[INFO] fetching crate trace4rs 0.6.0-rc...
[INFO] testing trace4rs-0.6.0-rc against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate trace4rs 0.6.0-rc into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate trace4rs 0.6.0-rc
[INFO] finished tweaking crates.io crate trace4rs 0.6.0-rc
[INFO] tweaked toml for crates.io crate trace4rs 0.6.0-rc written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate trace4rs 0.6.0-rc 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 178 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.8.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-conv v0.2.1
[INFO] [stderr]   Downloaded num_threads v0.1.7
[INFO] [stderr]   Downloaded trace4rs-config v0.6.0-rc
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[INFO] [stderr]   Downloaded serde-value v0.7.0
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[INFO] [stderr]   Downloaded trace4rs-fmtorp v0.6.0-rc
[INFO] [stderr]   Downloaded unsafe-any-ors v1.0.0
[INFO] [stderr]   Downloaded ordered-float v2.10.1
[INFO] [stderr]   Downloaded plotters-svg v0.3.7
[INFO] [stderr]   Downloaded is-terminal v0.4.17
[INFO] [stderr]   Downloaded destructure_traitobject v0.2.0
[INFO] [stderr]   Downloaded mock_instant v0.6.0
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[INFO] [stderr]   Downloaded thread-id v5.1.0
[INFO] [stderr]   Downloaded literally v0.1.3
[INFO] [stderr]   Downloaded criterion-macro v0.4.0
[INFO] [stderr]   Downloaded humantime v2.3.0
[INFO] [stderr]   Downloaded plotters-backend v0.3.7
[INFO] [stderr]   Downloaded ciborium-ll v0.2.2
[INFO] [stderr]   Downloaded ciborium-io v0.2.2
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.23
[INFO] [stderr]   Downloaded criterion-plot v0.5.0
[INFO] [stderr]   Downloaded tinytemplate v1.2.1
[INFO] [stderr]   Downloaded ciborium v0.2.2
[INFO] [stderr]   Downloaded anes v0.1.6
[INFO] [stderr]   Downloaded camino v1.2.2
[INFO] [stderr]   Downloaded wit-bindgen v0.57.1
[INFO] [stderr]   Downloaded log4rs v1.4.0
[INFO] [stderr]   Downloaded arc-swap v1.9.1
[INFO] [stderr]   Downloaded half v2.7.1
[INFO] [stderr]   Downloaded rayon-core v1.13.0
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.48
[INFO] [stderr]   Downloaded criterion v0.5.1
[INFO] [stderr]   Downloaded wasip2 v1.0.3+wasi-0.2.9
[INFO] [stderr]   Downloaded unicode-segmentation v1.13.2
[INFO] [stderr]   Downloaded plotters v0.3.7
[INFO] [stderr]   Downloaded itertools v0.10.5
[INFO] [stderr]   Downloaded rayon v1.12.0
[INFO] [stderr]   Downloaded web-sys v0.3.98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] fe5baa6ca33308a0ed5e903f33caf98755a5f44062845d1cc17a1be65a7ec8d7
[INFO] running `Command { std: "docker" "start" "-a" "fe5baa6ca33308a0ed5e903f33caf98755a5f44062845d1cc17a1be65a7ec8d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe5baa6ca33308a0ed5e903f33caf98755a5f44062845d1cc17a1be65a7ec8d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe5baa6ca33308a0ed5e903f33caf98755a5f44062845d1cc17a1be65a7ec8d7", kill_on_drop: false }`
[INFO] [stdout] fe5baa6ca33308a0ed5e903f33caf98755a5f44062845d1cc17a1be65a7ec8d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c8455b90c6bff2ab51812a598b6464e1c30280da4d0510b0f6ddda13e834f7de
[INFO] running `Command { std: "docker" "start" "-a" "c8455b90c6bff2ab51812a598b6464e1c30280da4d0510b0f6ddda13e834f7de", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling num-conv v0.2.1
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling deranged v0.5.8
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling camino v1.2.2
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling path-dedot v3.1.1
[INFO] [stderr]    Compiling literally v0.1.3
[INFO] [stderr]    Compiling path-absolutize v3.1.1
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling utc-offset v0.4.0
[INFO] [stderr]    Compiling trace4rs-fmtorp v0.6.0-rc
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling trace4rs-config v0.6.0-rc
[INFO] [stderr]    Compiling trace4rs v0.6.0-rc (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/env/mod.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) fn expand_env_vars(path: &str) -> Cow<str> {
[INFO] [stdout]    |                                     ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) fn expand_env_vars(path: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/env/mod.rs:30:38
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) fn try_expand_env_vars(p: &Utf8Path) -> Cow<Utf8Path> {
[INFO] [stdout]    |                                      ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) fn try_expand_env_vars(p: &Utf8Path) -> Cow<'_, Utf8Path> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.33s
[INFO] running `Command { std: "docker" "inspect" "c8455b90c6bff2ab51812a598b6464e1c30280da4d0510b0f6ddda13e834f7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8455b90c6bff2ab51812a598b6464e1c30280da4d0510b0f6ddda13e834f7de", kill_on_drop: false }`
[INFO] [stdout] c8455b90c6bff2ab51812a598b6464e1c30280da4d0510b0f6ddda13e834f7de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a1e6ff37f56b701261cb51bebce37f41065fd644006bb00d5da042cf0f721f38
[INFO] running `Command { std: "docker" "start" "-a" "a1e6ff37f56b701261cb51bebce37f41065fd644006bb00d5da042cf0f721f38", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling destructure_traitobject v0.2.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling unsafe-any-ors v1.0.0
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling arc-swap v1.9.1
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling clap v4.6.1
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling typemap-ors v1.0.0
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling thread-id v5.1.0
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling mock_instant v0.6.0
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling criterion-macro v0.4.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling tokio v1.52.3
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling trace4rs-fmtorp v0.6.0-rc
[INFO] [stderr]    Compiling utc-offset v0.4.0
[INFO] [stderr]    Compiling derive_more v2.1.1
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling trace4rs-config v0.6.0-rc
[INFO] [stderr]    Compiling trace4rs v0.6.0-rc (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/env/mod.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) fn expand_env_vars(path: &str) -> Cow<str> {
[INFO] [stdout]    |                                     ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) fn expand_env_vars(path: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/env/mod.rs:30:38
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) fn try_expand_env_vars(p: &Utf8Path) -> Cow<Utf8Path> {
[INFO] [stdout]    |                                      ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) fn try_expand_env_vars(p: &Utf8Path) -> Cow<'_, Utf8Path> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling rand v0.9.4
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling log4rs v1.4.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/env/mod.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) fn expand_env_vars(path: &str) -> Cow<str> {
[INFO] [stdout]    |                                     ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) fn expand_env_vars(path: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/env/mod.rs:30:38
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) fn try_expand_env_vars(p: &Utf8Path) -> Cow<Utf8Path> {
[INFO] [stdout]    |                                      ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) fn try_expand_env_vars(p: &Utf8Path) -> Cow<'_, Utf8Path> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "a1e6ff37f56b701261cb51bebce37f41065fd644006bb00d5da042cf0f721f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1e6ff37f56b701261cb51bebce37f41065fd644006bb00d5da042cf0f721f38", kill_on_drop: false }`
[INFO] [stdout] a1e6ff37f56b701261cb51bebce37f41065fd644006bb00d5da042cf0f721f38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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", kill_on_drop: false }`
[INFO] [stdout] c9a578dbfd365534a62c78f5347193c7eaf08877dfb67c4c0af490feb9ca413c
[INFO] running `Command { std: "docker" "start" "-a" "c9a578dbfd365534a62c78f5347193c7eaf08877dfb67c4c0af490feb9ca413c", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/env/mod.rs:16:37
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub(crate) fn expand_env_vars(path: &str) -> Cow<str> {
[INFO] [stderr]    |                                     ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                     |
[INFO] [stderr]    |                                     the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub(crate) fn expand_env_vars(path: &str) -> Cow<'_, str> {
[INFO] [stderr]    |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/env/mod.rs:30:38
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub(crate) fn try_expand_env_vars(p: &Utf8Path) -> Cow<Utf8Path> {
[INFO] [stderr]    |                                      ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                      |
[INFO] [stderr]    |                                      the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub(crate) fn try_expand_env_vars(p: &Utf8Path) -> Cow<'_, Utf8Path> {
[INFO] [stderr]    |                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `trace4rs` (lib) generated 2 warnings (run `cargo fix --lib -p trace4rs` to apply 2 suggestions)
[INFO] [stderr] warning: `trace4rs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/trace4rs-567c49d8d42dff23)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test appenders::test::size_delete_roll ... ok
[INFO] [stdout] test appenders::test::size_window_roll ... ok
[INFO] [stdout] test appenders::test::size_window_roll_no_pattern_relative ... ok
[INFO] [stdout] test appenders::test::size_window_roll_relative ... ok
[INFO] [stdout] test env::test::expand_nonexistent_env_vars_tests ... ok
[INFO] [stdout] test test::test_set_global ... ok
[INFO] [stdout] test appenders::test::correct_paths ... ok
[INFO] [stdout] test appenders::test::size_window_roll_no_pattern ... ok
[INFO] [stdout] test env::test::expand_env_vars_tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/filter.rs (/opt/rustwide/target/debug/deps/filter-f7d863af601b31ee)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fmt.rs (/opt/rustwide/target/debug/deps/fmt-884b437aa76d0e20)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde.rs (/opt/rustwide/target/debug/deps/serde-6652022d575dc91a)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests trace4rs
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/appenders/rolling.rs - appenders::rolling::Rolling::make_qualified_pattern (line 279) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c9a578dbfd365534a62c78f5347193c7eaf08877dfb67c4c0af490feb9ca413c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9a578dbfd365534a62c78f5347193c7eaf08877dfb67c4c0af490feb9ca413c", kill_on_drop: false }`
[INFO] [stdout] c9a578dbfd365534a62c78f5347193c7eaf08877dfb67c4c0af490feb9ca413c
