[INFO] crate rsst 0.1.0 is already in cache
[INFO] checking rsst-0.1.0 against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] extracting crate rsst 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rsst 0.1.0 on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rsst 0.1.0
[INFO] finished tweaking crates.io crate rsst 0.1.0
[INFO] tweaked toml for crates.io crate rsst 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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] f8c140211038081043db558d924e5d40f869c0082d4b240935b8d8f7a6577bd2
[INFO] running `"docker" "start" "-a" "f8c140211038081043db558d924e5d40f869c0082d4b240935b8d8f7a6577bd2"`
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking string_cache v0.7.5
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking rss v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.45
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]     Checking html5ever v0.22.5
[INFO] [stderr]     Checking rsst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/downstream.rs:172:39
[INFO] [stderr]     |
[INFO] [stderr] 172 |     pub fn serialize(&self, out: &mut io::Write) {
[INFO] [stderr]     |                                       ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/downstream.rs:172:39
[INFO] [stderr]     |
[INFO] [stderr] 172 |     pub fn serialize(&self, out: &mut io::Write) {
[INFO] [stderr]     |                                       ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.83s
[INFO] running `"docker" "inspect" "f8c140211038081043db558d924e5d40f869c0082d4b240935b8d8f7a6577bd2"`
[INFO] running `"docker" "rm" "-f" "f8c140211038081043db558d924e5d40f869c0082d4b240935b8d8f7a6577bd2"`
[INFO] [stdout] f8c140211038081043db558d924e5d40f869c0082d4b240935b8d8f7a6577bd2