[INFO] updating cached repository https://github.com/jonasbb/mattermost-rs
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9603f3167c725939ff7c86d191aedb4cfb80fd1b
[INFO] checking jonasbb/mattermost-rs against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonasbb%2Fmattermost-rs" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonasbb/mattermost-rs on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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 /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jonasbb/mattermost-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 57ab12506dc7e07256e341b8efd190ba97075ed20509eecf65418907496a0937
[INFO] running `"docker" "start" "-a" "57ab12506dc7e07256e341b8efd190ba97075ed20509eecf65418907496a0937"`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]     Checking cfg-if v0.1.7
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[INFO] [stderr]    Compiling version_check v0.1.5
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[INFO] [stderr]    Compiling openssl v0.10.19
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[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
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[INFO] [stderr]     Checking arrayvec v0.4.10
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[INFO] [stderr]     Checking rand_chacha v0.1.1
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[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
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[INFO] [stderr]     Checking http v0.1.16
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[INFO] [stderr]     Checking tokio-threadpool v0.1.12
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[INFO] [stderr]    Compiling phf_generator v0.7.24
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[INFO] [stderr]    Compiling serde_derive v1.0.89
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[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 47s
[INFO] running `"docker" "inspect" "57ab12506dc7e07256e341b8efd190ba97075ed20509eecf65418907496a0937"`
[INFO] running `"docker" "rm" "-f" "57ab12506dc7e07256e341b8efd190ba97075ed20509eecf65418907496a0937"`
[INFO] [stdout] 57ab12506dc7e07256e341b8efd190ba97075ed20509eecf65418907496a0937