[INFO] fetching crate bookcase_alloc 0.0.2...
[INFO] testing bookcase_alloc-0.0.2 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate bookcase_alloc 0.0.2 into /workspace/builds/worker-5-tc1/source
[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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bookcase_alloc 0.0.2 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71a76381be312afd0e83928727f781dcbff7416a5c4e89df98d1bdd55158a674
[INFO] running `Command { std: "docker" "start" "-a" "71a76381be312afd0e83928727f781dcbff7416a5c4e89df98d1bdd55158a674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71a76381be312afd0e83928727f781dcbff7416a5c4e89df98d1bdd55158a674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a76381be312afd0e83928727f781dcbff7416a5c4e89df98d1bdd55158a674", kill_on_drop: false }`
[INFO] [stdout] 71a76381be312afd0e83928727f781dcbff7416a5c4e89df98d1bdd55158a674
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2da2258d4f4bbb6a417e5df8d66b805f52a2021959089f67347fb24a749023f0
[INFO] running `Command { std: "docker" "start" "-a" "2da2258d4f4bbb6a417e5df8d66b805f52a2021959089f67347fb24a749023f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling bookcase_alloc_macros v2.0.0
[INFO] [stderr]    Compiling 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] [stderr] error: could not compile `bookcase_alloc` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2da2258d4f4bbb6a417e5df8d66b805f52a2021959089f67347fb24a749023f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da2258d4f4bbb6a417e5df8d66b805f52a2021959089f67347fb24a749023f0", kill_on_drop: false }`
[INFO] [stdout] 2da2258d4f4bbb6a417e5df8d66b805f52a2021959089f67347fb24a749023f0