[INFO] cloning repository https://github.com/h2gb/h2datatype
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/h2gb/h2datatype" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh2gb%2Fh2datatype", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh2gb%2Fh2datatype'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8d0cea66419f0798e1ef5a62553490d74adf18f
[INFO] checking h2gb/h2datatype against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh2gb%2Fh2datatype" "/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/h2gb/h2datatype
[INFO] finished tweaking git repo https://github.com/h2gb/h2datatype
[INFO] tweaked toml for git repo https://github.com/h2gb/h2datatype written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/h2gb/h2datatype 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/h2gb/h2datatype 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]     Updating git repository `https://github.com/h2gb/sized_number.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded macaddr v1.0.1
[INFO] [stderr]   Downloaded simple-error v0.2.2
[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] 231431675e7bf3ea1e5769fcb9c1ac3047eedb77c9ec2d393a0d776ef9399a1d
[INFO] running `Command { std: "docker" "start" "-a" "231431675e7bf3ea1e5769fcb9c1ac3047eedb77c9ec2d393a0d776ef9399a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "231431675e7bf3ea1e5769fcb9c1ac3047eedb77c9ec2d393a0d776ef9399a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "231431675e7bf3ea1e5769fcb9c1ac3047eedb77c9ec2d393a0d776ef9399a1d", kill_on_drop: false }`
[INFO] [stdout] 231431675e7bf3ea1e5769fcb9c1ac3047eedb77c9ec2d393a0d776ef9399a1d
[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] 66408b592c7c0ee8f3eec224fca50ce8080501ea0e674484b7195cecab2d8da6
[INFO] running `Command { std: "docker" "start" "-a" "66408b592c7c0ee8f3eec224fca50ce8080501ea0e674484b7195cecab2d8da6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking simple-error v0.2.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking macaddr v1.0.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking ron v0.5.1
[INFO] [stderr]     Checking sized_number v0.0.0 (https://github.com/h2gb/sized_number.git?branch=dev#eee96442)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/sized_number-da455fa15017d12b/eee9644/src/lib.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 64 | #![feature(assoc_char_funcs)]
[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 `sized_number` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "66408b592c7c0ee8f3eec224fca50ce8080501ea0e674484b7195cecab2d8da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66408b592c7c0ee8f3eec224fca50ce8080501ea0e674484b7195cecab2d8da6", kill_on_drop: false }`
[INFO] [stdout] 66408b592c7c0ee8f3eec224fca50ce8080501ea0e674484b7195cecab2d8da6