[INFO] fetching crate dcsv 0.3.4-beta.2...
[INFO] testing dcsv-0.3.4-beta.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate dcsv 0.3.4-beta.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate dcsv 0.3.4-beta.2
[INFO] finished tweaking crates.io crate dcsv 0.3.4-beta.2
[INFO] tweaked toml for crates.io crate dcsv 0.3.4-beta.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dcsv 0.3.4-beta.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.1)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 18a9c74d19b2b6fb7ad10b253c05f442cb6c1aec3875f4791cd95ee6d4157013
[INFO] running `Command { std: "docker" "start" "-a" "18a9c74d19b2b6fb7ad10b253c05f442cb6c1aec3875f4791cd95ee6d4157013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18a9c74d19b2b6fb7ad10b253c05f442cb6c1aec3875f4791cd95ee6d4157013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18a9c74d19b2b6fb7ad10b253c05f442cb6c1aec3875f4791cd95ee6d4157013", kill_on_drop: false }`
[INFO] [stdout] 18a9c74d19b2b6fb7ad10b253c05f442cb6c1aec3875f4791cd95ee6d4157013
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 12ff125e439647da491e362afb527d111f1ffc3bba7eb69d12538336e1ef0690
[INFO] running `Command { std: "docker" "start" "-a" "12ff125e439647da491e362afb527d111f1ffc3bba7eb69d12538336e1ef0690", kill_on_drop: false }`
[INFO] [stderr]    Compiling dcsv v0.3.4-beta.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/virtual_data.rs:535:26
[INFO] [stdout]     |
[INFO] [stdout] 535 |     pub fn read_only_ref(&self) -> ReadOnlyDataRef {
[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] 535 |     pub fn read_only_ref(&self) -> ReadOnlyDataRef<'_> {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "12ff125e439647da491e362afb527d111f1ffc3bba7eb69d12538336e1ef0690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12ff125e439647da491e362afb527d111f1ffc3bba7eb69d12538336e1ef0690", kill_on_drop: false }`
[INFO] [stdout] 12ff125e439647da491e362afb527d111f1ffc3bba7eb69d12538336e1ef0690
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cecbc358a491bf17f55fce9e90549ea20658b491efe8b2ac02afab1bb128aab6
[INFO] running `Command { std: "docker" "start" "-a" "cecbc358a491bf17f55fce9e90549ea20658b491efe8b2ac02afab1bb128aab6", kill_on_drop: false }`
[INFO] [stderr]    Compiling dcsv v0.3.4-beta.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/virtual_data.rs:535:26
[INFO] [stdout]     |
[INFO] [stdout] 535 |     pub fn read_only_ref(&self) -> ReadOnlyDataRef {
[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] 535 |     pub fn read_only_ref(&self) -> ReadOnlyDataRef<'_> {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/virtual_data.rs:535:26
[INFO] [stdout]     |
[INFO] [stdout] 535 |     pub fn read_only_ref(&self) -> ReadOnlyDataRef {
[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] 535 |     pub fn read_only_ref(&self) -> ReadOnlyDataRef<'_> {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "cecbc358a491bf17f55fce9e90549ea20658b491efe8b2ac02afab1bb128aab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cecbc358a491bf17f55fce9e90549ea20658b491efe8b2ac02afab1bb128aab6", kill_on_drop: false }`
[INFO] [stdout] cecbc358a491bf17f55fce9e90549ea20658b491efe8b2ac02afab1bb128aab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 02dcbfd3ec7663c0b6baad95075959a291e0d7a8205c68c18b052f162d7592f0
[INFO] running `Command { std: "docker" "start" "-a" "02dcbfd3ec7663c0b6baad95075959a291e0d7a8205c68c18b052f162d7592f0", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/virtual_data.rs:535:26
[INFO] [stderr]     |
[INFO] [stderr] 535 |     pub fn read_only_ref(&self) -> ReadOnlyDataRef {
[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] 535 |     pub fn read_only_ref(&self) -> ReadOnlyDataRef<'_> {
[INFO] [stderr]     |                                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `dcsv` (lib) generated 1 warning
[INFO] [stderr] warning: `dcsv` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dcsv-60e4c58959a6b279)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] Lorem ipsum dolor sit amet
[INFO] [stdout]   1     2     3    4    5 
[INFO] [stdout] test test::testos::read_csv ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.62s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dcsv
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 15) - compile ... ok
[INFO] [stdout] test src/reader.rs - reader::Reader (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "02dcbfd3ec7663c0b6baad95075959a291e0d7a8205c68c18b052f162d7592f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02dcbfd3ec7663c0b6baad95075959a291e0d7a8205c68c18b052f162d7592f0", kill_on_drop: false }`
[INFO] [stdout] 02dcbfd3ec7663c0b6baad95075959a291e0d7a8205c68c18b052f162d7592f0