[INFO] cloning repository https://github.com/shinrabansyo/compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shinrabansyo/compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshinrabansyo%2Fcompiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshinrabansyo%2Fcompiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7caafc133cc272b2e66de0a191eea9601ff1010c
[INFO] checking shinrabansyo/compiler against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshinrabansyo%2Fcompiler" "/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/shinrabansyo/compiler
[INFO] finished tweaking git repo https://github.com/shinrabansyo/compiler
[INFO] tweaked toml for git repo https://github.com/shinrabansyo/compiler written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shinrabansyo/compiler 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/shinrabansyo/compiler 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/shinrabansyo/assembler.git`
[INFO] [stderr]     Updating git repository `https://github.com/shinrabansyo/debugger.git`
[INFO] [stderr]     Updating git repository `https://github.com/Tsukuba-Programming-Lab/Copager`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex-macro v0.2.0
[INFO] [stderr]   Downloaded thiserror v2.0.3
[INFO] [stderr]   Downloaded anyhow v1.0.93
[INFO] [stderr]   Downloaded thiserror-impl v2.0.3
[INFO] [stderr]   Downloaded syn v2.0.89
[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] 905846f5acfad467280beb8bd86c860e681752c9503293f30a2247a47d1798f1
[INFO] running `Command { std: "docker" "start" "-a" "905846f5acfad467280beb8bd86c860e681752c9503293f30a2247a47d1798f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "905846f5acfad467280beb8bd86c860e681752c9503293f30a2247a47d1798f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "905846f5acfad467280beb8bd86c860e681752c9503293f30a2247a47d1798f1", kill_on_drop: false }`
[INFO] [stdout] 905846f5acfad467280beb8bd86c860e681752c9503293f30a2247a47d1798f1
[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] 46445c7cbb16f00f0b3b02c3168c89ea22ab725e5e0e6fc993504b083fdb58b4
[INFO] running `Command { std: "docker" "start" "-a" "46445c7cbb16f00f0b3b02c3168c89ea22ab725e5e0e6fc993504b083fdb58b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling thiserror v2.0.3
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.3
[INFO] [stderr]     Checking regex-macro v0.2.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling copager_cfl_derive v0.3.0 (https://github.com/Tsukuba-Programming-Lab/Copager?rev=0e26c8373c5a0bff919d807026f141224e19a036#0e26c837)
[INFO] [stderr]    Compiling copager_core_macros v0.3.0 (https://github.com/Tsukuba-Programming-Lab/Copager?rev=0e26c8373c5a0bff919d807026f141224e19a036#0e26c837)
[INFO] [stderr]    Compiling copager_ir_derive v0.3.0 (https://github.com/Tsukuba-Programming-Lab/Copager?rev=0e26c8373c5a0bff919d807026f141224e19a036#0e26c837)
[INFO] [stderr]     Checking sb_compiler_lirgen_ir v0.1.0 (/opt/rustwide/workdir/compiler/crates/lirgen_ir)
[INFO] [stderr]     Checking sb_emu_state v0.1.0 (https://github.com/shinrabansyo/debugger.git?rev=42a188476d8acae250a77a39bc5db409c5a60a56#42a18847)
[INFO] [stderr]     Checking sb_asm v0.1.0 (https://github.com/shinrabansyo/assembler.git?rev=16955a950b30a2c879f4acd7dff661db6d2bf741#16955a95)
[INFO] [stderr]    Compiling sb_emu_inst_macros v0.1.0 (https://github.com/shinrabansyo/debugger.git?rev=42a188476d8acae250a77a39bc5db409c5a60a56#42a18847)
[INFO] [stderr]     Checking sb_compiler_codegen v0.1.0 (/opt/rustwide/workdir/compiler/crates/codegen)
[INFO] [stderr]     Checking sb_emu_inst v0.1.0 (https://github.com/shinrabansyo/debugger.git?rev=42a188476d8acae250a77a39bc5db409c5a60a56#42a18847)
[INFO] [stderr]     Checking sb_emu v0.1.0 (https://github.com/shinrabansyo/debugger.git?rev=42a188476d8acae250a77a39bc5db409c5a60a56#42a18847)
[INFO] [stderr]     Checking copager_cfl v0.3.0 (https://github.com/Tsukuba-Programming-Lab/Copager?rev=0e26c8373c5a0bff919d807026f141224e19a036#0e26c837)
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking copager_utils v0.3.0 (https://github.com/Tsukuba-Programming-Lab/Copager?rev=0e26c8373c5a0bff919d807026f141224e19a036#0e26c837)
[INFO] [stderr]     Checking copager_parse_common v0.3.0 (https://github.com/Tsukuba-Programming-Lab/Copager?rev=0e26c8373c5a0bff919d807026f141224e19a036#0e26c837)
[INFO] [stderr]     Checking copager_lex v0.3.0 (https://github.com/Tsukuba-Programming-Lab/Copager?rev=0e26c8373c5a0bff919d807026f141224e19a036#0e26c837)
[INFO] [stderr]     Checking copager_parse v0.3.0 (https://github.com/Tsukuba-Programming-Lab/Copager?rev=0e26c8373c5a0bff919d807026f141224e19a036#0e26c837)
[INFO] [stderr]     Checking copager_lex_regex v0.3.0 (https://github.com/Tsukuba-Programming-Lab/Copager?rev=0e26c8373c5a0bff919d807026f141224e19a036#0e26c837)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/copager-e4fcd223542fc96b/0e26c83/crates/lex_regex/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(gen_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking copager_ir v0.3.0 (https://github.com/Tsukuba-Programming-Lab/Copager?rev=0e26c8373c5a0bff919d807026f141224e19a036#0e26c837)
[INFO] [stderr]     Checking copager_parse_lr_common v0.3.0 (https://github.com/Tsukuba-Programming-Lab/Copager?rev=0e26c8373c5a0bff919d807026f141224e19a036#0e26c837)
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `copager_lex_regex` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/copager-e4fcd223542fc96b/0e26c83/crates/parse_lr_common/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(gen_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `copager_parse_lr_common` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "46445c7cbb16f00f0b3b02c3168c89ea22ab725e5e0e6fc993504b083fdb58b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46445c7cbb16f00f0b3b02c3168c89ea22ab725e5e0e6fc993504b083fdb58b4", kill_on_drop: false }`
[INFO] [stdout] 46445c7cbb16f00f0b3b02c3168c89ea22ab725e5e0e6fc993504b083fdb58b4