[INFO] fetching crate memsnap 0.1.2... [INFO] testing memsnap-0.1.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate memsnap 0.1.2 into /workspace/builds/worker-2-tc1/source [INFO] removed /workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate memsnap 0.1.2 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded windows-threading v0.1.0 [INFO] [stderr] Downloaded segv-test v0.1.0 [INFO] [stderr] Downloaded windows-numerics v0.2.0 [INFO] [stderr] Downloaded windows-future v0.2.1 [INFO] [stderr] Downloaded windows-collections v0.2.0 [INFO] [stderr] Downloaded cc v1.2.30 [INFO] [stderr] Downloaded windows v0.61.3 [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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1b5b1a29b9bd3344bc63870b910d46184110bb78e95aa75124c812c2d3c9533c [INFO] running `Command { std: "docker" "start" "-a" "1b5b1a29b9bd3344bc63870b910d46184110bb78e95aa75124c812c2d3c9533c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b5b1a29b9bd3344bc63870b910d46184110bb78e95aa75124c812c2d3c9533c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b5b1a29b9bd3344bc63870b910d46184110bb78e95aa75124c812c2d3c9533c", kill_on_drop: false }` [INFO] [stdout] 1b5b1a29b9bd3344bc63870b910d46184110bb78e95aa75124c812c2d3c9533c [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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8df3be1a5652e51d304fe2db17aae1505d171cae58ed91019d567ce28a47c0bb [INFO] running `Command { std: "docker" "start" "-a" "8df3be1a5652e51d304fe2db17aae1505d171cae58ed91019d567ce28a47c0bb", kill_on_drop: false }` [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 0.63s [INFO] running `Command { std: "docker" "inspect" "8df3be1a5652e51d304fe2db17aae1505d171cae58ed91019d567ce28a47c0bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8df3be1a5652e51d304fe2db17aae1505d171cae58ed91019d567ce28a47c0bb", kill_on_drop: false }` [INFO] [stdout] 8df3be1a5652e51d304fe2db17aae1505d171cae58ed91019d567ce28a47c0bb [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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] acfa30400a8b9bc0c292517a8454318287ed63f3853dd75542957df2044af0fc [INFO] running `Command { std: "docker" "start" "-a" "acfa30400a8b9bc0c292517a8454318287ed63f3853dd75542957df2044af0fc", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v1.0.8 [INFO] [stderr] Compiling cc v1.2.30 [INFO] [stderr] Compiling getrandom v0.3.3 [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] 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 6.39s [INFO] running `Command { std: "docker" "inspect" "acfa30400a8b9bc0c292517a8454318287ed63f3853dd75542957df2044af0fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "acfa30400a8b9bc0c292517a8454318287ed63f3853dd75542957df2044af0fc", kill_on_drop: false }` [INFO] [stdout] acfa30400a8b9bc0c292517a8454318287ed63f3853dd75542957df2044af0fc [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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 56c33e0875142d8fbcd1e8b1d2c89ea6d49a03f985753e072a23e9d07b7b6ecb [INFO] running `Command { std: "docker" "start" "-a" "56c33e0875142d8fbcd1e8b1d2c89ea6d49a03f985753e072a23e9d07b7b6ecb", 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 0.13s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/memsnap-a5035940638fd611) [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test tests::test_protect_none ... ok [INFO] [stdout] test tests::test_protect_write ... ok [INFO] [stdout] test tests::test_empty_snapshot ... ok [INFO] [stdout] test tests::test_from_slice ... ok [INFO] [stdout] test tests::test_empty_file ... ok [INFO] [stdout] test tests::test_protect_read ... ok [INFO] [stdout] test tests::test_take_snapshot ... ok [INFO] [stdout] test tests::test_try_clone_snapshot ... ok [INFO] [stdout] test tests::test_view_cow ... ok [INFO] [stdout] test tests::test_zeroed ... ok [INFO] [stdout] test tests::test_from_file ... ok [INFO] [stdout] test tests::test_view_arc ... ok [INFO] [stdout] test tests::test_view_mut ... ok [INFO] [stdout] test tests::test_view_restore ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Doc-tests memsnap [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/readme.rs - readme (line 20) ... ok [INFO] [stdout] test src/readme.rs - readme (line 44) ... 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 0.56s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "56c33e0875142d8fbcd1e8b1d2c89ea6d49a03f985753e072a23e9d07b7b6ecb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56c33e0875142d8fbcd1e8b1d2c89ea6d49a03f985753e072a23e9d07b7b6ecb", kill_on_drop: false }` [INFO] [stdout] 56c33e0875142d8fbcd1e8b1d2c89ea6d49a03f985753e072a23e9d07b7b6ecb