[INFO] fetching crate bookcase_alloc 0.0.2...
[INFO] checking bookcase_alloc-0.0.2 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate bookcase_alloc 0.0.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bookcase_alloc 0.0.2 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bookcase_alloc 0.0.2
[INFO] finished tweaking crates.io crate bookcase_alloc 0.0.2
[INFO] tweaked toml for crates.io crate bookcase_alloc 0.0.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bookcase_alloc_macros v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8121ebe6f010c73aa73cdd33a15f9f7045df44c96c1d786e4e93bf478e7af4fc
[INFO] running `Command { std: "docker" "start" "-a" "8121ebe6f010c73aa73cdd33a15f9f7045df44c96c1d786e4e93bf478e7af4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8121ebe6f010c73aa73cdd33a15f9f7045df44c96c1d786e4e93bf478e7af4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8121ebe6f010c73aa73cdd33a15f9f7045df44c96c1d786e4e93bf478e7af4fc", kill_on_drop: false }`
[INFO] [stdout] 8121ebe6f010c73aa73cdd33a15f9f7045df44c96c1d786e4e93bf478e7af4fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1e6699b8d535db071d3c78c14d272009575c103fcffd941973cfdcbb5551756
[INFO] running `Command { std: "docker" "start" "-a" "b1e6699b8d535db071d3c78c14d272009575c103fcffd941973cfdcbb5551756", kill_on_drop: false }`
[INFO] [stderr]    Compiling bookcase_alloc_macros v2.0.0
[INFO] [stderr]     Checking bookcase_alloc v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: [bookcase_alloc] 0.0.2 is an experimental version, but stable feature was enabled.
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | ::bookcase_alloc_macros::assert_release_channel!();
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `::bookcase_alloc_macros::assert_release_channel` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: [bookcase_alloc] 0.0.2 is an experimental version, but experimental feature was disabled.
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | ::bookcase_alloc_macros::assert_release_channel!();
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `::bookcase_alloc_macros::assert_release_channel` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clone_chapters` is never used
[INFO] [stdout]    --> src/notebook.rs:264:19
[INFO] [stdout]     |
[INFO] [stdout] 242 | impl<A: BookcaseAllocator, U: Utensil> PublicMultiNotebook<A, U> {
[INFO] [stdout]     | ---------------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 264 |     pub(crate) fn clone_chapters(&self) -> [Vec<Vec<u8>>; NUM_ALIGNS] {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bookcase_alloc` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b1e6699b8d535db071d3c78c14d272009575c103fcffd941973cfdcbb5551756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1e6699b8d535db071d3c78c14d272009575c103fcffd941973cfdcbb5551756", kill_on_drop: false }`
[INFO] [stdout] b1e6699b8d535db071d3c78c14d272009575c103fcffd941973cfdcbb5551756
