[INFO] fetching crate tracing_facade 0.1.0...
[INFO] checking tracing_facade-0.1.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate tracing_facade 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tracing_facade 0.1.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing_facade 0.1.0
[INFO] finished tweaking crates.io crate tracing_facade 0.1.0
[INFO] tweaked toml for crates.io crate tracing_facade 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c45378ce1066369570d8bac529c20bcdbea255bcc8ed30e950e51f8077b2287
[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" "6c45378ce1066369570d8bac529c20bcdbea255bcc8ed30e950e51f8077b2287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c45378ce1066369570d8bac529c20bcdbea255bcc8ed30e950e51f8077b2287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c45378ce1066369570d8bac529c20bcdbea255bcc8ed30e950e51f8077b2287", kill_on_drop: false }`
[INFO] [stdout] 6c45378ce1066369570d8bac529c20bcdbea255bcc8ed30e950e51f8077b2287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37d9a03db578c926fe341e0cd3ca89c4ac5979631e1ab8e52b6446bf8d00fa22
[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" "37d9a03db578c926fe341e0cd3ca89c4ac5979631e1ab8e52b6446bf8d00fa22", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking tracing_facade v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:225:36
[INFO] [stdout]     |
[INFO] [stdout] 225 | static mut TRACER: Option<&'static Tracer> = None;
[INFO] [stdout]     |                                    ^^^^^^ help: use `dyn`: `dyn Tracer`
[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/lib.rs:238:48
[INFO] [stdout]     |
[INFO] [stdout] 238 | fn get_tracer_assume_initialized() -> &'static Tracer {
[INFO] [stdout]     |                                                ^^^^^^ help: use `dyn`: `dyn Tracer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:245:36
[INFO] [stdout]     |
[INFO] [stdout] 245 | pub fn set_tracer(tracer: &'static Tracer) {
[INFO] [stdout]     |                                    ^^^^^^ help: use `dyn`: `dyn Tracer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:253:37
[INFO] [stdout]     |
[INFO] [stdout] 253 | pub fn set_boxed_tracer(tracer: Box<Tracer>) {
[INFO] [stdout]     |                                     ^^^^^^ help: use `dyn`: `dyn Tracer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:258:37
[INFO] [stdout]     |
[INFO] [stdout] 258 | fn set_tracer_impl(tracer: &'static Tracer) {
[INFO] [stdout]     |                                     ^^^^^^ help: use `dyn`: `dyn Tracer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:225:36
[INFO] [stdout]     |
[INFO] [stdout] 225 | static mut TRACER: Option<&'static Tracer> = None;
[INFO] [stdout]     |                                    ^^^^^^ help: use `dyn`: `dyn Tracer`
[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/lib.rs:238:48
[INFO] [stdout]     |
[INFO] [stdout] 238 | fn get_tracer_assume_initialized() -> &'static Tracer {
[INFO] [stdout]     |                                                ^^^^^^ help: use `dyn`: `dyn Tracer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:245:36
[INFO] [stdout]     |
[INFO] [stdout] 245 | pub fn set_tracer(tracer: &'static Tracer) {
[INFO] [stdout]     |                                    ^^^^^^ help: use `dyn`: `dyn Tracer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:253:37
[INFO] [stdout]     |
[INFO] [stdout] 253 | pub fn set_boxed_tracer(tracer: Box<Tracer>) {
[INFO] [stdout]     |                                     ^^^^^^ help: use `dyn`: `dyn Tracer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:258:37
[INFO] [stdout]     |
[INFO] [stdout] 258 | fn set_tracer_impl(tracer: &'static Tracer) {
[INFO] [stdout]     |                                     ^^^^^^ help: use `dyn`: `dyn Tracer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.87s
[INFO] running `Command { std: "docker" "inspect" "37d9a03db578c926fe341e0cd3ca89c4ac5979631e1ab8e52b6446bf8d00fa22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d9a03db578c926fe341e0cd3ca89c4ac5979631e1ab8e52b6446bf8d00fa22", kill_on_drop: false }`
[INFO] [stdout] 37d9a03db578c926fe341e0cd3ca89c4ac5979631e1ab8e52b6446bf8d00fa22