[INFO] updating cached repository zwirec/http_server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zwirec/http_server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zwirec/http_server" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/zwirec/http_server"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/zwirec/http_server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zwirec/http_server" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/zwirec/http_server"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/zwirec/http_server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3c0c350bb618b6238b1f3f6d08bff449b67a42f4
[INFO] sha for GitHub repo zwirec/http_server: 3c0c350bb618b6238b1f3f6d08bff449b67a42f4
[INFO] validating manifest of zwirec/http_server on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zwirec/http_server on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zwirec/http_server
[INFO] finished frobbing zwirec/http_server
[INFO] frobbed toml for zwirec/http_server written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/zwirec/http_server/Cargo.toml
[INFO] started frobbing zwirec/http_server
[INFO] finished frobbing zwirec/http_server
[INFO] frobbed toml for zwirec/http_server written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/zwirec/http_server/Cargo.toml
[INFO] crate zwirec/http_server already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking zwirec/http_server against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-1/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/zwirec/http_server:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 656a7c95568b382dd79be705f5aa48a770eec1e1fca04fe9f04cd6d6a350a96d
[INFO] running `"docker" "start" "-a" "656a7c95568b382dd79be705f5aa48a770eec1e1fca04fe9f04cd6d6a350a96d"`
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]     Checking libc v0.2.38
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking strum v0.8.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking regex v0.2.6
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]    Compiling strum_macros v0.8.0
[INFO] [stderr]     Checking http_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/server/server.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::SeekFrom`
[INFO] [stderr]   --> src/server/server.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::SeekFrom;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Task`
[INFO] [stderr]  --> src/server/thread_pool.rs:1:32
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ::server::worker::{Worker, Task};
[INFO] [stderr]   |                                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::chrono::prelude::*`
[INFO] [stderr]  --> src/server/response.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::chrono::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `EnumProperty`
[INFO] [stderr]  --> src/server/response.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 | use strum::{EnumProperty, EnumMessage};
[INFO] [stderr]   |             ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/server/response.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::string::ToString`
[INFO] [stderr]   --> src/server/response.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::string::ToString;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/server/server.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::SeekFrom`
[INFO] [stderr]   --> src/server/server.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::SeekFrom;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Task`
[INFO] [stderr]  --> src/server/thread_pool.rs:1:32
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ::server::worker::{Worker, Task};
[INFO] [stderr]   |                                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::chrono::prelude::*`
[INFO] [stderr]  --> src/server/response.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::chrono::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `EnumProperty`
[INFO] [stderr]  --> src/server/response.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 | use strum::{EnumProperty, EnumMessage};
[INFO] [stderr]   |             ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/server/response.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::string::ToString`
[INFO] [stderr]   --> src/server/response.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::string::ToString;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/server/request.rs:127:13
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let len = p.len();
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_len`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `sub_path` is never read
[INFO] [stderr]    --> src/server/request.rs:186:17
[INFO] [stderr]     |
[INFO] [stderr] 186 |         let mut sub_path = String::from("");
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/server/request.rs:127:13
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let len = p.len();
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_len`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `sub_path` is never read
[INFO] [stderr]    --> src/server/request.rs:186:17
[INFO] [stderr]     |
[INFO] [stderr] 186 |         let mut sub_path = String::from("");
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `workers`
[INFO] [stderr]  --> src/server/thread_pool.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     workers: Vec<Worker>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]   --> src/server/server.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_attributes)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server/response.rs:134:29
[INFO] [stderr]     |
[INFO] [stderr] 134 |                             f.seek(SeekFrom::Start(n as u64));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `workers`
[INFO] [stderr]  --> src/server/thread_pool.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     workers: Vec<Worker>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]   --> src/server/server.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_attributes)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server/response.rs:134:29
[INFO] [stderr]     |
[INFO] [stderr] 134 |                             f.seek(SeekFrom::Start(n as u64));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.25s
[INFO] running `"docker" "inspect" "656a7c95568b382dd79be705f5aa48a770eec1e1fca04fe9f04cd6d6a350a96d"`
[INFO] running `"docker" "rm" "-f" "656a7c95568b382dd79be705f5aa48a770eec1e1fca04fe9f04cd6d6a350a96d"`
[INFO] [stdout] 656a7c95568b382dd79be705f5aa48a770eec1e1fca04fe9f04cd6d6a350a96d