[INFO] cloning repository https://github.com/estrandv/jdw-sc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/estrandv/jdw-sc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Festrandv%2Fjdw-sc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Festrandv%2Fjdw-sc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36172354a29328278921a73bf05eba32a81ef41e
[INFO] checking estrandv/jdw-sc against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Festrandv%2Fjdw-sc" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/estrandv/jdw-sc
[INFO] finished tweaking git repo https://github.com/estrandv/jdw-sc
[INFO] tweaked toml for git repo https://github.com/estrandv/jdw-sc written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/estrandv/jdw-sc 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/estrandv/jdw-sc 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 git repository `https://github.com/estrandv/jdw-osc-lib.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v1.0.13
[INFO] [stderr]   Downloaded colored v2.1.0
[INFO] [stderr]   Downloaded rosc v0.10.1
[INFO] [stderr]   Downloaded ctrlc v3.4.5
[INFO] [stderr]   Downloaded bigdecimal v0.4.6
[INFO] [stderr]   Downloaded serde_json v1.0.133
[INFO] [stderr]   Downloaded syn v2.0.89
[INFO] [stderr]   Downloaded libc v0.2.164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d4fa82729e541c19860b291cc5b8f160bd56b0e88b620e79a222f290e66a3cba
[INFO] running `Command { std: "docker" "start" "-a" "d4fa82729e541c19860b291cc5b8f160bd56b0e88b620e79a222f290e66a3cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4fa82729e541c19860b291cc5b8f160bd56b0e88b620e79a222f290e66a3cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4fa82729e541c19860b291cc5b8f160bd56b0e88b620e79a222f290e66a3cba", kill_on_drop: false }`
[INFO] [stdout] d4fa82729e541c19860b291cc5b8f160bd56b0e88b620e79a222f290e66a3cba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] efd4a9cb9110fd7bb2dfe06bf75ac15178f1fcd50a4ad6f2ecec1e0f53786f39
[INFO] running `Command { std: "docker" "start" "-a" "efd4a9cb9110fd7bb2dfe06bf75ac15178f1fcd50a4ad6f2ecec1e0f53786f39", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling bigdecimal v0.4.6
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking itoa v1.0.13
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking subprocess v0.2.9
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking rosc v0.10.1
[INFO] [stderr]     Checking ctrlc v3.4.5
[INFO] [stderr]     Checking simple_logger v5.0.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking jdw-osc-lib v0.1.1 (https://github.com/estrandv/jdw-osc-lib.git?branch=master#54e5d466)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/jdw-osc-lib-435ed4bb783be6e7/54e5d46/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(result_flattening)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr] error: could not compile `jdw-osc-lib` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "efd4a9cb9110fd7bb2dfe06bf75ac15178f1fcd50a4ad6f2ecec1e0f53786f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efd4a9cb9110fd7bb2dfe06bf75ac15178f1fcd50a4ad6f2ecec1e0f53786f39", kill_on_drop: false }`
[INFO] [stdout] efd4a9cb9110fd7bb2dfe06bf75ac15178f1fcd50a4ad6f2ecec1e0f53786f39