[INFO] crate qube 0.4.0 is already in cache
[INFO] extracting crate qube 0.4.0 into work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/qube/0.4.0
[INFO] extracting crate qube 0.4.0 into work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/qube/0.4.0
[INFO] validating manifest of qube-0.4.0 on toolchain master#2bde39b8edce6463e1c37f8a8082a875e7b536b1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of qube-0.4.0 on toolchain try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing qube-0.4.0
[INFO] finished frobbing qube-0.4.0
[INFO] frobbed toml for qube-0.4.0 written to work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/qube/0.4.0/Cargo.toml
[INFO] started frobbing qube-0.4.0
[INFO] finished frobbing qube-0.4.0
[INFO] frobbed toml for qube-0.4.0 written to work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/qube/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking qube-0.4.0 against master#2bde39b8edce6463e1c37f8a8082a875e7b536b1 for pr-57483
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57483/worker-7/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/qube/0.4.0:/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" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8e406b12dd6e784286a5de335f5f46355e99adc45838581c7023c6fbff2f7a29
[INFO] running `"docker" "start" "-a" "8e406b12dd6e784286a5de335f5f46355e99adc45838581c7023c6fbff2f7a29"`
[INFO] [stderr]    Compiling k8s-openapi v0.2.0
[INFO] [stderr]     Checking qube v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/clients/low_level.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Client`, `Decoder`
[INFO] [stderr]   --> src/clients/low_level.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 | use reqwest::async::{Client, Decoder};
[INFO] [stderr]    |                      ^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Cursor`
[INFO] [stderr]   --> src/clients/low_level.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::io::{self, Cursor, Write};
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/config.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         env::home_dir()
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/clients/low_level.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Client`, `Decoder`
[INFO] [stderr]   --> src/clients/low_level.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 | use reqwest::async::{Client, Decoder};
[INFO] [stderr]    |                      ^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Cursor`
[INFO] [stderr]   --> src/clients/low_level.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::io::{self, Cursor, Write};
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/config.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         env::home_dir()
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/clients/low_level.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let mut headers = header::HeaderMap::new();
[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/clients/low_level.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut headers_async = header::HeaderMap::new();
[INFO] [stderr]    |             ----^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/clients/low_level.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut client = reqwest::Client::builder();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/clients/low_level.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut async_client = reqwest::async::Client::builder();
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/clients/low_level.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let mut client = if let Some(ca_cert) = cluster.ca_cert() {
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/clients/low_level.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let mut async_client = if let Some(ca_cert) = cluster.ca_cert() {
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/clients/low_level.rs:338:29
[INFO] [stderr]     |
[INFO] [stderr] 338 |             .and_then(move |mut res| {
[INFO] [stderr]     |                             ----^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/clients/low_level.rs:332:13
[INFO] [stderr]     |
[INFO] [stderr] 332 |         let mut req = self.auth_async(self.async_client.get(url));
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/clients/low_level.rs:336:13
[INFO] [stderr]     |
[INFO] [stderr] 336 |         let mut response = req
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/clients/low_level.rs:364:13
[INFO] [stderr]     |
[INFO] [stderr] 364 |         let mut req = self.auth(self.client.get(url));
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/clients/low_level.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let mut headers = header::HeaderMap::new();
[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/clients/low_level.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut headers_async = header::HeaderMap::new();
[INFO] [stderr]    |             ----^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/clients/low_level.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut client = reqwest::Client::builder();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/clients/low_level.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut async_client = reqwest::async::Client::builder();
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/clients/low_level.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let mut client = if let Some(ca_cert) = cluster.ca_cert() {
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/clients/low_level.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let mut async_client = if let Some(ca_cert) = cluster.ca_cert() {
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/clients/low_level.rs:338:29
[INFO] [stderr]     |
[INFO] [stderr] 338 |             .and_then(move |mut res| {
[INFO] [stderr]     |                             ----^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/clients/low_level.rs:332:13
[INFO] [stderr]     |
[INFO] [stderr] 332 |         let mut req = self.auth_async(self.async_client.get(url));
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/clients/low_level.rs:336:13
[INFO] [stderr]     |
[INFO] [stderr] 336 |         let mut response = req
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/clients/low_level.rs:364:13
[INFO] [stderr]     |
[INFO] [stderr] 364 |         let mut req = self.auth(self.client.get(url));
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.51s
[INFO] running `"docker" "inspect" "8e406b12dd6e784286a5de335f5f46355e99adc45838581c7023c6fbff2f7a29"`
[INFO] running `"docker" "rm" "-f" "8e406b12dd6e784286a5de335f5f46355e99adc45838581c7023c6fbff2f7a29"`
[INFO] [stdout] 8e406b12dd6e784286a5de335f5f46355e99adc45838581c7023c6fbff2f7a29