[INFO] fetching crate qube 0.4.0...
[INFO] checking qube-0.4.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate qube 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate qube 0.4.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate qube 0.4.0
[INFO] finished tweaking crates.io crate qube 0.4.0
[INFO] tweaked toml for crates.io crate qube 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded k8s-openapi v0.2.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 301ce25ae478b86e9585da1aae3dcbc2387ad60eba21cfa5c6376ed22e99692c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "301ce25ae478b86e9585da1aae3dcbc2387ad60eba21cfa5c6376ed22e99692c"`
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling k8s-openapi v0.2.0
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking qube v0.4.0 (/opt/rustwide/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: 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: 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: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/clients/low_level.rs:349:90
[INFO] [stderr]     |
[INFO] [stderr] 349 |                         let data = format!("{}{}\n", resname, from_utf8(&chunk).unwrap().trim_right());
[INFO] [stderr]     |                                                                                          ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/clients/low_level.rs:349:90
[INFO] [stderr]     |
[INFO] [stderr] 349 |                         let data = format!("{}{}\n", resname, from_utf8(&chunk).unwrap().trim_right());
[INFO] [stderr]     |                                                                                          ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / error_chain! {
[INFO] [stderr] 4  | |     foreign_links {
[INFO] [stderr] 5  | |         Io(::std::io::Error);
[INFO] [stderr] 6  | |         Json(::serde_json::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 10 | |     }
[INFO] [stderr] 11 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / error_chain! {
[INFO] [stderr] 4  | |     foreign_links {
[INFO] [stderr] 5  | |         Io(::std::io::Error);
[INFO] [stderr] 6  | |         Json(::serde_json::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 10 | |     }
[INFO] [stderr] 11 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[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: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: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 49.52s
[INFO] running `"docker" "inspect" "301ce25ae478b86e9585da1aae3dcbc2387ad60eba21cfa5c6376ed22e99692c"`
[INFO] running `"docker" "rm" "-f" "301ce25ae478b86e9585da1aae3dcbc2387ad60eba21cfa5c6376ed22e99692c"`
[INFO] [stdout] 301ce25ae478b86e9585da1aae3dcbc2387ad60eba21cfa5c6376ed22e99692c