[INFO] updating cached repository https://github.com/jonasbb/mattermost-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9603f3167c725939ff7c86d191aedb4cfb80fd1b
[INFO] checking jonasbb/mattermost-rs against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonasbb%2Fmattermost-rs" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonasbb/mattermost-rs on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jonasbb/mattermost-rs
[INFO] finished tweaking git repo https://github.com/jonasbb/mattermost-rs
[INFO] tweaked toml for git repo https://github.com/jonasbb/mattermost-rs written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jonasbb/mattermost-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9de19d0c551b0f6cca1283336ae14a47d652ab031f744560e57ab76cb09712f7
[INFO] running `"docker" "start" "-a" "9de19d0c551b0f6cca1283336ae14a47d652ab031f744560e57ab76cb09712f7"`
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.0
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking serde_yaml v0.8.8
[INFO] [stderr]     Checking serde_with v1.2.0
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking ws v0.8.0
[INFO] [stderr]    Compiling chrono-tz v0.5.0
[INFO] [stderr]     Checking reqwest v0.9.11
[INFO] [stderr]     Checking mattermost_structs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 |         Ok(r#try!(d
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 |         Ok(r#try!(d
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `"docker" "inspect" "9de19d0c551b0f6cca1283336ae14a47d652ab031f744560e57ab76cb09712f7"`
[INFO] running `"docker" "rm" "-f" "9de19d0c551b0f6cca1283336ae14a47d652ab031f744560e57ab76cb09712f7"`
[INFO] [stdout] 9de19d0c551b0f6cca1283336ae14a47d652ab031f744560e57ab76cb09712f7