[INFO] fetching crate tokio-trace 0.1.0...
[INFO] checking tokio-trace-0.1.0 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate tokio-trace 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tokio-trace 0.1.0 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-trace 0.1.0
[INFO] finished tweaking crates.io crate tokio-trace 0.1.0
[INFO] tweaked toml for crates.io crate tokio-trace 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cb7575bd3739070897dcac736aae96d3b1c93544f6a4b0fd5164e00346c64e7
[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" "9cb7575bd3739070897dcac736aae96d3b1c93544f6a4b0fd5164e00346c64e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cb7575bd3739070897dcac736aae96d3b1c93544f6a4b0fd5164e00346c64e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb7575bd3739070897dcac736aae96d3b1c93544f6a4b0fd5164e00346c64e7", kill_on_drop: false }`
[INFO] [stdout] 9cb7575bd3739070897dcac736aae96d3b1c93544f6a4b0fd5164e00346c64e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41425291e764944826042870bb44de6d72b132ffa1a4a5d07dd1d8e4af14600e
[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" "41425291e764944826042870bb44de6d72b132ffa1a4a5d07dd1d8e4af14600e", kill_on_drop: false }`
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking tokio-trace-core v0.2.0
[INFO] [stderr]     Checking tokio-trace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/span.rs:303:58
[INFO] [stdout]     |
[INFO] [stdout] 303 |                     .value_set(&[(&field, Some(value as &field::Value))]),
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn field::Value`
[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/span.rs:531:51
[INFO] [stdout]     |
[INFO] [stdout] 531 |         self.0.record(&mut |k: &field::Field, v: &fmt::Debug| {
[INFO] [stdout]     |                                                   ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/span.rs:543:51
[INFO] [stdout]     |
[INFO] [stdout] 543 |         self.0.record(&mut |k: &field::Field, v: &fmt::Debug| {
[INFO] [stdout]     |                                                   ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/span.rs:303:58
[INFO] [stdout]     |
[INFO] [stdout] 303 |                     .value_set(&[(&field, Some(value as &field::Value))]),
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn field::Value`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:3:24
[INFO] [stdout]     |
[INFO] [stdout] 3   | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/span.rs:531:51
[INFO] [stdout]     |
[INFO] [stdout] 531 |         self.0.record(&mut |k: &field::Field, v: &fmt::Debug| {
[INFO] [stdout]     |                                                   ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/span.rs:543:51
[INFO] [stdout]     |
[INFO] [stdout] 543 |         self.0.record(&mut |k: &field::Field, v: &fmt::Debug| {
[INFO] [stdout]     |                                                   ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-trace`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "41425291e764944826042870bb44de6d72b132ffa1a4a5d07dd1d8e4af14600e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41425291e764944826042870bb44de6d72b132ffa1a4a5d07dd1d8e4af14600e", kill_on_drop: false }`
[INFO] [stdout] 41425291e764944826042870bb44de6d72b132ffa1a4a5d07dd1d8e4af14600e