[INFO] fetching crate mcdata 0.4.0...
[INFO] checking mcdata-0.4.0 against try#44e31dee3cf6f37b4f652572897bb0eb25c477ee for pr-139763
[INFO] extracting crate mcdata 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate mcdata 0.4.0 on toolchain 44e31dee3cf6f37b4f652572897bb0eb25c477ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate mcdata 0.4.0
[INFO] finished tweaking crates.io crate mcdata 0.4.0
[INFO] tweaked toml for crates.io crate mcdata 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding strum v0.26.3 (available: v0.27.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 045eb5b3cf48719ab2fbae281bbaf7e2b341dedc4256ff969ded835baa55774e
[INFO] running `Command { std: "docker" "start" "-a" "045eb5b3cf48719ab2fbae281bbaf7e2b341dedc4256ff969ded835baa55774e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "045eb5b3cf48719ab2fbae281bbaf7e2b341dedc4256ff969ded835baa55774e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "045eb5b3cf48719ab2fbae281bbaf7e2b341dedc4256ff969ded835baa55774e", kill_on_drop: false }`
[INFO] [stdout] 045eb5b3cf48719ab2fbae281bbaf7e2b341dedc4256ff969ded835baa55774e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b6db418e65a8a1e9336d99885fd88213885d4b89a94e67cf6327676af3b0542
[INFO] running `Command { std: "docker" "start" "-a" "7b6db418e65a8a1e9336d99885fd88213885d4b89a94e67cf6327676af3b0542", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling mcdata v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking serde_bytes v0.11.17
[INFO] [stderr]     Checking fastnbt v2.5.0
[INFO] [stdout] warning: unexpected `cfg` condition name: `CHANNEL_NIGHTLY`
[INFO] [stdout]  --> src/lib.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(all(doc, CHANNEL_NIGHTLY), feature(doc_auto_cfg))]
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(CHANNEL_NIGHTLY)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(CHANNEL_NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `CHANNEL_NIGHTLY`
[INFO] [stdout]  --> src/lib.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(all(doc, CHANNEL_NIGHTLY), feature(doc_auto_cfg))]
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(CHANNEL_NIGHTLY)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(CHANNEL_NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.39s
[INFO] running `Command { std: "docker" "inspect" "7b6db418e65a8a1e9336d99885fd88213885d4b89a94e67cf6327676af3b0542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b6db418e65a8a1e9336d99885fd88213885d4b89a94e67cf6327676af3b0542", kill_on_drop: false }`
[INFO] [stdout] 7b6db418e65a8a1e9336d99885fd88213885d4b89a94e67cf6327676af3b0542