[INFO] cloning repository https://github.com/zapo/chelle
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zapo/chelle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzapo%2Fchelle"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzapo%2Fchelle'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fb600525708879df370311b0a77670cc3aeb1cb2
[INFO] checking zapo/chelle against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzapo%2Fchelle" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zapo/chelle on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zapo/chelle
[INFO] finished tweaking git repo https://github.com/zapo/chelle
[INFO] tweaked toml for git repo https://github.com/zapo/chelle written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/zapo/chelle already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9779ffb33e77339d3e9a8507479fbd7ecb226bfb673aafd445b2f0cf69632543
[INFO] running `"docker" "start" "-a" "9779ffb33e77339d3e9a8507479fbd7ecb226bfb673aafd445b2f0cf69632543"`
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking chelle v0.1.0 (/opt/rustwide/workdir)
[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/builtins.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::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/builtins.rs:11:17
[INFO] [stderr]    |
[INFO] [stderr] 11 |         None => home_dir().unwrap()
[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/builtins.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::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/builtins.rs:11:17
[INFO] [stderr]    |
[INFO] [stderr] 11 |         None => home_dir().unwrap()
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cd`
[INFO] [stderr]  --> src/builtins.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn cd(args: &[&str]) -> nix::Result<()> {
[INFO] [stderr]   |        ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `echo`
[INFO] [stderr]   --> src/builtins.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn echo(args: &[&str]) -> nix::Result<()> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `exit`
[INFO] [stderr]   --> src/builtins.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn exit(args: &[&str]) -> nix::Result<()> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(slice_patterns)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cd`
[INFO] [stderr]  --> src/builtins.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn cd(args: &[&str]) -> nix::Result<()> {
[INFO] [stderr]   |        ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `echo`
[INFO] [stderr]   --> src/builtins.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn echo(args: &[&str]) -> nix::Result<()> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `exit`
[INFO] [stderr]   --> src/builtins.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn exit(args: &[&str]) -> nix::Result<()> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(slice_patterns)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.45s
[INFO] running `"docker" "inspect" "9779ffb33e77339d3e9a8507479fbd7ecb226bfb673aafd445b2f0cf69632543"`
[INFO] running `"docker" "rm" "-f" "9779ffb33e77339d3e9a8507479fbd7ecb226bfb673aafd445b2f0cf69632543"`
[INFO] [stdout] 9779ffb33e77339d3e9a8507479fbd7ecb226bfb673aafd445b2f0cf69632543