[INFO] fetching crate mettrics 0.0.7...
[INFO] testing mettrics-0.0.7 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mettrics 0.0.7 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mettrics 0.0.7
[INFO] finished tweaking crates.io crate mettrics 0.0.7
[INFO] tweaked toml for crates.io crate mettrics 0.0.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mettrics 0.0.7 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mettrics 0.0.7 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mettrics-macros v0.0.7
[INFO] [stderr]   Downloaded prettyplease v0.2.31
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e20dd43536776f0b0f9ac5c74d02072ab9be7a54f2fdeafa952d6ccccaf576b7
[INFO] running `Command { std: "docker" "start" "-a" "e20dd43536776f0b0f9ac5c74d02072ab9be7a54f2fdeafa952d6ccccaf576b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e20dd43536776f0b0f9ac5c74d02072ab9be7a54f2fdeafa952d6ccccaf576b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e20dd43536776f0b0f9ac5c74d02072ab9be7a54f2fdeafa952d6ccccaf576b7", kill_on_drop: false }`
[INFO] [stdout] e20dd43536776f0b0f9ac5c74d02072ab9be7a54f2fdeafa952d6ccccaf576b7
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6adba7fbdb4a77b738dcd10f0469dd1aff6b00ab2b50e7c107e6349a708c086
[INFO] running `Command { std: "docker" "start" "-a" "b6adba7fbdb4a77b738dcd10f0469dd1aff6b00ab2b50e7c107e6349a708c086", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling prettyplease v0.2.31
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling mettrics-macros v0.0.7
[INFO] [stderr]    Compiling mettrics v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/types/histolog2.rs:123:23
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn to_display(&self) -> HistoLog2Display {
[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] 123 |     pub fn to_display(&self) -> HistoLog2Display<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.89s
[INFO] running `Command { std: "docker" "inspect" "b6adba7fbdb4a77b738dcd10f0469dd1aff6b00ab2b50e7c107e6349a708c086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6adba7fbdb4a77b738dcd10f0469dd1aff6b00ab2b50e7c107e6349a708c086", kill_on_drop: false }`
[INFO] [stdout] b6adba7fbdb4a77b738dcd10f0469dd1aff6b00ab2b50e7c107e6349a708c086
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4978e477bd93fc1b490243f2cf9f8d9682bd8989685fb7a97c3ba44e4bfd79b2
[INFO] running `Command { std: "docker" "start" "-a" "4978e477bd93fc1b490243f2cf9f8d9682bd8989685fb7a97c3ba44e4bfd79b2", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/types/histolog2.rs:123:23
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn to_display(&self) -> HistoLog2Display {
[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] 123 |     pub fn to_display(&self) -> HistoLog2Display<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mettrics v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/types/histolog2.rs:123:23
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn to_display(&self) -> HistoLog2Display {
[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] 123 |     pub fn to_display(&self) -> HistoLog2Display<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "4978e477bd93fc1b490243f2cf9f8d9682bd8989685fb7a97c3ba44e4bfd79b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4978e477bd93fc1b490243f2cf9f8d9682bd8989685fb7a97c3ba44e4bfd79b2", kill_on_drop: false }`
[INFO] [stdout] 4978e477bd93fc1b490243f2cf9f8d9682bd8989685fb7a97c3ba44e4bfd79b2
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 46232321b8857ca3d46a7305ca7dbadad25037a26bef925dd9c5dbe74083826f
[INFO] running `Command { std: "docker" "start" "-a" "46232321b8857ca3d46a7305ca7dbadad25037a26bef925dd9c5dbe74083826f", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/types/histolog2.rs:123:23
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn to_display(&self) -> HistoLog2Display {
[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] 123 |     pub fn to_display(&self) -> HistoLog2Display<'_> {
[INFO] [stderr]     |                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mettrics` (lib) generated 1 warning
[INFO] [stderr] warning: `mettrics` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mettrics-286b1a1979d32c8b)
[INFO] [stderr]    Doc-tests mettrics
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test types::histolog2::histo_00 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "46232321b8857ca3d46a7305ca7dbadad25037a26bef925dd9c5dbe74083826f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46232321b8857ca3d46a7305ca7dbadad25037a26bef925dd9c5dbe74083826f", kill_on_drop: false }`
[INFO] [stdout] 46232321b8857ca3d46a7305ca7dbadad25037a26bef925dd9c5dbe74083826f