[INFO] fetching crate constexpr 0.0.1-alpha1...
[INFO] checking constexpr-0.0.1-alpha1 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate constexpr 0.0.1-alpha1 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate constexpr 0.0.1-alpha1 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate constexpr 0.0.1-alpha1
[INFO] finished tweaking crates.io crate constexpr 0.0.1-alpha1
[INFO] tweaked toml for crates.io crate constexpr 0.0.1-alpha1 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded constexpr-macros v0.0.1-alpha1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fffb4e1e5392af61a0ae95765e1467e37072bc4e2b1413b50bf439b365d177c
[INFO] running `Command { std: "docker" "start" "-a" "1fffb4e1e5392af61a0ae95765e1467e37072bc4e2b1413b50bf439b365d177c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fffb4e1e5392af61a0ae95765e1467e37072bc4e2b1413b50bf439b365d177c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fffb4e1e5392af61a0ae95765e1467e37072bc4e2b1413b50bf439b365d177c", kill_on_drop: false }`
[INFO] [stdout] 1fffb4e1e5392af61a0ae95765e1467e37072bc4e2b1413b50bf439b365d177c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c71ae1b23d83fa74a17dc45aa521452c04616a9a4f2144c94f27c985d862813
[INFO] running `Command { std: "docker" "start" "-a" "1c71ae1b23d83fa74a17dc45aa521452c04616a9a4f2144c94f27c985d862813", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.3
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling proc-macro-hack v0.4.3
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]    Compiling constexpr-macros v0.0.1-alpha1
[INFO] [stderr]     Checking constexpr v0.0.1-alpha1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `templates`
[INFO] [stdout]  --> tests/template_test.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate templates;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `templates`
[INFO] [stdout]  --> examples/bar_baz.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate templates;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `constexpr` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1c71ae1b23d83fa74a17dc45aa521452c04616a9a4f2144c94f27c985d862813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c71ae1b23d83fa74a17dc45aa521452c04616a9a4f2144c94f27c985d862813", kill_on_drop: false }`
[INFO] [stdout] 1c71ae1b23d83fa74a17dc45aa521452c04616a9a4f2144c94f27c985d862813