[INFO] fetching crate constexpr 0.0.1-alpha1...
[INFO] testing constexpr-0.0.1-alpha1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate constexpr 0.0.1-alpha1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate constexpr 0.0.1-alpha1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d87367fbc9b5fa36d53934089e43374f7a22d9cfd3a7b907a6de14962b4f17f9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d87367fbc9b5fa36d53934089e43374f7a22d9cfd3a7b907a6de14962b4f17f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d87367fbc9b5fa36d53934089e43374f7a22d9cfd3a7b907a6de14962b4f17f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d87367fbc9b5fa36d53934089e43374f7a22d9cfd3a7b907a6de14962b4f17f9", kill_on_drop: false }`
[INFO] [stdout] d87367fbc9b5fa36d53934089e43374f7a22d9cfd3a7b907a6de14962b4f17f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8e91aef451b23d9372e714ed68eb2b563cf08903b1be9e5818248ec9e222c74
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e8e91aef451b23d9372e714ed68eb2b563cf08903b1be9e5818248ec9e222c74", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.3
[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]    Compiling constexpr v0.0.1-alpha1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.15s
[INFO] running `Command { std: "docker" "inspect" "e8e91aef451b23d9372e714ed68eb2b563cf08903b1be9e5818248ec9e222c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e91aef451b23d9372e714ed68eb2b563cf08903b1be9e5818248ec9e222c74", kill_on_drop: false }`
[INFO] [stdout] e8e91aef451b23d9372e714ed68eb2b563cf08903b1be9e5818248ec9e222c74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34ab6dc1728981cbd5d15bdaf0d05e6d6f18486998424ee8788a84d7e1b240f7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "34ab6dc1728981cbd5d15bdaf0d05e6d6f18486998424ee8788a84d7e1b240f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling constexpr v0.0.1-alpha1 (/opt/rustwide/workdir)
[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] [stderr] error: could not compile `constexpr` due to 2 previous errors
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "34ab6dc1728981cbd5d15bdaf0d05e6d6f18486998424ee8788a84d7e1b240f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ab6dc1728981cbd5d15bdaf0d05e6d6f18486998424ee8788a84d7e1b240f7", kill_on_drop: false }`
[INFO] [stdout] 34ab6dc1728981cbd5d15bdaf0d05e6d6f18486998424ee8788a84d7e1b240f7