[INFO] updating cached repository lethe2211/iron_sample [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/lethe2211/iron_sample [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/lethe2211/iron_sample" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/lethe2211/iron_sample"` [INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/lethe2211/iron_sample'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/lethe2211/iron_sample" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/lethe2211/iron_sample"` [INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/lethe2211/iron_sample'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b37506d0d519b2e9ef4de3e7c98875816673a6ea [INFO] sha for GitHub repo lethe2211/iron_sample: b37506d0d519b2e9ef4de3e7c98875816673a6ea [INFO] validating manifest of lethe2211/iron_sample on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of lethe2211/iron_sample on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing lethe2211/iron_sample [INFO] finished frobbing lethe2211/iron_sample [INFO] frobbed toml for lethe2211/iron_sample written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/lethe2211/iron_sample/Cargo.toml [INFO] started frobbing lethe2211/iron_sample [INFO] finished frobbing lethe2211/iron_sample [INFO] frobbed toml for lethe2211/iron_sample written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/lethe2211/iron_sample/Cargo.toml [INFO] crate lethe2211/iron_sample already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking lethe2211/iron_sample against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-4/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/lethe2211/iron_sample:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] bd0429c90f85b07820b805bd1d26c56ed067aa0304237ea37d0bdba2afafdc19 [INFO] running `"docker" "start" "-a" "bd0429c90f85b07820b805bd1d26c56ed067aa0304237ea37d0bdba2afafdc19"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking serde_json v1.0.1 [INFO] [stderr] Checking native-tls v0.1.2 [INFO] [stderr] Checking iron v0.5.1 [INFO] [stderr] Checking hyper-native-tls v0.2.2 [INFO] [stderr] Checking router v0.5.1 [INFO] [stderr] Checking iron_example v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::convert::From` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::convert::From; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Handler` [INFO] [stderr] --> src/main.rs:17:12 [INFO] [stderr] | [INFO] [stderr] 17 | use iron::{Handler}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Error` [INFO] [stderr] --> src/main.rs:22:25 [INFO] [stderr] | [INFO] [stderr] 22 | use serde_json::{Value, Error}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::convert::From` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::convert::From; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Handler` [INFO] [stderr] --> src/main.rs:17:12 [INFO] [stderr] | [INFO] [stderr] 17 | use iron::{Handler}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Error` [INFO] [stderr] --> src/main.rs:22:25 [INFO] [stderr] | [INFO] [stderr] 22 | use serde_json::{Value, Error}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/main.rs:39:17 [INFO] [stderr] | [INFO] [stderr] 39 | let mut res = client.get(url) [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_res` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `query` [INFO] [stderr] --> src/main.rs:52:17 [INFO] [stderr] | [INFO] [stderr] 52 | let ref query = req.extensions.get::().unwrap().find("query").unwrap_or("/"); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_query` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/main.rs:39:17 [INFO] [stderr] | [INFO] [stderr] 39 | let mut res = client.get(url) [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_res` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `query` [INFO] [stderr] --> src/main.rs:52:17 [INFO] [stderr] | [INFO] [stderr] 52 | let ref query = req.extensions.get::().unwrap().find("query").unwrap_or("/"); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_query` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:39:13 [INFO] [stderr] | [INFO] [stderr] 39 | let mut res = client.get(url) [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:39:13 [INFO] [stderr] | [INFO] [stderr] 39 | let mut res = client.get(url) [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.20s [INFO] running `"docker" "inspect" "bd0429c90f85b07820b805bd1d26c56ed067aa0304237ea37d0bdba2afafdc19"` [INFO] running `"docker" "rm" "-f" "bd0429c90f85b07820b805bd1d26c56ed067aa0304237ea37d0bdba2afafdc19"` [INFO] [stdout] bd0429c90f85b07820b805bd1d26c56ed067aa0304237ea37d0bdba2afafdc19