[INFO] cloning repository https://github.com/iosmanthus/RocketMongoDemo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iosmanthus/RocketMongoDemo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiosmanthus%2FRocketMongoDemo"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiosmanthus%2FRocketMongoDemo'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f3ed7908f9fe5c4660b86d7b626a2e479dada37f
[INFO] checking iosmanthus/RocketMongoDemo against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiosmanthus%2FRocketMongoDemo" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iosmanthus/RocketMongoDemo on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/iosmanthus/RocketMongoDemo
[INFO] finished tweaking git repo https://github.com/iosmanthus/RocketMongoDemo
[INFO] tweaked toml for git repo https://github.com/iosmanthus/RocketMongoDemo written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/iosmanthus/RocketMongoDemo already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08ce743863e495e30cc7c2f20916c6325bcd82ffee07ffde36db4faf3f5bcb93
[INFO] running `"docker" "start" "-a" "08ce743863e495e30cc7c2f20916c6325bcd82ffee07ffde36db4faf3f5bcb93"`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking separator v0.3.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]    Compiling rocket_contrib_codegen v0.4.1
[INFO] [stderr]     Checking semver v0.8.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking notify v4.0.12
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking cookie v0.11.1
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.1
[INFO] [stderr]     Checking r2d2 v0.8.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling pear v0.1.2
[INFO] [stderr]     Checking rocket_http v0.4.1
[INFO] [stderr]    Compiling rocket_codegen v0.4.1
[INFO] [stderr]     Checking textnonce v0.6.5
[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]     Checking r2d2-mongodb v0.2.2
[INFO] [stderr]     Checking rocket v0.4.1
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.4.1/src/fairing/ad_hoc.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::boxed::FnBox;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `rocket`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "08ce743863e495e30cc7c2f20916c6325bcd82ffee07ffde36db4faf3f5bcb93"`
[INFO] running `"docker" "rm" "-f" "08ce743863e495e30cc7c2f20916c6325bcd82ffee07ffde36db4faf3f5bcb93"`
[INFO] [stdout] 08ce743863e495e30cc7c2f20916c6325bcd82ffee07ffde36db4faf3f5bcb93