249c475ee38537", kill_on_drop: false }`
[INFO] [stdout] 4062cd17fcf8c42abf114e4e5ab359a211d9c427fb16e4b284249c475ee38537
[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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01f94191823e641755d1299fcd3d8baab252816b86835cb01bbbff647210a13c
[INFO] running `Command { std: "docker" "start" "-a" "01f94191823e641755d1299fcd3d8baab252816b86835cb01bbbff647210a13c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling camino v1.1.10
[INFO] [stderr]     Checking bitfield v0.14.0
[INFO] [stderr]     Checking smol_str v0.2.2
[INFO] [stderr]     Checking winnow v0.6.26
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking resolve-path v0.1.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking cpclib-common v0.10.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cpclib-common-0.10.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_take)]
[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 `cpclib-common` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "01f94191823e641755d1299fcd3d8baab252816b86835cb01bbbff647210a13c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01f94191823e641755d1299fcd3d8baab252816b86835cb01bbbff647210a13c", kill_on_drop: false }`
[INFO] [stdout] 01f94191823e641755d1299fcd3d8baab252816b86835cb01bbbff647210a13c