[INFO] fetching crate context-attribute 1.0.0...
[INFO] checking context-attribute-1.0.0 against master#fd2c811d25ad5773fbd2463e058bf4edf4d44eb2 for pr-130443
[INFO] extracting crate context-attribute 1.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate context-attribute 1.0.0 on toolchain fd2c811d25ad5773fbd2463e058bf4edf4d44eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate context-attribute 1.0.0
[INFO] finished tweaking crates.io crate context-attribute 1.0.0
[INFO] tweaked toml for crates.io crate context-attribute 1.0.0 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" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.86)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.37)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.77)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding synstructure v0.12.6 (available: v0.13.1)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (available: v0.2.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2cff41c8645b39ba3a32606a7eb6f94c04f528edcf3a9efec6db88e88d426a1
[INFO] running `Command { std: "docker" "start" "-a" "b2cff41c8645b39ba3a32606a7eb6f94c04f528edcf3a9efec6db88e88d426a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2cff41c8645b39ba3a32606a7eb6f94c04f528edcf3a9efec6db88e88d426a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2cff41c8645b39ba3a32606a7eb6f94c04f528edcf3a9efec6db88e88d426a1", kill_on_drop: false }`
[INFO] [stdout] b2cff41c8645b39ba3a32606a7eb6f94c04f528edcf3a9efec6db88e88d426a1
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebc5f57cf8243b496b74a03a14dd982c1b60b7c71adb7032f2b3acc838f33046
[INFO] running `Command { std: "docker" "start" "-a" "ebc5f57cf8243b496b74a03a14dd982c1b60b7c71adb7032f2b3acc838f33046", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking gimli v0.31.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking addr2line v0.24.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking context-attribute v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused extern crate
[INFO] [stdout]   --> src/lib.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | extern crate proc_macro;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:39:45
[INFO] [stdout]    |
[INFO] [stdout] 39 | #![forbid(unsafe_code, future_incompatible, rust_2018_idioms)]
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[forbid(unused_extern_crates)]` implied by `#[forbid(rust_2018_idioms)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `context-attribute` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: unused extern crate
[INFO] [stdout]   --> src/lib.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | extern crate proc_macro;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:39:45
[INFO] [stdout]    |
[INFO] [stdout] 39 | #![forbid(unsafe_code, future_incompatible, rust_2018_idioms)]
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[forbid(unused_extern_crates)]` implied by `#[forbid(rust_2018_idioms)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `context-attribute` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ebc5f57cf8243b496b74a03a14dd982c1b60b7c71adb7032f2b3acc838f33046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc5f57cf8243b496b74a03a14dd982c1b60b7c71adb7032f2b3acc838f33046", kill_on_drop: false }`
[INFO] [stdout] ebc5f57cf8243b496b74a03a14dd982c1b60b7c71adb7032f2b3acc838f33046
