[INFO] fetching crate lavish 0.4.0...
[INFO] checking lavish-0.4.0 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate lavish 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate lavish 0.4.0 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lavish 0.4.0
[INFO] finished tweaking crates.io crate lavish 0.4.0
[INFO] tweaked toml for crates.io crate lavish 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39d6aece122b645fed897c1fb148f2f426342a983474bc02d4950a6fab867ca5
[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" "39d6aece122b645fed897c1fb148f2f426342a983474bc02d4950a6fab867ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39d6aece122b645fed897c1fb148f2f426342a983474bc02d4950a6fab867ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39d6aece122b645fed897c1fb148f2f426342a983474bc02d4950a6fab867ca5", kill_on_drop: false }`
[INFO] [stdout] 39d6aece122b645fed897c1fb148f2f426342a983474bc02d4950a6fab867ca5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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] 4741518fa1184658e4f4145beb29d68d6436d095458ea88f997ca0519408a448
[INFO] running `Command { std: "docker" "start" "-a" "4741518fa1184658e4f4145beb29d68d6436d095458ea88f997ca0519408a448", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking netbuf v0.4.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking lavish v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/system.rs:19:43
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn try_clone(&self) -> io::Result<Box<Conn>>;
[INFO] [stdout]    |                                           ^^^^ help: use `dyn`: `dyn Conn`
[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/system.rs:24:43
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn try_clone(&self) -> io::Result<Box<Conn>> {
[INFO] [stdout]    |                                           ^^^^ help: use `dyn`: `dyn Conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/system.rs:286:26
[INFO] [stdout]     |
[INFO] [stdout] 286 |     shutdown_handle: Box<Conn>,
[INFO] [stdout]     |                          ^^^^ help: use `dyn`: `dyn Conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/system.rs:314:15
[INFO] [stdout]     |
[INFO] [stdout] 314 |     conn: Box<Conn>,
[INFO] [stdout]     |               ^^^^ help: use `dyn`: `dyn Conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/system.rs:330:61
[INFO] [stdout]     |
[INFO] [stdout] 330 | pub fn spawn<M, CL, AH, H, P, NP, R>(handler: AH, conn: Box<Conn>) -> Result<Runtime<CL>, Error>
[INFO] [stdout]     |                                                             ^^^^ help: use `dyn`: `dyn Conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/facts/mod.rs:526:22
[INFO] [stdout]     |
[INFO] [stdout] 526 |         (&self.0 as &std::ops::Deref<Target = [u8]>).deref()
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::ops::Deref<Target = [u8]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/system.rs:19:43
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn try_clone(&self) -> io::Result<Box<Conn>>;
[INFO] [stdout]    |                                           ^^^^ help: use `dyn`: `dyn Conn`
[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/system.rs:24:43
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn try_clone(&self) -> io::Result<Box<Conn>> {
[INFO] [stdout]    |                                           ^^^^ help: use `dyn`: `dyn Conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/system.rs:286:26
[INFO] [stdout]     |
[INFO] [stdout] 286 |     shutdown_handle: Box<Conn>,
[INFO] [stdout]     |                          ^^^^ help: use `dyn`: `dyn Conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/system.rs:314:15
[INFO] [stdout]     |
[INFO] [stdout] 314 |     conn: Box<Conn>,
[INFO] [stdout]     |               ^^^^ help: use `dyn`: `dyn Conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/system.rs:330:61
[INFO] [stdout]     |
[INFO] [stdout] 330 | pub fn spawn<M, CL, AH, H, P, NP, R>(handler: AH, conn: Box<Conn>) -> Result<Runtime<CL>, Error>
[INFO] [stdout]     |                                                             ^^^^ help: use `dyn`: `dyn Conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/facts/mod.rs:526:22
[INFO] [stdout]     |
[INFO] [stdout] 526 |         (&self.0 as &std::ops::Deref<Target = [u8]>).deref()
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::ops::Deref<Target = [u8]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/facts/mod.rs:841:36
[INFO] [stdout]     |
[INFO] [stdout] 841 |     fn numbers() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/facts/mod.rs:856:34
[INFO] [stdout]     |
[INFO] [stdout] 856 |     fn bools() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/facts/mod.rs:864:36
[INFO] [stdout]     |
[INFO] [stdout] 864 |     fn strings() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/facts/mod.rs:873:39
[INFO] [stdout]     |
[INFO] [stdout] 873 |     fn timestamps() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/facts/mod.rs:878:29
[INFO] [stdout]     |
[INFO] [stdout] 878 |         ) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/facts/mod.rs:921:35
[INFO] [stdout]     |
[INFO] [stdout] 921 |     fn arrays() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/facts/mod.rs:929:33
[INFO] [stdout]     |
[INFO] [stdout] 929 |     fn maps() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/facts/mod.rs:942:33
[INFO] [stdout]     |
[INFO] [stdout] 942 |     fn bins() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/facts/mod.rs:964:48
[INFO] [stdout]     |
[INFO] [stdout] 964 |     fn cycle_simple<T>(l: T) -> Result<(), Box<std::error::Error>>
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/facts/mod.rs:971:56
[INFO] [stdout]     |
[INFO] [stdout] 971 |     fn cycle<T, M>(mapping: M, l: T) -> Result<(), Box<std::error::Error>>
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.21s
[INFO] running `Command { std: "docker" "inspect" "4741518fa1184658e4f4145beb29d68d6436d095458ea88f997ca0519408a448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4741518fa1184658e4f4145beb29d68d6436d095458ea88f997ca0519408a448", kill_on_drop: false }`
[INFO] [stdout] 4741518fa1184658e4f4145beb29d68d6436d095458ea88f997ca0519408a448
