[INFO] fetching crate cognitive-exhibitor 0.1.0...
[INFO] checking cognitive-exhibitor-0.1.0 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate cognitive-exhibitor 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cognitive-exhibitor 0.1.0 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cognitive-exhibitor 0.1.0
[INFO] finished tweaking crates.io crate cognitive-exhibitor 0.1.0
[INFO] tweaked toml for crates.io crate cognitive-exhibitor 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cognitive-frames v0.1.0
[INFO] [stderr]   Downloaded cognitive-outputs v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4357150d290ba3705bc0662c11fe747eab413fb11d9ef9a88165bb905f22c78
[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" "d4357150d290ba3705bc0662c11fe747eab413fb11d9ef9a88165bb905f22c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4357150d290ba3705bc0662c11fe747eab413fb11d9ef9a88165bb905f22c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4357150d290ba3705bc0662c11fe747eab413fb11d9ef9a88165bb905f22c78", kill_on_drop: false }`
[INFO] [stdout] d4357150d290ba3705bc0662c11fe747eab413fb11d9ef9a88165bb905f22c78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a962cf1524fc755d7ee814cf91beeb203fbea9b013c72e4f7eb4e0fb610c1e33
[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" "a962cf1524fc755d7ee814cf91beeb203fbea9b013c72e4f7eb4e0fb610c1e33", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking gbm-rs v0.2.0
[INFO] [stderr]     Checking timerfd v0.2.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking timber v0.1.0
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking drm-rs v0.1.3
[INFO] [stderr]     Checking khronos v0.1.2
[INFO] [stderr]     Checking egl v0.2.7
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling gl_generator v0.6.1
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking dharma v0.1.0
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling gl v0.6.5
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking cognitive-graphics v0.1.0
[INFO] [stderr]     Checking cognitive-qualia v0.1.0
[INFO] [stderr]     Checking cognitive-renderer-gl v0.1.0
[INFO] [stderr]     Checking cognitive-frames v0.1.0
[INFO] [stderr]     Checking cognitive-outputs v0.1.0
[INFO] [stderr]     Checking cognitive-exhibitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/display.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |     output: Box<Output>,
[INFO] [stdout]    |                 ^^^^^^ help: use `dyn`: `dyn Output`
[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/display.rs:42:28
[INFO] [stdout]    |
[INFO] [stdout] 42 |                output: Box<Output>,
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/exhibitor.rs:93:55
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn on_output_found(&mut self, mut output: Box<Output>) {
[INFO] [stdout]    |                                                       ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/display.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |     output: Box<Output>,
[INFO] [stdout]    |                 ^^^^^^ help: use `dyn`: `dyn Output`
[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/display.rs:42:28
[INFO] [stdout]    |
[INFO] [stdout] 42 |                output: Box<Output>,
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/exhibitor.rs:93:55
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn on_output_found(&mut self, mut output: Box<Output>) {
[INFO] [stdout]    |                                                       ^^^^^^ help: use `dyn`: `dyn Output`
[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 41.13s
[INFO] running `Command { std: "docker" "inspect" "a962cf1524fc755d7ee814cf91beeb203fbea9b013c72e4f7eb4e0fb610c1e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a962cf1524fc755d7ee814cf91beeb203fbea9b013c72e4f7eb4e0fb610c1e33", kill_on_drop: false }`
[INFO] [stdout] a962cf1524fc755d7ee814cf91beeb203fbea9b013c72e4f7eb4e0fb610c1e33