[INFO] updating cached repository https://github.com/Celti/eris
[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] 20b0ce56d0481384aa21ecf8dfbdf2626f5c88c3
[INFO] checking Celti/eris against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCelti%2Feris" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Celti/eris on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Celti/eris
[INFO] finished tweaking git repo https://github.com/Celti/eris
[INFO] tweaked toml for git repo https://github.com/Celti/eris written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Celti/eris already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] 1955a94c65f658ac227231e9f5033ee14f0469b16ae9c6abdcf34b43f13a1efa
[INFO] running `"docker" "start" "-a" "1955a94c65f658ac227231e9f5033ee14f0469b16ae9c6abdcf34b43f13a1efa"`
[INFO] [stderr]    Compiling syn v0.15.39
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[INFO] [stderr]     Checking maplit v1.0.1
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[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling sys-info v0.5.7
[INFO] [stderr]    Compiling libsystemd-sys v0.2.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
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[INFO] [stderr]    Compiling phf_generator v0.7.24
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[INFO] [stderr]    Compiling failure_derive v0.1.5
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[INFO] [stderr]     Checking eris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/main.rs:23:46
[INFO] [stderr]    |
[INFO] [stderr] 23 |     if std::env::var("RUST_LOG_TARGET").ok().as_deref() == Some("systemd") {
[INFO] [stderr]    |                                              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `model::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]    = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/main.rs:23:46
[INFO] [stderr]    |
[INFO] [stderr] 23 |     if std::env::var("RUST_LOG_TARGET").ok().as_deref() == Some("systemd") {
[INFO] [stderr]    |                                              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `model::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]    = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 55s
[INFO] running `"docker" "inspect" "1955a94c65f658ac227231e9f5033ee14f0469b16ae9c6abdcf34b43f13a1efa"`
[INFO] running `"docker" "rm" "-f" "1955a94c65f658ac227231e9f5033ee14f0469b16ae9c6abdcf34b43f13a1efa"`
[INFO] [stdout] 1955a94c65f658ac227231e9f5033ee14f0469b16ae9c6abdcf34b43f13a1efa