[INFO] fetching crate rincon_core 0.1.0...
[INFO] checking rincon_core-0.1.0 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate rincon_core 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rincon_core 0.1.0 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rincon_core 0.1.0
[INFO] finished tweaking crates.io crate rincon_core 0.1.0
[INFO] tweaked toml for crates.io crate rincon_core 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", 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] cc65ae0648a6e3e557bae607b93babf9983b4e65d1d5e12cb975bed184ebb688
[INFO] running `Command { std: "docker" "start" "-a" "cc65ae0648a6e3e557bae607b93babf9983b4e65d1d5e12cb975bed184ebb688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc65ae0648a6e3e557bae607b93babf9983b4e65d1d5e12cb975bed184ebb688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc65ae0648a6e3e557bae607b93babf9983b4e65d1d5e12cb975bed184ebb688", kill_on_drop: false }`
[INFO] [stdout] cc65ae0648a6e3e557bae607b93babf9983b4e65d1d5e12cb975bed184ebb688
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3742dccfb407dca07565110ba0521aa903ce6b608b9b97874b52f03ebbc85854
[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" "3742dccfb407dca07565110ba0521aa903ce6b608b9b97874b52f03ebbc85854", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking version-sync v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rincon_core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/api/connector.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub type FutureResult<M> = Box<Future<Item=<M as Method>::Result, Error=Error>>;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=<M as Method>::Result, Error=Error>`
[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/api/connector.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub type FutureResult<M> = Box<Future<Item=<M as Method>::Result, Error=Error>>;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=<M as Method>::Result, Error=Error>`
[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/api/user_agent/mod.rs:28:27
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn version(&self) -> &Version;
[INFO] [stdout]    |                           ^^^^^^^ help: use `dyn`: `dyn Version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/api/user_agent/mod.rs:103:27
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn version(&self) -> &Version {
[INFO] [stdout]     |                           ^^^^^^^ help: use `dyn`: `dyn Version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/api/user_agent/mod.rs:28:27
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn version(&self) -> &Version;
[INFO] [stdout]    |                           ^^^^^^^ help: use `dyn`: `dyn Version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/api/user_agent/mod.rs:103:27
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn version(&self) -> &Version {
[INFO] [stdout]     |                           ^^^^^^^ help: use `dyn`: `dyn Version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.97s
[INFO] running `Command { std: "docker" "inspect" "3742dccfb407dca07565110ba0521aa903ce6b608b9b97874b52f03ebbc85854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3742dccfb407dca07565110ba0521aa903ce6b608b9b97874b52f03ebbc85854", kill_on_drop: false }`
[INFO] [stdout] 3742dccfb407dca07565110ba0521aa903ce6b608b9b97874b52f03ebbc85854