[INFO] fetching crate tracing 0.1.41...
[INFO] testing tracing-0.1.41 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate tracing 0.1.41 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate tracing 0.1.41
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tracing 0.1.41
[INFO] tweaked toml for crates.io crate tracing 0.1.41 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing 0.1.41 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 83 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4d0ff6967c899c32b7e3fb22321ab6d60738bc4215f6be764d610499344e983
[INFO] running `Command { std: "docker" "start" "-a" "c4d0ff6967c899c32b7e3fb22321ab6d60738bc4215f6be764d610499344e983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4d0ff6967c899c32b7e3fb22321ab6d60738bc4215f6be764d610499344e983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d0ff6967c899c32b7e3fb22321ab6d60738bc4215f6be764d610499344e983", kill_on_drop: false }`
[INFO] [stdout] c4d0ff6967c899c32b7e3fb22321ab6d60738bc4215f6be764d610499344e983
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ea7bb570d921cb3c329dc4c86a919d18f82b34fc7d635a12b33d947038dd740
[INFO] running `Command { std: "docker" "start" "-a" "7ea7bb570d921cb3c329dc4c86a919d18f82b34fc7d635a12b33d947038dd740", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tracing v0.1.41 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.43s
[INFO] running `Command { std: "docker" "inspect" "7ea7bb570d921cb3c329dc4c86a919d18f82b34fc7d635a12b33d947038dd740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea7bb570d921cb3c329dc4c86a919d18f82b34fc7d635a12b33d947038dd740", kill_on_drop: false }`
[INFO] [stdout] 7ea7bb570d921cb3c329dc4c86a919d18f82b34fc7d635a12b33d947038dd740
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5627e3d6ee06a241d848a038336d5e05f9e40554442b6f9e75a8d8ecde3a52b7
[INFO] running `Command { std: "docker" "start" "-a" "5627e3d6ee06a241d848a038336d5e05f9e40554442b6f9e75a8d8ecde3a52b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing v0.1.41 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling criterion v0.3.6
[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/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] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]   --> tests/instrument.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/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] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]  --> tests/scoped_clobbers_default.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | 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] 2 - use tracing_mock::{expect, subscriber};
[INFO] [stdout] 2 + use tracing_core::{expect, subscriber};
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[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/span.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | 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] 14 - use tracing_mock::*;
[INFO] [stdout] 14 + 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 "subscriber") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/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] 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] [stderr] error: could not compile `tracing` (test "scoped_clobbers_default") 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 "instrument") due to 1 previous error
[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] 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] [stdout] For more information about this error, try `rustc --explain E0432`.
[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] [stderr] error: could not compile `tracing` (test "multiple_max_level_hints") 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 "max_level_hint") 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] [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] running `Command { std: "docker" "inspect" "5627e3d6ee06a241d848a038336d5e05f9e40554442b6f9e75a8d8ecde3a52b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5627e3d6ee06a241d848a038336d5e05f9e40554442b6f9e75a8d8ecde3a52b7", kill_on_drop: false }`
[INFO] [stdout] 5627e3d6ee06a241d848a038336d5e05f9e40554442b6f9e75a8d8ecde3a52b7