[INFO] fetching crate memsnap 0.1.2... [INFO] testing memsnap-0.1.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate memsnap 0.1.2 into /workspace/builds/worker-4-tc2/source [INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate memsnap 0.1.2 [INFO] finished tweaking crates.io crate memsnap 0.1.2 [INFO] tweaked toml for crates.io crate memsnap 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate memsnap 0.1.2 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate memsnap 0.1.2 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c949605706d4721c6688a457555bb4936bd9dd7b7e481bc370e45451ed12fcc0 [INFO] running `Command { std: "docker" "start" "-a" "c949605706d4721c6688a457555bb4936bd9dd7b7e481bc370e45451ed12fcc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c949605706d4721c6688a457555bb4936bd9dd7b7e481bc370e45451ed12fcc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c949605706d4721c6688a457555bb4936bd9dd7b7e481bc370e45451ed12fcc0", kill_on_drop: false }` [INFO] [stdout] c949605706d4721c6688a457555bb4936bd9dd7b7e481bc370e45451ed12fcc0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac5faafa90c17dbd0d986442b57f09bfe0253235b26dbfc6c8d8eddd55b52a57 [INFO] running `Command { std: "docker" "start" "-a" "ac5faafa90c17dbd0d986442b57f09bfe0253235b26dbfc6c8d8eddd55b52a57", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling bitflags v2.9.1 [INFO] [stderr] Compiling page_size v0.6.0 [INFO] [stderr] Compiling memsnap v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:119:17 [INFO] [stdout] | [INFO] [stdout] 119 | pub fn view(&self) -> std::io::Result { [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] 119 | pub fn view(&self) -> std::io::Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:128:21 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn view_mut(&mut self) -> std::io::Result { [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] 128 | pub fn view_mut(&mut self) -> std::io::Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.44s [INFO] running `Command { std: "docker" "inspect" "ac5faafa90c17dbd0d986442b57f09bfe0253235b26dbfc6c8d8eddd55b52a57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac5faafa90c17dbd0d986442b57f09bfe0253235b26dbfc6c8d8eddd55b52a57", kill_on_drop: false }` [INFO] [stdout] ac5faafa90c17dbd0d986442b57f09bfe0253235b26dbfc6c8d8eddd55b52a57 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 506d981a0c77472a37a79c638366d9ca559ac58faad854dc6e30fe565e4632df [INFO] running `Command { std: "docker" "start" "-a" "506d981a0c77472a37a79c638366d9ca559ac58faad854dc6e30fe565e4632df", kill_on_drop: false }` [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling rustix v1.0.8 [INFO] [stderr] Compiling bitflags v2.9.1 [INFO] [stderr] Compiling cfg-if v1.0.1 [INFO] [stderr] Compiling linux-raw-sys v0.9.4 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling memsnap v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Compiling cc v1.2.30 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:119:17 [INFO] [stdout] | [INFO] [stdout] 119 | pub fn view(&self) -> std::io::Result { [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] 119 | pub fn view(&self) -> std::io::Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:128:21 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn view_mut(&mut self) -> std::io::Result { [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] 128 | pub fn view_mut(&mut self) -> std::io::Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling segv-test v0.1.0 [INFO] [stderr] Compiling tempfile v3.20.0 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:119:17 [INFO] [stdout] | [INFO] [stdout] 119 | pub fn view(&self) -> std::io::Result { [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] 119 | pub fn view(&self) -> std::io::Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:128:21 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn view_mut(&mut self) -> std::io::Result { [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] 128 | pub fn view_mut(&mut self) -> std::io::Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 3.44s [INFO] running `Command { std: "docker" "inspect" "506d981a0c77472a37a79c638366d9ca559ac58faad854dc6e30fe565e4632df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "506d981a0c77472a37a79c638366d9ca559ac58faad854dc6e30fe565e4632df", kill_on_drop: false }` [INFO] [stdout] 506d981a0c77472a37a79c638366d9ca559ac58faad854dc6e30fe565e4632df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c542f057f500293ec6e1991016721b1986979489322177e896ca8e9e377fd809 [INFO] running `Command { std: "docker" "start" "-a" "c542f057f500293ec6e1991016721b1986979489322177e896ca8e9e377fd809", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:119:17 [INFO] [stderr] | [INFO] [stderr] 119 | pub fn view(&self) -> std::io::Result { [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] 119 | pub fn view(&self) -> std::io::Result> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:128:21 [INFO] [stderr] | [INFO] [stderr] 128 | pub fn view_mut(&mut self) -> std::io::Result { [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] 128 | pub fn view_mut(&mut self) -> std::io::Result> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `memsnap` (lib) generated 2 warnings (run `cargo fix --lib -p memsnap` to apply 2 suggestions) [INFO] [stderr] warning: `memsnap` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/memsnap-ad4d6fea6746dcfc) [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test tests::test_empty_snapshot ... ok [INFO] [stdout] test tests::test_try_clone_snapshot ... ok [INFO] [stdout] test tests::test_view_arc ... ok [INFO] [stdout] test tests::test_protect_read ... ok [INFO] [stdout] test tests::test_zeroed ... ok [INFO] [stdout] test tests::test_protect_write ... ok [INFO] [stdout] test tests::test_protect_none ... ok [INFO] [stdout] test tests::test_view_cow ... ok [INFO] [stdout] test tests::test_view_restore ... ok [INFO] [stdout] test tests::test_view_mut ... ok [INFO] [stdout] test tests::test_empty_file ... ok [INFO] [stdout] test tests::test_take_snapshot ... ok [INFO] [stdout] test tests::test_from_slice ... ok [INFO] [stderr] Doc-tests memsnap [INFO] [stdout] test tests::test_from_file ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/readme.rs - readme (line 44) ... ok [INFO] [stdout] test src/readme.rs - readme (line 20) ... ok [INFO] [stdout] test src/readme.rs - readme (line 113) ... ok [INFO] [stdout] test src/readme.rs - readme (line 92) ... ok [INFO] [stdout] test src/readme.rs - readme (line 67) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c542f057f500293ec6e1991016721b1986979489322177e896ca8e9e377fd809", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c542f057f500293ec6e1991016721b1986979489322177e896ca8e9e377fd809", kill_on_drop: false }` [INFO] [stdout] c542f057f500293ec6e1991016721b1986979489322177e896ca8e9e377fd809