[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-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetsuzawa%2Fstrace-from-scratch-in-rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tetsuzawa/strace-from-scratch-in-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-14/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-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9b884ba4bbaf255dc19f5b1c0f37c34c499b385a7af07731b1d6529df40bc95
[INFO] running `Command { std: "docker" "start" "-a" "e9b884ba4bbaf255dc19f5b1c0f37c34c499b385a7af07731b1d6529df40bc95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9b884ba4bbaf255dc19f5b1c0f37c34c499b385a7af07731b1d6529df40bc95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b884ba4bbaf255dc19f5b1c0f37c34c499b385a7af07731b1d6529df40bc95", kill_on_drop: false }`
[INFO] [stdout] e9b884ba4bbaf255dc19f5b1c0f37c34c499b385a7af07731b1d6529df40bc95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44dff71543d1d3108f47fcc3dada85ad294c477f3d6a3eb4a437f1e513a9da2e
[INFO] running `Command { std: "docker" "start" "-a" "44dff71543d1d3108f47fcc3dada85ad294c477f3d6a3eb4a437f1e513a9da2e", 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 12.78s
[INFO] running `Command { std: "docker" "inspect" "44dff71543d1d3108f47fcc3dada85ad294c477f3d6a3eb4a437f1e513a9da2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44dff71543d1d3108f47fcc3dada85ad294c477f3d6a3eb4a437f1e513a9da2e", kill_on_drop: false }`
[INFO] [stdout] 44dff71543d1d3108f47fcc3dada85ad294c477f3d6a3eb4a437f1e513a9da2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46d45b7b43b5e71f5f92922d3ab364a8d12541d4439b69fa0eee850e6ffa99e1
[INFO] running `Command { std: "docker" "start" "-a" "46d45b7b43b5e71f5f92922d3ab364a8d12541d4439b69fa0eee850e6ffa99e1", 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 3m 00s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/strace_from_scratch_in_rust-9cfd2692f74c4ba1)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/strace_from_scratch_in_rust-b2313e03335126ce)
[INFO] running `Command { std: "docker" "inspect" "46d45b7b43b5e71f5f92922d3ab364a8d12541d4439b69fa0eee850e6ffa99e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46d45b7b43b5e71f5f92922d3ab364a8d12541d4439b69fa0eee850e6ffa99e1", kill_on_drop: false }`
[INFO] [stdout] 46d45b7b43b5e71f5f92922d3ab364a8d12541d4439b69fa0eee850e6ffa99e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a294d9fbe1c90b0b1441015cb8aecdb83cd5ca04ddae72bbab5a1048f33f88c6
[INFO] running `Command { std: "docker" "start" "-a" "a294d9fbe1c90b0b1441015cb8aecdb83cd5ca04ddae72bbab5a1048f33f88c6", 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 4m 47s
[INFO] [stderr]      Running unittests src/lib.rs (/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 src/main.rs (/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" "a294d9fbe1c90b0b1441015cb8aecdb83cd5ca04ddae72bbab5a1048f33f88c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a294d9fbe1c90b0b1441015cb8aecdb83cd5ca04ddae72bbab5a1048f33f88c6", kill_on_drop: false }`
[INFO] [stdout] a294d9fbe1c90b0b1441015cb8aecdb83cd5ca04ddae72bbab5a1048f33f88c6