[INFO] fetching crate slow-scan-print 2.1.0...
[INFO] testing slow-scan-print-2.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate slow-scan-print 2.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate slow-scan-print 2.1.0
[INFO] finished tweaking crates.io crate slow-scan-print 2.1.0
[INFO] tweaked toml for crates.io crate slow-scan-print 2.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slow-scan-print 2.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slow-scan-print 2.1.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98777293f45f6adc18a9d7cebbbb98f7e427a0f909eb531fd5dedaf75fd12125
[INFO] running `Command { std: "docker" "start" "-a" "98777293f45f6adc18a9d7cebbbb98f7e427a0f909eb531fd5dedaf75fd12125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98777293f45f6adc18a9d7cebbbb98f7e427a0f909eb531fd5dedaf75fd12125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98777293f45f6adc18a9d7cebbbb98f7e427a0f909eb531fd5dedaf75fd12125", kill_on_drop: false }`
[INFO] [stdout] 98777293f45f6adc18a9d7cebbbb98f7e427a0f909eb531fd5dedaf75fd12125
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f36abca1b034fcbc466c806ee24cf8e9af271c3d3cf15f6da64f64d98054040a
[INFO] running `Command { std: "docker" "start" "-a" "f36abca1b034fcbc466c806ee24cf8e9af271c3d3cf15f6da64f64d98054040a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling nix v0.30.1
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[INFO] [stderr]    Compiling thiserror-impl v2.0.16
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[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling ignore v0.4.23
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[INFO] [stderr]    Compiling rust-i18n v3.1.4
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling triomphe v0.1.14
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling toml v0.8.20
[INFO] [stderr]    Compiling rust-i18n-support v3.1.4
[INFO] [stderr]    Compiling rust-i18n-macro v3.1.4
[INFO] [stderr]    Compiling slow-scan-print v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/input.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub(crate) fn open(uri: &str) -> Result<Self, Error> {
[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] 50 |     pub(crate) fn open(uri: &str) -> Result<Self, Error<'_>> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.16s
[INFO] running `Command { std: "docker" "inspect" "f36abca1b034fcbc466c806ee24cf8e9af271c3d3cf15f6da64f64d98054040a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36abca1b034fcbc466c806ee24cf8e9af271c3d3cf15f6da64f64d98054040a", kill_on_drop: false }`
[INFO] [stdout] f36abca1b034fcbc466c806ee24cf8e9af271c3d3cf15f6da64f64d98054040a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e36c77216a5d8e6a9a3dee753a6ccb9436a440edd4c96c9e7b0ee61f0ec7e1c
[INFO] running `Command { std: "docker" "start" "-a" "2e36c77216a5d8e6a9a3dee753a6ccb9436a440edd4c96c9e7b0ee61f0ec7e1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling slow-scan-print v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/input.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub(crate) fn open(uri: &str) -> Result<Self, Error> {
[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] 50 |     pub(crate) fn open(uri: &str) -> Result<Self, Error<'_>> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "2e36c77216a5d8e6a9a3dee753a6ccb9436a440edd4c96c9e7b0ee61f0ec7e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e36c77216a5d8e6a9a3dee753a6ccb9436a440edd4c96c9e7b0ee61f0ec7e1c", kill_on_drop: false }`
[INFO] [stdout] 2e36c77216a5d8e6a9a3dee753a6ccb9436a440edd4c96c9e7b0ee61f0ec7e1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 231f0d66c0fe34fb64ca16fcbd84d1fb1b632cd3f8103bd34c31d7eb25f37bd5
[INFO] running `Command { std: "docker" "start" "-a" "231f0d66c0fe34fb64ca16fcbd84d1fb1b632cd3f8103bd34c31d7eb25f37bd5", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/input.rs:50:29
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub(crate) fn open(uri: &str) -> Result<Self, Error> {
[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] 50 |     pub(crate) fn open(uri: &str) -> Result<Self, Error<'_>> {
[INFO] [stderr]    |                                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `slow-scan-print` (bin "slow-scan-print" test) generated 1 warning (run `cargo fix --bin "slow-scan-print" -p slow-scan-print --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slow_scan_print-7d3e0b712308654e)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/slow_scan_print-563f89dc1bafe4a6)
[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] [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 slow_scan_print
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - SlowScanConfig::set_base_delay_from_expected_total_duration (line 152) ... ok
[INFO] [stdout] test src/lib.rs - SlowScanConfig (line 17) ... ok
[INFO] [stdout] test src/lib.rs - SlowScanWrite::slow_scan_write_by_chunks (line 251) ... ok
[INFO] [stdout] test src/lib.rs - SlowScanWrite::slow_scan_write_by_chunks (line 288) ... ok
[INFO] [stdout] test src/lib.rs - SlowScanConfig::set_base_delay_from_expected_total_duration (line 103) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.72s; merged doctests compilation took 0.60s
[INFO] running `Command { std: "docker" "inspect" "231f0d66c0fe34fb64ca16fcbd84d1fb1b632cd3f8103bd34c31d7eb25f37bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "231f0d66c0fe34fb64ca16fcbd84d1fb1b632cd3f8103bd34c31d7eb25f37bd5", kill_on_drop: false }`
[INFO] [stdout] 231f0d66c0fe34fb64ca16fcbd84d1fb1b632cd3f8103bd34c31d7eb25f37bd5