[INFO] updating cached repository https://github.com/yuraxdrumz/rust-tutorial
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 31bb2d295f0f2d7bdbb7c4f44bdcf23c6173ef01
[INFO] checking yuraxdrumz/rust-tutorial against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuraxdrumz%2Frust-tutorial" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuraxdrumz/rust-tutorial on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/yuraxdrumz/rust-tutorial
[INFO] finished tweaking git repo https://github.com/yuraxdrumz/rust-tutorial
[INFO] tweaked toml for git repo https://github.com/yuraxdrumz/rust-tutorial written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/yuraxdrumz/rust-tutorial already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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] 2d70dbe8610cafb1a36fb650f9aeaa5eaf336da25b89a06982d4f070ac1d5f01
[INFO] running `"docker" "start" "-a" "2d70dbe8610cafb1a36fb650f9aeaa5eaf336da25b89a06982d4f070ac1d5f01"`
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking openssl v0.10.25
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking notify v4.0.14
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking cookie v0.11.1
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]     Checking rocket_http v0.4.2
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking rocket v0.4.2
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]     Checking rocket_contrib v0.4.2
[INFO] [stderr]     Checking hello-rocket v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `DataStream`
[INFO] [stderr]  --> src/handlers/upload.rs:2:27
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rocket::data::{ Data, DataStream };
[INFO] [stderr]   |                           ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `reqwest`
[INFO] [stderr]  --> src/handlers/upload.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use reqwest;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> src/handlers/upload.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::{File};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DataStream`
[INFO] [stderr]  --> src/handlers/upload.rs:2:27
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rocket::data::{ Data, DataStream };
[INFO] [stderr]   |                           ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `reqwest`
[INFO] [stderr]  --> src/handlers/upload.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use reqwest;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> src/handlers/upload.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::{File};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `"docker" "inspect" "2d70dbe8610cafb1a36fb650f9aeaa5eaf336da25b89a06982d4f070ac1d5f01"`
[INFO] running `"docker" "rm" "-f" "2d70dbe8610cafb1a36fb650f9aeaa5eaf336da25b89a06982d4f070ac1d5f01"`
[INFO] [stdout] 2d70dbe8610cafb1a36fb650f9aeaa5eaf336da25b89a06982d4f070ac1d5f01