[INFO] crate kt 0.0.7 is already in cache
[INFO] checking kt-0.0.7 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate kt 0.0.7 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate kt 0.0.7 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate kt 0.0.7
[INFO] finished tweaking crates.io crate kt 0.0.7
[INFO] tweaked toml for crates.io crate kt 0.0.7 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2eca2064eccafe96fd25d88e69cb9a215e73a9bf511599222cfbcd2b5ffd63d6
[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" "2eca2064eccafe96fd25d88e69cb9a215e73a9bf511599222cfbcd2b5ffd63d6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking kt v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]   --> src/kt.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 7  | use std::io::prelude::*;
[INFO] [stderr]    |     ------------------- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 55 |             use std::io::Write;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]   --> src/kt.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 7  | use std::io::prelude::*;
[INFO] [stderr]    |     ------------------- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 55 |             use std::io::Write;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kt.rs:104:54
[INFO] [stderr]     |
[INFO] [stderr] 104 |     format!("Error {} output file: {}", operation, e.description())
[INFO] [stderr]     |                                                      ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kt.rs:104:54
[INFO] [stderr]     |
[INFO] [stderr] 104 |     format!("Error {} output file: {}", operation, e.description())
[INFO] [stderr]     |                                                      ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.51s
[INFO] running `"docker" "inspect" "2eca2064eccafe96fd25d88e69cb9a215e73a9bf511599222cfbcd2b5ffd63d6"`
[INFO] running `"docker" "rm" "-f" "2eca2064eccafe96fd25d88e69cb9a215e73a9bf511599222cfbcd2b5ffd63d6"`
[INFO] [stdout] 2eca2064eccafe96fd25d88e69cb9a215e73a9bf511599222cfbcd2b5ffd63d6