[INFO] fetching crate tracing 0.1.44...
[INFO] testing tracing-0.1.44 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate tracing 0.1.44 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tracing 0.1.44
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tracing 0.1.44
[INFO] tweaked toml for crates.io crate tracing 0.1.44 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing 0.1.44 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tracing 0.1.44 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.56
[INFO] [stderr]   Downloaded cc v1.2.48
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8529cc60a20cab510c6b35bb025adc0233ab550980e20dd4834e992491126ce5
[INFO] running `Command { std: "docker" "start" "-a" "8529cc60a20cab510c6b35bb025adc0233ab550980e20dd4834e992491126ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8529cc60a20cab510c6b35bb025adc0233ab550980e20dd4834e992491126ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8529cc60a20cab510c6b35bb025adc0233ab550980e20dd4834e992491126ce5", kill_on_drop: false }`
[INFO] [stdout] 8529cc60a20cab510c6b35bb025adc0233ab550980e20dd4834e992491126ce5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db7a372b695a11348111debe3fae0e473b877776ef26b2ab32e04a188519396e
[INFO] running `Command { std: "docker" "start" "-a" "db7a372b695a11348111debe3fae0e473b877776ef26b2ab32e04a188519396e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tracing v0.1.44 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.19s
[INFO] running `Command { std: "docker" "inspect" "db7a372b695a11348111debe3fae0e473b877776ef26b2ab32e04a188519396e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db7a372b695a11348111debe3fae0e473b877776ef26b2ab32e04a188519396e", kill_on_drop: false }`
[INFO] [stdout] db7a372b695a11348111debe3fae0e473b877776ef26b2ab32e04a188519396e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5516fd0d17cb0d546f4b18943e878bef7d1d045f4b33b249f1fc160ffa70aaf4
[INFO] running `Command { std: "docker" "start" "-a" "5516fd0d17cb0d546f4b18943e878bef7d1d045f4b33b249f1fc160ffa70aaf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling tracing v0.1.44 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]  --> tests/max_level_hint.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing_mock::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `tracing_mock`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 2 - use tracing_mock::*;
[INFO] [stdout] 2 + use tracing_core::*;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]   --> tests/filters_are_reevaluated_for_different_call_sites.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing_mock::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `tracing_mock`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 10 - use tracing_mock::*;
[INFO] [stdout] 10 + use tracing_core::*;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]   --> tests/filter_caching_is_lexically_scoped.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tracing_mock::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `tracing_mock`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 11 - use tracing_mock::*;
[INFO] [stdout] 11 + use tracing_core::*;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]  --> tests/filters_dont_leak.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tracing_mock::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `tracing_mock`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 - use tracing_mock::*;
[INFO] [stdout] 3 + use tracing_core::*;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]  --> tests/no_subscriber.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tracing_mock::subscriber;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `tracing_mock`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 - use tracing_mock::subscriber;
[INFO] [stdout] 3 + use tracing_core::subscriber;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]  --> tests/multiple_max_level_hints.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tracing_mock::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `tracing_mock`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 4 - use tracing_mock::*;
[INFO] [stdout] 4 + use tracing_core::*;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing` (test "filters_are_reevaluated_for_different_call_sites") due to 1 previous error
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]  --> tests/enabled.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tracing_mock::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `tracing_mock`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 - use tracing_mock::*;
[INFO] [stdout] 3 + use tracing_core::*;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tracing` (test "filter_caching_is_lexically_scoped") due to 1 previous error
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]   --> tests/subscriber.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tracing_mock::{expect, subscriber};
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `tracing_mock`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 14 - use tracing_mock::{expect, subscriber};
[INFO] [stdout] 14 + use tracing_core::{expect, subscriber};
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]   --> tests/event.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tracing_mock::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `tracing_mock`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 16 - use tracing_mock::*;
[INFO] [stdout] 16 + use tracing_core::*;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing` (test "no_subscriber") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]   --> tests/span.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tracing_mock::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `tracing_mock`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 15 - use tracing_mock::*;
[INFO] [stdout] 15 + use tracing_core::*;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing` (test "max_level_hint") due to 1 previous error
[INFO] [stderr] error: could not compile `tracing` (test "filters_dont_leak") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing` (test "enabled") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing` (test "multiple_max_level_hints") due to 1 previous error
[INFO] [stderr] error: could not compile `tracing` (test "subscriber") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing` (test "event") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing` (test "span") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "5516fd0d17cb0d546f4b18943e878bef7d1d045f4b33b249f1fc160ffa70aaf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5516fd0d17cb0d546f4b18943e878bef7d1d045f4b33b249f1fc160ffa70aaf4", kill_on_drop: false }`
[INFO] [stdout] 5516fd0d17cb0d546f4b18943e878bef7d1d045f4b33b249f1fc160ffa70aaf4
