[INFO] cloning repository https://github.com/ZiCog/loop_blocking
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZiCog/loop_blocking" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZiCog%2Floop_blocking", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZiCog%2Floop_blocking'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e63453367df7a2ceeff3396170f16082fb3fea32
[INFO] testing ZiCog/loop_blocking against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZiCog%2Floop_blocking" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZiCog/loop_blocking on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ZiCog/loop_blocking
[INFO] finished tweaking git repo https://github.com/ZiCog/loop_blocking
[INFO] tweaked toml for git repo https://github.com/ZiCog/loop_blocking written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/ZiCog/loop_blocking already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1d4597446d328533a70d3e9f07aaca96bc6aa949a4aceda25e4904dab227b71
[INFO] running `Command { std: "docker" "start" "-a" "f1d4597446d328533a70d3e9f07aaca96bc6aa949a4aceda25e4904dab227b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1d4597446d328533a70d3e9f07aaca96bc6aa949a4aceda25e4904dab227b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d4597446d328533a70d3e9f07aaca96bc6aa949a4aceda25e4904dab227b71", kill_on_drop: false }`
[INFO] [stdout] f1d4597446d328533a70d3e9f07aaca96bc6aa949a4aceda25e4904dab227b71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ce27dffbc186f5c4d8620e380fde409bebf4124dd37c5751d2c4dc0d82647b2
[INFO] running `Command { std: "docker" "start" "-a" "5ce27dffbc186f5c4d8620e380fde409bebf4124dd37c5751d2c4dc0d82647b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling time v0.2.1
[INFO] [stderr]    Compiling loop_blocking v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/rustc_output.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![register_tool(c2rust)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/rustc_output.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(main, register_tool)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]  --> src/rustc_output.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[no_mangle]
[INFO] [stdout]   |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 7 |     fn printf(_: *const libc::c_char, _: ...) -> libc::c_int;
[INFO] [stdout]   |     --------------------------------------------------------- foreign function
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]  --> src/rustc_output.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[no_mangle]
[INFO] [stdout]   |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 9 |     fn clock_gettime(__clock_id: clockid_t, __tp: *mut timespec) -> libc::c_int;
[INFO] [stdout]   |     ---------------------------------------------------------------------------- foreign function
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]   --> src/rustc_output.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     #[no_mangle]
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 11 |     fn malloc(_: libc::c_ulong) -> *mut libc::c_void;
[INFO] [stdout]    |     ------------------------------------------------- foreign function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "5ce27dffbc186f5c4d8620e380fde409bebf4124dd37c5751d2c4dc0d82647b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce27dffbc186f5c4d8620e380fde409bebf4124dd37c5751d2c4dc0d82647b2", kill_on_drop: false }`
[INFO] [stdout] 5ce27dffbc186f5c4d8620e380fde409bebf4124dd37c5751d2c4dc0d82647b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4b072ac1104d9fa14cd9d612f476b1012eb1421322faba21ed2a716eb24b2fe
[INFO] running `Command { std: "docker" "start" "-a" "f4b072ac1104d9fa14cd9d612f476b1012eb1421322faba21ed2a716eb24b2fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling loop_blocking v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/rustc_output.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![register_tool(c2rust)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/rustc_output.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(main, register_tool)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]  --> src/rustc_output.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[no_mangle]
[INFO] [stdout]   |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 7 |     fn printf(_: *const libc::c_char, _: ...) -> libc::c_int;
[INFO] [stdout]   |     --------------------------------------------------------- foreign function
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]  --> src/rustc_output.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[no_mangle]
[INFO] [stdout]   |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 9 |     fn clock_gettime(__clock_id: clockid_t, __tp: *mut timespec) -> libc::c_int;
[INFO] [stdout]   |     ---------------------------------------------------------------------------- foreign function
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]   --> src/rustc_output.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     #[no_mangle]
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 11 |     fn malloc(_: libc::c_ulong) -> *mut libc::c_void;
[INFO] [stdout]    |     ------------------------------------------------- foreign function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "f4b072ac1104d9fa14cd9d612f476b1012eb1421322faba21ed2a716eb24b2fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b072ac1104d9fa14cd9d612f476b1012eb1421322faba21ed2a716eb24b2fe", kill_on_drop: false }`
[INFO] [stdout] f4b072ac1104d9fa14cd9d612f476b1012eb1421322faba21ed2a716eb24b2fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac8bc6f87250dc3030093ba58b8ab20eea90e44acdf9d6751ceeb0525e58cf29
[INFO] running `Command { std: "docker" "start" "-a" "ac8bc6f87250dc3030093ba58b8ab20eea90e44acdf9d6751ceeb0525e58cf29", kill_on_drop: false }`
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/rustc_output.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![register_tool(c2rust)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/rustc_output.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(main, register_tool)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stderr]  --> src/rustc_output.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     #[no_mangle]
[INFO] [stderr]   |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stderr] 7 |     fn printf(_: *const libc::c_char, _: ...) -> libc::c_int;
[INFO] [stderr]   |     --------------------------------------------------------- foreign function
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: symbol names in extern blocks are not mangled
[INFO] [stderr] 
[INFO] [stderr] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stderr]  --> src/rustc_output.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     #[no_mangle]
[INFO] [stderr]   |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stderr] 9 |     fn clock_gettime(__clock_id: clockid_t, __tp: *mut timespec) -> libc::c_int;
[INFO] [stderr]   |     ---------------------------------------------------------------------------- foreign function
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: symbol names in extern blocks are not mangled
[INFO] [stderr] 
[INFO] [stderr] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stderr]   --> src/rustc_output.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     #[no_mangle]
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stderr] 11 |     fn malloc(_: libc::c_ulong) -> *mut libc::c_void;
[INFO] [stderr]    |     ------------------------------------------------- foreign function
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: symbol names in extern blocks are not mangled
[INFO] [stderr] 
[INFO] [stderr] warning: `loop_blocking` (bin "loop_blocking" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/loop_blocking-bd197ff7d06ec036)
[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" "ac8bc6f87250dc3030093ba58b8ab20eea90e44acdf9d6751ceeb0525e58cf29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac8bc6f87250dc3030093ba58b8ab20eea90e44acdf9d6751ceeb0525e58cf29", kill_on_drop: false }`
[INFO] [stdout] ac8bc6f87250dc3030093ba58b8ab20eea90e44acdf9d6751ceeb0525e58cf29