[INFO] cloning repository https://github.com/iwanders/playground-writes-to-protected-page [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iwanders/playground-writes-to-protected-page" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwanders%2Fplayground-writes-to-protected-page", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwanders%2Fplayground-writes-to-protected-page'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8e5e955a1260c65f1c9c02e2c115aa29d9be4797 [INFO] checking iwanders/playground-writes-to-protected-page against master#db0e836148accac8a22532e3596ac612b63c2d8e for pr-139272 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwanders%2Fplayground-writes-to-protected-page" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iwanders/playground-writes-to-protected-page on toolchain db0e836148accac8a22532e3596ac612b63c2d8e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iwanders/playground-writes-to-protected-page [INFO] finished tweaking git repo https://github.com/iwanders/playground-writes-to-protected-page [INFO] tweaked toml for git repo https://github.com/iwanders/playground-writes-to-protected-page written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/iwanders/playground-writes-to-protected-page 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" "+db0e836148accac8a22532e3596ac612b63c2d8e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4b77e33c9b8ce03abb5c4881e73559d76bbf43475e31b678ac7bb297c91d8d7 [INFO] running `Command { std: "docker" "start" "-a" "e4b77e33c9b8ce03abb5c4881e73559d76bbf43475e31b678ac7bb297c91d8d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4b77e33c9b8ce03abb5c4881e73559d76bbf43475e31b678ac7bb297c91d8d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4b77e33c9b8ce03abb5c4881e73559d76bbf43475e31b678ac7bb297c91d8d7", kill_on_drop: false }` [INFO] [stdout] e4b77e33c9b8ce03abb5c4881e73559d76bbf43475e31b678ac7bb297c91d8d7 [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=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f3eac94ad557aa4f1a538f5ddf157a90a19614b20335d746af073e4a1a5312bd [INFO] running `Command { std: "docker" "start" "-a" "f3eac94ad557aa4f1a538f5ddf157a90a19614b20335d746af073e4a1a5312bd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Checking track_writes v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::mem::MaybeUninit` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::mem::MaybeUninit; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:118:33 [INFO] [stdout] | [INFO] [stdout] 118 | dest += (displacement[1] as usize * 255); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 118 - dest += (displacement[1] as usize * 255); [INFO] [stdout] 118 + dest += displacement[1] as usize * 255; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:119:33 [INFO] [stdout] | [INFO] [stdout] 119 | dest += (displacement[2] as usize * 255 * 255); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 119 - dest += (displacement[2] as usize * 255 * 255); [INFO] [stdout] 119 + dest += displacement[2] as usize * 255 * 255; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:120:33 [INFO] [stdout] | [INFO] [stdout] 120 | dest += (displacement[3] as usize * 255 * 255 * 255); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 120 - dest += (displacement[3] as usize * 255 * 255 * 255); [INFO] [stdout] 120 + dest += displacement[3] as usize * 255 * 255 * 255; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sig` [INFO] [stdout] --> src/main.rs:10:30 [INFO] [stdout] | [INFO] [stdout] 10 | extern "C" fn sigsev_handler(sig: c_int, info: *mut libc::siginfo_t, context: *mut c_void) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sig` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut ucontext = std::mem::transmute::<_, *mut libc::ucontext_t>(context); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:186:9 [INFO] [stdout] | [INFO] [stdout] 186 | let r = libc::sigaction(libc::SIGSEGV, &action, std::ptr::null_mut()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:206:9 [INFO] [stdout] | [INFO] [stdout] 206 | let r = libc::mprotect(addr, PAGE_SIZE, libc::PROT_READ | libc::PROT_WRITE); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:215:9 [INFO] [stdout] | [INFO] [stdout] 215 | let r = libc::mprotect(addr, PAGE_SIZE, libc::PROT_READ); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem::MaybeUninit` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::mem::MaybeUninit; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:118:33 [INFO] [stdout] | [INFO] [stdout] 118 | dest += (displacement[1] as usize * 255); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 118 - dest += (displacement[1] as usize * 255); [INFO] [stdout] 118 + dest += displacement[1] as usize * 255; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:119:33 [INFO] [stdout] | [INFO] [stdout] 119 | dest += (displacement[2] as usize * 255 * 255); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 119 - dest += (displacement[2] as usize * 255 * 255); [INFO] [stdout] 119 + dest += displacement[2] as usize * 255 * 255; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:120:33 [INFO] [stdout] | [INFO] [stdout] 120 | dest += (displacement[3] as usize * 255 * 255 * 255); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 120 - dest += (displacement[3] as usize * 255 * 255 * 255); [INFO] [stdout] 120 + dest += displacement[3] as usize * 255 * 255 * 255; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sig` [INFO] [stdout] --> src/main.rs:10:30 [INFO] [stdout] | [INFO] [stdout] 10 | extern "C" fn sigsev_handler(sig: c_int, info: *mut libc::siginfo_t, context: *mut c_void) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sig` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut ucontext = std::mem::transmute::<_, *mut libc::ucontext_t>(context); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:186:9 [INFO] [stdout] | [INFO] [stdout] 186 | let r = libc::sigaction(libc::SIGSEGV, &action, std::ptr::null_mut()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:206:9 [INFO] [stdout] | [INFO] [stdout] 206 | let r = libc::mprotect(addr, PAGE_SIZE, libc::PROT_READ | libc::PROT_WRITE); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:215:9 [INFO] [stdout] | [INFO] [stdout] 215 | let r = libc::mprotect(addr, PAGE_SIZE, libc::PROT_READ); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.44s [INFO] running `Command { std: "docker" "inspect" "f3eac94ad557aa4f1a538f5ddf157a90a19614b20335d746af073e4a1a5312bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3eac94ad557aa4f1a538f5ddf157a90a19614b20335d746af073e4a1a5312bd", kill_on_drop: false }` [INFO] [stdout] f3eac94ad557aa4f1a538f5ddf157a90a19614b20335d746af073e4a1a5312bd