[INFO] updating cached repository https://github.com/yorodm/awstail
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/yorodm/awstail
[INFO] [stderr]    8f335be..7a536db  develop    -> develop
[INFO] [stderr]    8b9d67a..33232e8  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 33232e80504a3c4f82a41c4ebff98fe97e869cb0
[INFO] checking yorodm/awstail against try#662bf71cc5bbfe44a109ab5b7205e12ec319754c for pr-67531
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyorodm%2Fawstail" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yorodm/awstail on toolchain 662bf71cc5bbfe44a109ab5b7205e12ec319754c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/yorodm/awstail
[INFO] finished tweaking git repo https://github.com/yorodm/awstail
[INFO] tweaked toml for git repo https://github.com/yorodm/awstail written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/yorodm/awstail already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "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] c783cd519a900d7ae9c061ac737ac25464b305689fffede7e57103b2e9fe69cb
[INFO] running `"docker" "start" "-a" "c783cd519a900d7ae9c061ac737ac25464b305689fffede7e57103b2e9fe69cb"`
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling rusoto_core v0.34.0
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v0.2.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking console v0.6.2
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking rusoto_credential v0.13.0
[INFO] [stderr]     Checking rusoto_logs v0.34.0
[INFO] [stderr]     Checking awstail v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/cmd.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 142 | /     loop {
[INFO] [stderr] 143 | |         match fetch_logs(&client, req, timeout.unwrap()) {
[INFO] [stderr] 144 | |             AWSResponse::Token(x) => {
[INFO] [stderr] 145 | |                 token = Some(x);
[INFO] [stderr] ...   |
[INFO] [stderr] 153 | |         };
[INFO] [stderr] 154 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 155 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/cmd.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 142 | /     loop {
[INFO] [stderr] 143 | |         match fetch_logs(&client, req, timeout.unwrap()) {
[INFO] [stderr] 144 | |             AWSResponse::Token(x) => {
[INFO] [stderr] 145 | |                 token = Some(x);
[INFO] [stderr] ...   |
[INFO] [stderr] 153 | |         };
[INFO] [stderr] 154 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 155 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.17s
[INFO] running `"docker" "inspect" "c783cd519a900d7ae9c061ac737ac25464b305689fffede7e57103b2e9fe69cb"`
[INFO] running `"docker" "rm" "-f" "c783cd519a900d7ae9c061ac737ac25464b305689fffede7e57103b2e9fe69cb"`
[INFO] [stdout] c783cd519a900d7ae9c061ac737ac25464b305689fffede7e57103b2e9fe69cb