[INFO] crate sensorlog 0.1.0 is already in cache
[INFO] extracting crate sensorlog 0.1.0 into work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/sensorlog/0.1.0
[INFO] extracting crate sensorlog 0.1.0 into work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/sensorlog/0.1.0
[INFO] validating manifest of sensorlog-0.1.0 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sensorlog-0.1.0 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sensorlog-0.1.0
[INFO] finished frobbing sensorlog-0.1.0
[INFO] frobbed toml for sensorlog-0.1.0 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/sensorlog/0.1.0/Cargo.toml
[INFO] started frobbing sensorlog-0.1.0
[INFO] finished frobbing sensorlog-0.1.0
[INFO] frobbed toml for sensorlog-0.1.0 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/sensorlog/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sensorlog-0.1.0 against master#0f88167f89fffe321590c5148f21b7d51d44388d for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/master#0f88167f89fffe321590c5148f21b7d51d44388d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/sensorlog/0.1.0:/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" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4f8c396fb7163038eda772b9d651ac1fa25e0391c8ae0ba79bcaf16c80ec21b8
[INFO] running `"docker" "start" "-a" "4f8c396fb7163038eda772b9d651ac1fa25e0391c8ae0ba79bcaf16c80ec21b8"`
[INFO] [stderr]     Checking iron v0.4.0
[INFO] [stderr]     Checking sensorlog v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/http.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]   --> src/http.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use std::fs;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PathBuf`, `Path`
[INFO] [stderr]   --> src/http.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 | use std::path::{Path,PathBuf};
[INFO] [stderr]    |                 ^^^^ ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]   --> src/http.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 | use std::sync::{Arc,Mutex};
[INFO] [stderr]    |                 ^^^ ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]   --> src/api.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 | use serde::{Serialize, Deserialize};
[INFO] [stderr]    |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Deserialize`
[INFO] [stderr]   --> src/api_json.rs:21:24
[INFO] [stderr]    |
[INFO] [stderr] 21 | use serde::{Serialize, Deserialize};
[INFO] [stderr]    |                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/server.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/http.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]   --> src/http.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use std::fs;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PathBuf`, `Path`
[INFO] [stderr]   --> src/http.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 | use std::path::{Path,PathBuf};
[INFO] [stderr]    |                 ^^^^ ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]   --> src/http.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 | use std::sync::{Arc,Mutex};
[INFO] [stderr]    |                 ^^^ ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]   --> src/api.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 | use serde::{Serialize, Deserialize};
[INFO] [stderr]    |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Deserialize`
[INFO] [stderr]   --> src/api_json.rs:21:24
[INFO] [stderr]    |
[INFO] [stderr] 21 | use serde::{Serialize, Deserialize};
[INFO] [stderr]    |                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/server.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `datadir`
[INFO] [stderr]    --> src/server.rs:101:6
[INFO] [stderr]     |
[INFO] [stderr] 101 |     let datadir = match flags.opt_str("datadir") {
[INFO] [stderr]     |         ^^^^^^^ help: consider prefixing with an underscore: `_datadir`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/error.rs:63:10
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn from(e: ()) -> Error {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `datadir`
[INFO] [stderr]    --> src/server.rs:101:6
[INFO] [stderr]     |
[INFO] [stderr] 101 |     let datadir = match flags.opt_str("datadir") {
[INFO] [stderr]     |         ^^^^^^^ help: consider prefixing with an underscore: `_datadir`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/error.rs:63:10
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn from(e: ()) -> Error {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotFound`
[INFO] [stderr]   --> src/error.rs:24:43
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub enum ErrorCode { InternalServerError, NotFound, BadRequest }
[INFO] [stderr]    |                                           ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotFound`
[INFO] [stderr]   --> src/error.rs:24:43
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub enum ErrorCode { InternalServerError, NotFound, BadRequest }
[INFO] [stderr]    |                                           ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `"docker" "inspect" "4f8c396fb7163038eda772b9d651ac1fa25e0391c8ae0ba79bcaf16c80ec21b8"`
[INFO] running `"docker" "rm" "-f" "4f8c396fb7163038eda772b9d651ac1fa25e0391c8ae0ba79bcaf16c80ec21b8"`
[INFO] [stdout] 4f8c396fb7163038eda772b9d651ac1fa25e0391c8ae0ba79bcaf16c80ec21b8