[INFO] fetching crate sem 0.1.0...
[INFO] checking sem-0.1.0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate sem 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate sem 0.1.0 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sem 0.1.0
[INFO] finished tweaking crates.io crate sem 0.1.0
[INFO] tweaked toml for crates.io crate sem 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bff4d53d296eb5d3b36df0aa9dd6936561b791545f4389fa0f34be550509facf
[INFO] running `Command { std: "docker" "start" "-a" "bff4d53d296eb5d3b36df0aa9dd6936561b791545f4389fa0f34be550509facf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bff4d53d296eb5d3b36df0aa9dd6936561b791545f4389fa0f34be550509facf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bff4d53d296eb5d3b36df0aa9dd6936561b791545f4389fa0f34be550509facf", kill_on_drop: false }`
[INFO] [stdout] bff4d53d296eb5d3b36df0aa9dd6936561b791545f4389fa0f34be550509facf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afd10fd64f629edba2ad177010aa85fdc07a55cb5f3ae1b3cdf71e30dda1b883
[INFO] running `Command { std: "docker" "start" "-a" "afd10fd64f629edba2ad177010aa85fdc07a55cb5f3ae1b3cdf71e30dda1b883", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking sem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: missing fragment specifier
[INFO] [stdout]    --> src/macros.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |     ($id: expr, $index) => ({
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #40107 <https://github.com/rust-lang/rust/issues/40107>
[INFO] [stdout]     = note: `#[deny(missing_fragment_specifier)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing fragment specifier
[INFO] [stdout]    --> src/macros.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |     ($id: expr, $index) => ({
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #40107 <https://github.com/rust-lang/rust/issues/40107>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/ffi.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | / /// The `C` extern is list of libc functions required
[INFO] [stdout] 59 | | /// by the project.
[INFO] [stdout]    | |___________________^
[INFO] [stdout] ...
[INFO] [stdout] 62 | / extern "C" {
[INFO] [stdout] 63 | |     pub fn ftok(path: *mut i8, id: i32) -> i64;
[INFO] [stdout] 64 | |     pub fn semget(key: u32, nsems: i32, semflg: i32) -> i32;
[INFO] [stdout] 65 | |     pub fn semop(semid: i32, sops: *mut SemBuf, nsops: u64) -> i32;
[INFO] [stdout] 66 | |     pub fn semctl(semid: i32, semnum: i32, cmd: i32, arg: i32) -> i32;
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing fragment specifier
[INFO] [stdout]    --> src/macros.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |     ($id: expr, $index) => ({
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #40107 <https://github.com/rust-lang/rust/issues/40107>
[INFO] [stdout]     = note: `#[deny(missing_fragment_specifier)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing fragment specifier
[INFO] [stdout]    --> src/macros.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |     ($id: expr, $index) => ({
[INFO] [stdout]     |                 ^^^^^^
[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: for more information, see issue #40107 <https://github.com/rust-lang/rust/issues/40107>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/ffi.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | / /// The `C` extern is list of libc functions required
[INFO] [stdout] 59 | | /// by the project.
[INFO] [stdout]    | |___________________^
[INFO] [stdout] ...
[INFO] [stdout] 62 | / extern "C" {
[INFO] [stdout] 63 | |     pub fn ftok(path: *mut i8, id: i32) -> i64;
[INFO] [stdout] 64 | |     pub fn semget(key: u32, nsems: i32, semflg: i32) -> i32;
[INFO] [stdout] 65 | |     pub fn semop(semid: i32, sops: *mut SemBuf, nsops: u64) -> i32;
[INFO] [stdout] 66 | |     pub fn semctl(semid: i32, semnum: i32, cmd: i32, arg: i32) -> i32;
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sem` (lib) due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `sem` (lib test) due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "afd10fd64f629edba2ad177010aa85fdc07a55cb5f3ae1b3cdf71e30dda1b883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afd10fd64f629edba2ad177010aa85fdc07a55cb5f3ae1b3cdf71e30dda1b883", kill_on_drop: false }`
[INFO] [stdout] afd10fd64f629edba2ad177010aa85fdc07a55cb5f3ae1b3cdf71e30dda1b883