[INFO] cloning repository https://github.com/synchronal/medic-ext-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/synchronal/medic-ext-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsynchronal%2Fmedic-ext-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsynchronal%2Fmedic-ext-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 077ec25bfc8a828869b9002f2804037b71f0fe84
[INFO] checking synchronal/medic-ext-rust against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsynchronal%2Fmedic-ext-rust" "/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/synchronal/medic-ext-rust
[INFO] finished tweaking git repo https://github.com/synchronal/medic-ext-rust
[INFO] tweaked toml for git repo https://github.com/synchronal/medic-ext-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/synchronal/medic-ext-rust 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/synchronal/medic-ext-rust 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded medic-lib v0.3.0
[INFO] [stderr]   Downloaded quote v1.0.45
[INFO] [stderr]   Downloaded colorchoice v1.0.5
[INFO] [stderr]   Downloaded clap_lex v1.1.0
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.11
[INFO] [stderr]   Downloaded zmij v1.0.21
[INFO] [stderr]   Downloaded bit-set v0.8.0
[INFO] [stderr]   Downloaded terminal_size v0.4.4
[INFO] [stderr]   Downloaded anstyle-query v1.1.5
[INFO] [stderr]   Downloaded is_terminal_polyfill v1.70.2
[INFO] [stderr]   Downloaded heck v0.5.0
[INFO] [stderr]   Downloaded once_cell_polyfill v1.70.2
[INFO] [stderr]   Downloaded anstyle-parse v1.0.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.106
[INFO] [stderr]   Downloaded utf8parse v0.2.2
[INFO] [stderr]   Downloaded which v8.0.2
[INFO] [stderr]   Downloaded anstream v1.0.0
[INFO] [stderr]   Downloaded bit-vec v0.8.0
[INFO] [stderr]   Downloaded unicase v2.9.0
[INFO] [stderr]   Downloaded either v1.15.0
[INFO] [stderr]   Downloaded clap_derive v4.6.1
[INFO] [stderr]   Downloaded serde_derive v1.0.228
[INFO] [stderr]   Downloaded bitflags v2.11.1
[INFO] [stderr]   Downloaded clap v4.6.1
[INFO] [stderr]   Downloaded serde_core v1.0.228
[INFO] [stderr]   Downloaded serde v1.0.228
[INFO] [stderr]   Downloaded memchr v2.8.0
[INFO] [stderr]   Downloaded serde_json v1.0.149
[INFO] [stderr]   Downloaded rustversion v1.0.22
[INFO] [stderr]   Downloaded itertools v0.14.0
[INFO] [stderr]   Downloaded fancy-regex v0.18.0
[INFO] [stderr]   Downloaded aho-corasick v1.1.4
[INFO] [stderr]   Downloaded clap_builder v4.6.0
[INFO] [stderr]   Downloaded regex v1.12.3
[INFO] [stderr]   Downloaded unicode-ident v1.0.24
[INFO] [stderr]   Downloaded itoa v1.0.18
[INFO] [stderr]   Downloaded unicode-width v0.2.2
[INFO] [stderr]   Downloaded syn v2.0.117
[INFO] [stderr]   Downloaded strsim v0.11.1
[INFO] [stderr]   Downloaded windows-link v0.2.1
[INFO] [stderr]   Downloaded anstyle v1.0.14
[INFO] [stderr]   Downloaded errno v0.3.14
[INFO] [stderr]   Downloaded regex-syntax v0.8.10
[INFO] [stderr]   Downloaded rustix v1.1.4
[INFO] [stderr]   Downloaded indoc v2.0.7
[INFO] [stderr]   Downloaded regex-automata v0.4.14
[INFO] [stderr]   Downloaded libc v0.2.186
[INFO] [stderr]   Downloaded windows-sys v0.61.2
[INFO] [stderr]   Downloaded linux-raw-sys v0.12.1
[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] 6ae9c5e097b7e44acb28b7e4af83f96755bc44f3c0ef17b8dae73ce2117069a0
[INFO] running `Command { std: "docker" "start" "-a" "6ae9c5e097b7e44acb28b7e4af83f96755bc44f3c0ef17b8dae73ce2117069a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ae9c5e097b7e44acb28b7e4af83f96755bc44f3c0ef17b8dae73ce2117069a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae9c5e097b7e44acb28b7e4af83f96755bc44f3c0ef17b8dae73ce2117069a0", kill_on_drop: false }`
[INFO] [stdout] 6ae9c5e097b7e44acb28b7e4af83f96755bc44f3c0ef17b8dae73ce2117069a0
[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] e3a38a005007cb58cdf5180cafd195174c19e9af051c3f898ea76d4a0fb9ff24
[INFO] running `Command { std: "docker" "start" "-a" "e3a38a005007cb58cdf5180cafd195174c19e9af051c3f898ea76d4a0fb9ff24", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking anstyle-query v1.1.5
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking anstyle v1.0.14
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]     Checking colorchoice v1.0.5
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking clap_lex v1.1.0
[INFO] [stderr]     Checking unicase v2.9.0
[INFO] [stderr]     Checking anstyle-parse v1.0.0
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking itoa v1.0.18
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking anstream v1.0.0
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking terminal_size v0.4.4
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]     Checking which v8.0.2
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking fancy-regex v0.18.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling clap_derive v4.6.1
[INFO] [stderr]     Checking clap v4.6.1
[INFO] [stderr]     Checking medic-lib v0.3.0
[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/medic-lib-0.3.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(try_trait_v2, try_trait_v2_residual)]
[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 `medic-lib` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e3a38a005007cb58cdf5180cafd195174c19e9af051c3f898ea76d4a0fb9ff24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a38a005007cb58cdf5180cafd195174c19e9af051c3f898ea76d4a0fb9ff24", kill_on_drop: false }`
[INFO] [stdout] e3a38a005007cb58cdf5180cafd195174c19e9af051c3f898ea76d4a0fb9ff24