[INFO] updating cached repository https://github.com/mmmpa/rust_simple_bbs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 5bf60ad7d850778580cb977500fb6f4b69e787df
[INFO] checking mmmpa/rust_simple_bbs against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmmpa%2Frust_simple_bbs" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmmpa/rust_simple_bbs on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mmmpa/rust_simple_bbs
[INFO] finished tweaking git repo https://github.com/mmmpa/rust_simple_bbs
[INFO] tweaked toml for git repo https://github.com/mmmpa/rust_simple_bbs written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mmmpa/rust_simple_bbs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f8dacc4d4d7d370cff502bbf4745d561206edcf6096672deea4af35108fcba68
[INFO] running `"docker" "start" "-a" "f8dacc4d4d7d370cff502bbf4745d561206edcf6096672deea4af35108fcba68"`
[INFO] [stderr]    Compiling pulldown-cmark v0.4.0
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking tokio v0.1.17
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking persistent v0.4.0
[INFO] [stderr]     Checking hyper v0.12.25
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]     Checking reqwest v0.9.12
[INFO] [stderr]     Checking bodyparser v0.8.0
[INFO] [stderr]     Checking html5ever v0.22.5
[INFO] [stderr]     Checking ammonia v2.0.0
[INFO] [stderr]     Checking simple_board v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> src/common_error.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem::replace`
[INFO] [stderr]  --> src/common_error.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::mem::replace;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `IronError`
[INFO] [stderr]  --> src/middleware.rs:4:51
[INFO] [stderr]   |
[INFO] [stderr] 4 | use iron::{BeforeMiddleware, Request, IronResult, IronError, AfterMiddleware, Response, typemap};
[INFO] [stderr]   |                                                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iron::prelude`
[INFO] [stderr]  --> src/middleware.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use iron::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/common_error.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |             Err(e) => Err(CommonError::new_boxed(key, error)),
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> src/common_error.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem::replace`
[INFO] [stderr]  --> src/common_error.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::mem::replace;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `IronError`
[INFO] [stderr]  --> src/middleware.rs:4:51
[INFO] [stderr]   |
[INFO] [stderr] 4 | use iron::{BeforeMiddleware, Request, IronResult, IronError, AfterMiddleware, Response, typemap};
[INFO] [stderr]   |                                                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iron::prelude`
[INFO] [stderr]  --> src/middleware.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use iron::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/common_error.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |             Err(e) => Err(CommonError::new_boxed(key, error)),
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.14s
[INFO] running `"docker" "inspect" "f8dacc4d4d7d370cff502bbf4745d561206edcf6096672deea4af35108fcba68"`
[INFO] running `"docker" "rm" "-f" "f8dacc4d4d7d370cff502bbf4745d561206edcf6096672deea4af35108fcba68"`
[INFO] [stdout] f8dacc4d4d7d370cff502bbf4745d561206edcf6096672deea4af35108fcba68