[INFO] fetching crate rocket_failure 0.2.0...
[INFO] checking rocket_failure-0.2.0 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate rocket_failure 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rocket_failure 0.2.0 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rocket_failure 0.2.0
[INFO] finished tweaking crates.io crate rocket_failure 0.2.0
[INFO] tweaked toml for crates.io crate rocket_failure 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rocket_failure 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rocket_failure_errors v0.2.0
[INFO] [stderr]   Downloaded syn v0.15.40
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6745f2a09b14b7da0f90c89487983e80023a15a630c9c5575fc03f7743a80de4
[INFO] running `Command { std: "docker" "start" "-a" "6745f2a09b14b7da0f90c89487983e80023a15a630c9c5575fc03f7743a80de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6745f2a09b14b7da0f90c89487983e80023a15a630c9c5575fc03f7743a80de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6745f2a09b14b7da0f90c89487983e80023a15a630c9c5575fc03f7743a80de4", kill_on_drop: false }`
[INFO] [stdout] 6745f2a09b14b7da0f90c89487983e80023a15a630c9c5575fc03f7743a80de4
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1435d5b4c1d417c88e947121d0abb6f2298f25345dd6e79b35cd7cb5b9f924e
[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" "c1435d5b4c1d417c88e947121d0abb6f2298f25345dd6e79b35cd7cb5b9f924e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking backtrace v0.3.33
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling pear v0.1.2
[INFO] [stderr]     Checking rocket_http v0.4.2
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket_http-0.4.2/src/parse/uri/parser.rs:119:34
[INFO] [stdout]     |
[INFO] [stdout] 119 |             let path_and_query = pear_try!(path_and_query(is_pchar));
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: called `Option::unwrap()` on a `None` value
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket_http-0.4.2/src/parse/uri/parser.rs:119:34
[INFO] [stdout]     |
[INFO] [stdout] 119 |             let path_and_query = pear_try!(path_and_query(is_pchar));
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: called `Option::unwrap()` on a `None` value
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rocket_http`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c1435d5b4c1d417c88e947121d0abb6f2298f25345dd6e79b35cd7cb5b9f924e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1435d5b4c1d417c88e947121d0abb6f2298f25345dd6e79b35cd7cb5b9f924e", kill_on_drop: false }`
[INFO] [stdout] c1435d5b4c1d417c88e947121d0abb6f2298f25345dd6e79b35cd7cb5b9f924e