[INFO] fetching crate iso 0.0.8...
[INFO] testing iso-0.0.8 against 1.69.0 for beta-1.70-1
[INFO] extracting crate iso 0.0.8 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate iso 0.0.8 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iso 0.0.8
[INFO] finished tweaking crates.io crate iso 0.0.8
[INFO] tweaked toml for crates.io crate iso 0.0.8 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iso-macro v0.0.5
[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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3b66d2f165c8eea30a2cf8d0db2dc5bd4f6ded82b96f299b539b463afd3b441
[INFO] running `Command { std: "docker" "start" "-a" "c3b66d2f165c8eea30a2cf8d0db2dc5bd4f6ded82b96f299b539b463afd3b441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3b66d2f165c8eea30a2cf8d0db2dc5bd4f6ded82b96f299b539b463afd3b441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b66d2f165c8eea30a2cf8d0db2dc5bd4f6ded82b96f299b539b463afd3b441", kill_on_drop: false }`
[INFO] [stdout] c3b66d2f165c8eea30a2cf8d0db2dc5bd4f6ded82b96f299b539b463afd3b441
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f43fa68ded8e9fbebe27bd29c2da24c2766071568603be0be963b31f59898961
[INFO] running `Command { std: "docker" "start" "-a" "f43fa68ded8e9fbebe27bd29c2da24c2766071568603be0be963b31f59898961", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling iso-macro v0.0.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/iso-macro-0.0.5/src/lib.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iso-macro` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f43fa68ded8e9fbebe27bd29c2da24c2766071568603be0be963b31f59898961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f43fa68ded8e9fbebe27bd29c2da24c2766071568603be0be963b31f59898961", kill_on_drop: false }`
[INFO] [stdout] f43fa68ded8e9fbebe27bd29c2da24c2766071568603be0be963b31f59898961
