[INFO] fetching crate tracing_chromium 0.1.0...
[INFO] testing tracing_chromium-0.1.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate tracing_chromium 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate tracing_chromium 0.1.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing_facade v0.1.0
[INFO] [stderr]   Downloaded gettid v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 646cdf28e5c96e4de0a4801ba1adf52b065559b2b1e10134d131db368bdcd92a
[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" "646cdf28e5c96e4de0a4801ba1adf52b065559b2b1e10134d131db368bdcd92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "646cdf28e5c96e4de0a4801ba1adf52b065559b2b1e10134d131db368bdcd92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "646cdf28e5c96e4de0a4801ba1adf52b065559b2b1e10134d131db368bdcd92a", kill_on_drop: false }`
[INFO] [stdout] 646cdf28e5c96e4de0a4801ba1adf52b065559b2b1e10134d131db368bdcd92a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e84a48508c5747b9fdb8a16f6883c3627a35ea469df196f846fef817314493dd
[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" "e84a48508c5747b9fdb8a16f6883c3627a35ea469df196f846fef817314493dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling gettid v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[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 31.85s
[INFO] running `Command { std: "docker" "inspect" "e84a48508c5747b9fdb8a16f6883c3627a35ea469df196f846fef817314493dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84a48508c5747b9fdb8a16f6883c3627a35ea469df196f846fef817314493dd", kill_on_drop: false }`
[INFO] [stdout] e84a48508c5747b9fdb8a16f6883c3627a35ea469df196f846fef817314493dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--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] bfb2d831d064a681a76afcd424fdf7c81be51ea95ba22612c51646cb8b91f9ca
[INFO] running `Command { std: "docker" "start" "-a" "bfb2d831d064a681a76afcd424fdf7c81be51ea95ba22612c51646cb8b91f9ca", kill_on_drop: false }`
[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]    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 test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "bfb2d831d064a681a76afcd424fdf7c81be51ea95ba22612c51646cb8b91f9ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb2d831d064a681a76afcd424fdf7c81be51ea95ba22612c51646cb8b91f9ca", kill_on_drop: false }`
[INFO] [stdout] bfb2d831d064a681a76afcd424fdf7c81be51ea95ba22612c51646cb8b91f9ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5350e7789c51e42619541cef0dfc4922669a10778879c7be45fd7eb8eabd45cd
[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" "5350e7789c51e42619541cef0dfc4922669a10778879c7be45fd7eb8eabd45cd", 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 0.14s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracing_chromium-c16231c188daba0b
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests tracing_chromium
[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" "5350e7789c51e42619541cef0dfc4922669a10778879c7be45fd7eb8eabd45cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5350e7789c51e42619541cef0dfc4922669a10778879c7be45fd7eb8eabd45cd", kill_on_drop: false }`
[INFO] [stdout] 5350e7789c51e42619541cef0dfc4922669a10778879c7be45fd7eb8eabd45cd