[INFO] cloning repository https://github.com/gui-marc/rust-mbroker [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gui-marc/rust-mbroker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgui-marc%2Frust-mbroker", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgui-marc%2Frust-mbroker'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4290421d741443b7c5d9c45c8874c96d615c0192 [INFO] checking gui-marc/rust-mbroker against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgui-marc%2Frust-mbroker" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gui-marc/rust-mbroker on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gui-marc/rust-mbroker [INFO] finished tweaking git repo https://github.com/gui-marc/rust-mbroker [INFO] tweaked toml for git repo https://github.com/gui-marc/rust-mbroker written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/gui-marc/rust-mbroker 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ctrlc v3.2.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cae4e46337a2836c843f5acba7c74a4a23df12de384f8cd9041070fa681d000e [INFO] running `Command { std: "docker" "start" "-a" "cae4e46337a2836c843f5acba7c74a4a23df12de384f8cd9041070fa681d000e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cae4e46337a2836c843f5acba7c74a4a23df12de384f8cd9041070fa681d000e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cae4e46337a2836c843f5acba7c74a4a23df12de384f8cd9041070fa681d000e", kill_on_drop: false }` [INFO] [stdout] cae4e46337a2836c843f5acba7c74a4a23df12de384f8cd9041070fa681d000e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e396454d469e6f24b1eb95f0cb05250ac5b2f4e7d421d3810ee0e554014ae897 [INFO] running `Command { std: "docker" "start" "-a" "e396454d469e6f24b1eb95f0cb05250ac5b2f4e7d421d3810ee0e554014ae897", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking fastrand v1.8.0 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Checking nix v0.26.2 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking ctrlc v3.2.4 [INFO] [stderr] Checking rust-mbroker v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/named_pipes.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/named_pipes.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/manager.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn run(args: Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/manager.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn run(args: Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/subscriber.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run(args: Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/subscriber.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run(args: Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `head` is never read [INFO] [stdout] --> src/pc_queue.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct ProducerConsumerQueue { [INFO] [stdout] | --------------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 7 | head: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ProducerConsumerQueue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `dequeue` is never used [INFO] [stdout] --> src/pc_queue.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl ProducerConsumerQueue { [INFO] [stdout] | -------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn dequeue(&mut self) -> Result, String> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `head` is never read [INFO] [stdout] --> src/pc_queue.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct ProducerConsumerQueue { [INFO] [stdout] | --------------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 7 | head: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ProducerConsumerQueue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_bytes` is never used [INFO] [stdout] --> src/protocols.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 35 | pub trait IsProtocol { [INFO] [stdout] | ---------- associated function in this trait [INFO] [stdout] 36 | fn from_bytes(bytes: Vec) -> Self; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `register_subscriber` is never used [INFO] [stdout] --> src/protocols.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn register_subscriber(client_named_pipe: String, box_name: String) -> RequestProtocol { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `dequeue` is never used [INFO] [stdout] --> src/pc_queue.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl ProducerConsumerQueue { [INFO] [stdout] | -------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn dequeue(&mut self) -> Result, String> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_bytes` is never used [INFO] [stdout] --> src/protocols.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 35 | pub trait IsProtocol { [INFO] [stdout] | ---------- associated function in this trait [INFO] [stdout] 36 | fn from_bytes(bytes: Vec) -> Self; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `register_subscriber` is never used [INFO] [stdout] --> src/protocols.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn register_subscriber(client_named_pipe: String, box_name: String) -> RequestProtocol { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.13s [INFO] running `Command { std: "docker" "inspect" "e396454d469e6f24b1eb95f0cb05250ac5b2f4e7d421d3810ee0e554014ae897", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e396454d469e6f24b1eb95f0cb05250ac5b2f4e7d421d3810ee0e554014ae897", kill_on_drop: false }` [INFO] [stdout] e396454d469e6f24b1eb95f0cb05250ac5b2f4e7d421d3810ee0e554014ae897 [INFO] checking gui-marc/rust-mbroker against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgui-marc%2Frust-mbroker" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gui-marc/rust-mbroker on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gui-marc/rust-mbroker [INFO] finished tweaking git repo https://github.com/gui-marc/rust-mbroker [INFO] tweaked toml for git repo https://github.com/gui-marc/rust-mbroker written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/gui-marc/rust-mbroker 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b7e611684e1120955ef3e25ca3fc9ceed91b06e22deccf6ecba952c13192c49 [INFO] running `Command { std: "docker" "start" "-a" "9b7e611684e1120955ef3e25ca3fc9ceed91b06e22deccf6ecba952c13192c49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b7e611684e1120955ef3e25ca3fc9ceed91b06e22deccf6ecba952c13192c49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b7e611684e1120955ef3e25ca3fc9ceed91b06e22deccf6ecba952c13192c49", kill_on_drop: false }` [INFO] [stdout] 9b7e611684e1120955ef3e25ca3fc9ceed91b06e22deccf6ecba952c13192c49 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d561241dc02caa7fc6ea9731dc347686142f6d503faa5faafa0ca841f68ac97c [INFO] running `Command { std: "docker" "start" "-a" "d561241dc02caa7fc6ea9731dc347686142f6d503faa5faafa0ca841f68ac97c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking fastrand v1.8.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Checking nix v0.26.2 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking ctrlc v3.2.4 [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ctrlc-3.2.4/src/lib.rs:111:16 [INFO] [stdout] | [INFO] [stdout] 111 | .spawn(move || loop { [INFO] [stdout] | ----- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Send` [INFO] [stdout] note: required by a bound in `Builder::spawn` [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:381:5 [INFO] [stdout] help: try giving this closure an explicit return type [INFO] [stdout] | [INFO] [stdout] 111 ~ .spawn(move || -> /* Type */ { loop { [INFO] [stdout] 112 | unsafe { [INFO] [stdout] ... [INFO] [stdout] 115 | user_handler(); [INFO] [stdout] 116 ~ } }) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ctrlc` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "d561241dc02caa7fc6ea9731dc347686142f6d503faa5faafa0ca841f68ac97c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d561241dc02caa7fc6ea9731dc347686142f6d503faa5faafa0ca841f68ac97c", kill_on_drop: false }` [INFO] [stdout] d561241dc02caa7fc6ea9731dc347686142f6d503faa5faafa0ca841f68ac97c