[INFO] cloning repository https://github.com/tetsuzawa/strace-from-scratch-in-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tetsuzawa/strace-from-scratch-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetsuzawa%2Fstrace-from-scratch-in-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetsuzawa%2Fstrace-from-scratch-in-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b60dbd65f1eba5c372f379ee1031a3634be4be83 [INFO] testing tetsuzawa/strace-from-scratch-in-rust against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetsuzawa%2Fstrace-from-scratch-in-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tetsuzawa/strace-from-scratch-in-rust on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tetsuzawa/strace-from-scratch-in-rust [INFO] finished tweaking git repo https://github.com/tetsuzawa/strace-from-scratch-in-rust [INFO] tweaked toml for git repo https://github.com/tetsuzawa/strace-from-scratch-in-rust written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/tetsuzawa/strace-from-scratch-in-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6d5320c1cd02b288d491a91ef6cefca4a2fcb9aef457624bdd45e8af25c21f09 [INFO] running `Command { std: "docker" "start" "-a" "6d5320c1cd02b288d491a91ef6cefca4a2fcb9aef457624bdd45e8af25c21f09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6d5320c1cd02b288d491a91ef6cefca4a2fcb9aef457624bdd45e8af25c21f09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d5320c1cd02b288d491a91ef6cefca4a2fcb9aef457624bdd45e8af25c21f09", kill_on_drop: false }` [INFO] [stdout] 6d5320c1cd02b288d491a91ef6cefca4a2fcb9aef457624bdd45e8af25c21f09 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f0a8b3d7daef47d247b12d3cee487e5f1ff9a59c76be6070beb608469262b82d [INFO] running `Command { std: "docker" "start" "-a" "f0a8b3d7daef47d247b12d3cee487e5f1ff9a59c76be6070beb608469262b82d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling nix v0.23.1 [INFO] [stderr] Compiling strace-from-scratch-in-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `nix::sys::signal::Signal` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use nix::sys::signal::Signal; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 45 | e => std::io::Error::from_raw_os_error(e as i32), [INFO] [stdout] | - matches any value [INFO] [stdout] 46 | _ => std::io::Error::new(std::io::ErrorKind::Other, "unknown PTRACE_TRACEME error"), [INFO] [stdout] | ^ unreachable pattern [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.20s [INFO] running `Command { std: "docker" "inspect" "f0a8b3d7daef47d247b12d3cee487e5f1ff9a59c76be6070beb608469262b82d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0a8b3d7daef47d247b12d3cee487e5f1ff9a59c76be6070beb608469262b82d", kill_on_drop: false }` [INFO] [stdout] f0a8b3d7daef47d247b12d3cee487e5f1ff9a59c76be6070beb608469262b82d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b13f2ab55f85952d2bd24e396d903bc8beab31a5876708983a096e58ab12b089 [INFO] running `Command { std: "docker" "start" "-a" "b13f2ab55f85952d2bd24e396d903bc8beab31a5876708983a096e58ab12b089", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling strace-from-scratch-in-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `nix::sys::signal::Signal` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use nix::sys::signal::Signal; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 45 | e => std::io::Error::from_raw_os_error(e as i32), [INFO] [stdout] | - matches any value [INFO] [stdout] 46 | _ => std::io::Error::new(std::io::ErrorKind::Other, "unknown PTRACE_TRACEME error"), [INFO] [stdout] | ^ unreachable pattern [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 34.84s [INFO] running `Command { std: "docker" "inspect" "b13f2ab55f85952d2bd24e396d903bc8beab31a5876708983a096e58ab12b089", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b13f2ab55f85952d2bd24e396d903bc8beab31a5876708983a096e58ab12b089", kill_on_drop: false }` [INFO] [stdout] b13f2ab55f85952d2bd24e396d903bc8beab31a5876708983a096e58ab12b089 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6a1c484c82f9491f6834670fe9be5e65f9d815fcb6476a51a2a0b3b46f9abf6b [INFO] running `Command { std: "docker" "start" "-a" "6a1c484c82f9491f6834670fe9be5e65f9d815fcb6476a51a2a0b3b46f9abf6b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `nix::sys::signal::Signal` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use nix::sys::signal::Signal; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Add` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::ops::Add; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/main.rs:46:17 [INFO] [stderr] | [INFO] [stderr] 45 | e => std::io::Error::from_raw_os_error(e as i32), [INFO] [stderr] | - matches any value [INFO] [stderr] 46 | _ => std::io::Error::new(std::io::ErrorKind::Other, "unknown PTRACE_TRACEME error"), [INFO] [stderr] | ^ unreachable pattern [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `strace-from-scratch-in-rust` (bin "strace-from-scratch-in-rust" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 19.50s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/strace_from_scratch_in_rust-9cfd2692f74c4ba1) [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] Running unittests (/opt/rustwide/target/debug/deps/strace_from_scratch_in_rust-b2313e03335126ce) [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 strace-from-scratch-in-rust [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] running `Command { std: "docker" "inspect" "6a1c484c82f9491f6834670fe9be5e65f9d815fcb6476a51a2a0b3b46f9abf6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a1c484c82f9491f6834670fe9be5e65f9d815fcb6476a51a2a0b3b46f9abf6b", kill_on_drop: false }` [INFO] [stdout] 6a1c484c82f9491f6834670fe9be5e65f9d815fcb6476a51a2a0b3b46f9abf6b