[INFO] crate tracing_chromium 0.1.0 is already in cache
[INFO] testing tracing_chromium-0.1.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate tracing_chromium 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tracing_chromium 0.1.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing_chromium 0.1.0
[INFO] finished tweaking crates.io crate tracing_chromium 0.1.0
[INFO] tweaked toml for crates.io crate tracing_chromium 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17720e3b466b41de15e203410457095ce71705cd8e6a3898da9c558821e2469d
[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" "17720e3b466b41de15e203410457095ce71705cd8e6a3898da9c558821e2469d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17720e3b466b41de15e203410457095ce71705cd8e6a3898da9c558821e2469d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17720e3b466b41de15e203410457095ce71705cd8e6a3898da9c558821e2469d", kill_on_drop: false }`
[INFO] [stdout] 17720e3b466b41de15e203410457095ce71705cd8e6a3898da9c558821e2469d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b0944e27077628a4dd60431c3e94c107628d53f57b1398de730e28da4724ea7
[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" "9b0944e27077628a4dd60431c3e94c107628d53f57b1398de730e28da4724ea7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling gettid v0.1.2
[INFO] [stderr]    Compiling tracing_facade v0.1.0
[INFO] [stderr]    Compiling tracing_chromium v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |   output: Mutex<Box<std::io::Write + Send>>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write + Send`
[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:31:38
[INFO] [stdout]    |
[INFO] [stdout] 31 |   pub fn from_output(mut output: Box<std::io::Write + Send>) -> Tracer {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn write_event(mut output: &mut std::io::Write, event: Event) {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.50s
[INFO] running `Command { std: "docker" "inspect" "9b0944e27077628a4dd60431c3e94c107628d53f57b1398de730e28da4724ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0944e27077628a4dd60431c3e94c107628d53f57b1398de730e28da4724ea7", kill_on_drop: false }`
[INFO] [stdout] 9b0944e27077628a4dd60431c3e94c107628d53f57b1398de730e28da4724ea7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b64f340488edffd47ea53ab632a45543536252fdfe9a4b442bd27248e8263f45
[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" "b64f340488edffd47ea53ab632a45543536252fdfe9a4b442bd27248e8263f45", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing_chromium v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |   output: Mutex<Box<std::io::Write + Send>>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write + Send`
[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:31:38
[INFO] [stdout]    |
[INFO] [stdout] 31 |   pub fn from_output(mut output: Box<std::io::Write + Send>) -> Tracer {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn write_event(mut output: &mut std::io::Write, event: Event) {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |   output: Mutex<Box<std::io::Write + Send>>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write + Send`
[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:31:38
[INFO] [stdout]    |
[INFO] [stdout] 31 |   pub fn from_output(mut output: Box<std::io::Write + Send>) -> Tracer {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn write_event(mut output: &mut std::io::Write, event: Event) {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "b64f340488edffd47ea53ab632a45543536252fdfe9a4b442bd27248e8263f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b64f340488edffd47ea53ab632a45543536252fdfe9a4b442bd27248e8263f45", kill_on_drop: false }`
[INFO] [stdout] b64f340488edffd47ea53ab632a45543536252fdfe9a4b442bd27248e8263f45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e715ba8d40b171c5dabf7cffa2a8b3f43bd35be7f9d76f8bde5e915129736d1
[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" "2e715ba8d40b171c5dabf7cffa2a8b3f43bd35be7f9d76f8bde5e915129736d1", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |   output: Mutex<Box<std::io::Write + Send>>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:31:38
[INFO] [stderr]    |
[INFO] [stderr] 31 |   pub fn from_output(mut output: Box<std::io::Write + Send>) -> Tracer {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:49:33
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn write_event(mut output: &mut std::io::Write, event: Event) {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |   output: Mutex<Box<std::io::Write + Send>>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:31:38
[INFO] [stderr]    |
[INFO] [stderr] 31 |   pub fn from_output(mut output: Box<std::io::Write + Send>) -> Tracer {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:49:33
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn write_event(mut output: &mut std::io::Write, event: Event) {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracing_chromium-485dda2f83e1bf6d
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing_chromium
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2e715ba8d40b171c5dabf7cffa2a8b3f43bd35be7f9d76f8bde5e915129736d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e715ba8d40b171c5dabf7cffa2a8b3f43bd35be7f9d76f8bde5e915129736d1", kill_on_drop: false }`
[INFO] [stdout] 2e715ba8d40b171c5dabf7cffa2a8b3f43bd35be7f9d76f8bde5e915129736d1