[INFO] cloning repository https://github.com/ilknarf/ptrace_timetravel [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ilknarf/ptrace_timetravel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filknarf%2Fptrace_timetravel", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filknarf%2Fptrace_timetravel'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3c017b1511fe9a968b6519cc2634406a76b83113 [INFO] testing ilknarf/ptrace_timetravel against master#c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af for pr-154756 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filknarf%2Fptrace_timetravel" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ilknarf/ptrace_timetravel [INFO] finished tweaking git repo https://github.com/ilknarf/ptrace_timetravel [INFO] tweaked toml for git repo https://github.com/ilknarf/ptrace_timetravel written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ilknarf/ptrace_timetravel on toolchain c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ilknarf/ptrace_timetravel 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" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "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 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded elf v0.7.4 [INFO] [stderr] Downloaded libc v0.2.159 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2ab7ca5bcbaa57b1bf207175280723c98a72271f501827be5a28e18b7cecf190 [INFO] running `Command { std: "docker" "start" "-a" "2ab7ca5bcbaa57b1bf207175280723c98a72271f501827be5a28e18b7cecf190", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ab7ca5bcbaa57b1bf207175280723c98a72271f501827be5a28e18b7cecf190", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ab7ca5bcbaa57b1bf207175280723c98a72271f501827be5a28e18b7cecf190", kill_on_drop: false }` [INFO] [stdout] 2ab7ca5bcbaa57b1bf207175280723c98a72271f501827be5a28e18b7cecf190 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b8252676ac1b9925f14a48b3cd28ae47ecf49b7602e88a7804408d63228d59e8 [INFO] running `Command { std: "docker" "start" "-a" "b8252676ac1b9925f14a48b3cd28ae47ecf49b7602e88a7804408d63228d59e8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling cfg_aliases v0.2.1 [INFO] [stderr] Compiling bitflags v2.6.0 [INFO] [stderr] Compiling elf v0.7.4 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Compiling ptrace_timetravel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/main.rs:16:58 [INFO] [stdout] | [INFO] [stdout] 16 | unsafe fn fake_clock_gettime(_clock_id: libc::clockid_t, res: *mut libc::timespec) -> libc::c_int { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:112:17 [INFO] [stdout] | [INFO] [stdout] 112 | fn get_elf(mem: &Vec) -> Result, Box> { [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] 112 | fn get_elf(mem: &Vec) -> Result, Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.82s [INFO] running `Command { std: "docker" "inspect" "b8252676ac1b9925f14a48b3cd28ae47ecf49b7602e88a7804408d63228d59e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8252676ac1b9925f14a48b3cd28ae47ecf49b7602e88a7804408d63228d59e8", kill_on_drop: false }` [INFO] [stdout] b8252676ac1b9925f14a48b3cd28ae47ecf49b7602e88a7804408d63228d59e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] afcd0c25c3806d801630639cf6d583343388fcb92d745d8086f418255f307329 [INFO] running `Command { std: "docker" "start" "-a" "afcd0c25c3806d801630639cf6d583343388fcb92d745d8086f418255f307329", kill_on_drop: false }` [INFO] [stderr] Compiling ptrace_timetravel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/main.rs:16:58 [INFO] [stdout] | [INFO] [stdout] 16 | unsafe fn fake_clock_gettime(_clock_id: libc::clockid_t, res: *mut libc::timespec) -> libc::c_int { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:112:17 [INFO] [stdout] | [INFO] [stdout] 112 | fn get_elf(mem: &Vec) -> Result, Box> { [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] 112 | fn get_elf(mem: &Vec) -> Result, Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "afcd0c25c3806d801630639cf6d583343388fcb92d745d8086f418255f307329", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afcd0c25c3806d801630639cf6d583343388fcb92d745d8086f418255f307329", kill_on_drop: false }` [INFO] [stdout] afcd0c25c3806d801630639cf6d583343388fcb92d745d8086f418255f307329 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] de79295db2fae74f954423c9242f846fd714d77a6b68bcd4e52967c6b7a52964 [INFO] running `Command { std: "docker" "start" "-a" "de79295db2fae74f954423c9242f846fd714d77a6b68bcd4e52967c6b7a52964", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `res` [INFO] [stdout] [INFO] [stderr] --> src/main.rs:16:58 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 16 | unsafe fn fake_clock_gettime(_clock_id: libc::clockid_t, res: *mut libc::timespec) -> libc::c_int { [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/main.rs:112:17 [INFO] [stderr] | [INFO] [stderr] 112 | fn get_elf(mem: &Vec) -> Result, Box> { [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] 112 | fn get_elf(mem: &Vec) -> Result, Box> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `ptrace_timetravel` (bin "ptrace_timetravel" test) generated 2 warnings (run `cargo fix --bin "ptrace_timetravel" -p ptrace_timetravel --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ptrace_timetravel-3603fb5e6fca566b) [INFO] running `Command { std: "docker" "inspect" "de79295db2fae74f954423c9242f846fd714d77a6b68bcd4e52967c6b7a52964", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de79295db2fae74f954423c9242f846fd714d77a6b68bcd4e52967c6b7a52964", kill_on_drop: false }` [INFO] [stdout] de79295db2fae74f954423c9242f846fd714d77a6b68bcd4e52967c6b7a52964