[INFO] fetching crate ghost 0.1.1...
[INFO] checking ghost-0.1.1 against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] extracting crate ghost 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ghost 0.1.1 on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ghost 0.1.1
[INFO] finished tweaking crates.io crate ghost 0.1.1
[INFO] tweaked toml for crates.io crate ghost 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b83965ccb1b69083b7b1e0aa1a1e2f081d1e2bbb1e124ea5d8ceee9c190a2768
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b83965ccb1b69083b7b1e0aa1a1e2f081d1e2bbb1e124ea5d8ceee9c190a2768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b83965ccb1b69083b7b1e0aa1a1e2f081d1e2bbb1e124ea5d8ceee9c190a2768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b83965ccb1b69083b7b1e0aa1a1e2f081d1e2bbb1e124ea5d8ceee9c190a2768", kill_on_drop: false }`
[INFO] [stdout] b83965ccb1b69083b7b1e0aa1a1e2f081d1e2bbb1e124ea5d8ceee9c190a2768
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 21c95fc6a5f91ea60aa4cec2811fd37ba602a7e137e10eeeff66b261e0af8837
[INFO] running `Command { std: "docker" "start" "-a" "21c95fc6a5f91ea60aa4cec2811fd37ba602a7e137e10eeeff66b261e0af8837", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking syn v1.0.31
[INFO] [stderr]     Checking ghost v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/variance.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn apply(param: &mut HasVarianceAttribute, base: TokenStream) -> TokenStream {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HasVarianceAttribute`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/variance.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn apply(param: &mut HasVarianceAttribute, base: TokenStream) -> TokenStream {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HasVarianceAttribute`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.39s
[INFO] running `Command { std: "docker" "inspect" "21c95fc6a5f91ea60aa4cec2811fd37ba602a7e137e10eeeff66b261e0af8837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21c95fc6a5f91ea60aa4cec2811fd37ba602a7e137e10eeeff66b261e0af8837", kill_on_drop: false }`
[INFO] [stdout] 21c95fc6a5f91ea60aa4cec2811fd37ba602a7e137e10eeeff66b261e0af8837