[INFO] fetching crate taskpool 0.1.0...
[INFO] testing taskpool-0.1.0 against nightly-2024-10-28 for randomize-layout
[INFO] extracting crate taskpool 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate taskpool 0.1.0 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate taskpool 0.1.0
[INFO] finished tweaking crates.io crate taskpool 0.1.0
[INFO] tweaked toml for crates.io crate taskpool 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34a6d90a7c43c7a126626f81e69c17d72c09e7edce4a966c4ce1027ea468076b
[INFO] running `Command { std: "docker" "start" "-a" "34a6d90a7c43c7a126626f81e69c17d72c09e7edce4a966c4ce1027ea468076b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34a6d90a7c43c7a126626f81e69c17d72c09e7edce4a966c4ce1027ea468076b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a6d90a7c43c7a126626f81e69c17d72c09e7edce4a966c4ce1027ea468076b", kill_on_drop: false }`
[INFO] [stdout] 34a6d90a7c43c7a126626f81e69c17d72c09e7edce4a966c4ce1027ea468076b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5ae96f26ecb241f559a0b53443c4480850b98aab508e639fac5d9b0c47295d5
[INFO] running `Command { std: "docker" "start" "-a" "b5ae96f26ecb241f559a0b53443c4480850b98aab508e639fac5d9b0c47295d5", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling taskpool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `{`
[INFO] [stdout]   --> src/lib.rs:47:22
[INFO] [stdout]    |
[INFO] [stdout] 47 |         spawn(proc() {
[INFO] [stdout]    |                     -^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: missing `,`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]   --> src/lib.rs:65:42
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn execute(&mut self, job: proc(): Send) {
[INFO] [stdout]    |                                          ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `)`, `+`, `,`, `->`, or `::`, found `:`
[INFO] [stdout]   --> src/lib.rs:65:42
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn execute(&mut self, job: proc(): Send) {
[INFO] [stdout]    |                                          ^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          expected one of `!`, `)`, `+`, `,`, `->`, or `::`
[INFO] [stdout]    |                                          help: missing `,`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `{`
[INFO] [stdout]   --> src/lib.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 79 |     spawn(proc() {
[INFO] [stdout]    |                 -^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: missing `,`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `license` in this scope
[INFO] [stdout]  --> src/lib.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![license = "MIT"]
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Sender` in this scope
[INFO] [stdout]   --> src/lib.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     monitor: Sender<MonitorMessage>
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]   --> /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/marker.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named trait `Send` defined here
[INFO] [stdout]    |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 16 |     monitor: Send<MonitorMessage>
[INFO] [stdout]    |              ~~~~
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::sync::mpmc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::sync::mpsc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Died` in this scope
[INFO] [stdout]   --> src/lib.rs:22:39
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let _ = self.monitor.send_opt(Died);
[INFO] [stdout]    |                                       ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]    |
[INFO] [stdout] 8  + use MonitorMessage::Died;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Sender` in this scope
[INFO] [stdout]   --> src/lib.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 |     jobs: Sender<proc(): Send>,
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]   --> /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/marker.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named trait `Send` defined here
[INFO] [stdout]    |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 30 |     jobs: Send<proc(): Send>,
[INFO] [stdout]    |           ~~~~
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::sync::mpmc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::sync::mpsc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Sender` in this scope
[INFO] [stdout]   --> src/lib.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |     monitor: Sender<MonitorMessage>,
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]   --> /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/marker.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named trait `Send` defined here
[INFO] [stdout]    |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 31 |     monitor: Send<MonitorMessage>,
[INFO] [stdout]    |              ~~~~
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::sync::mpmc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::sync::mpsc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/lib.rs:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new(tasks: uint) -> TaskPool {
[INFO] [stdout]    |                       ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `channel` in this scope
[INFO] [stdout]   --> src/lib.rs:37:32
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (job_tx, job_rx) = channel::<proc(): Send>();
[INFO] [stdout]    |                                ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these functions
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::sync::mpmc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::sync::mpsc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `channel` in this scope
[INFO] [stdout]   --> src/lib.rs:39:34
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let (quit_tx, quit_rx) = channel::<MonitorMessage>();
[INFO] [stdout]    |                                  ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these functions
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::sync::mpmc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::sync::mpsc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `spawn` in this scope
[INFO] [stdout]   --> src/lib.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         spawn(proc() {
[INFO] [stdout]    |         ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::thread::spawn;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/lib.rs:57:18
[INFO] [stdout]    |
[INFO] [stdout] 57 |         for _ in range(0, tasks) {
[INFO] [stdout]    |                  ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::slice::range;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `proc` in this scope
[INFO] [stdout]   --> src/lib.rs:65:36
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn execute(&mut self, job: proc(): Send) {
[INFO] [stdout]    |                                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Kill` in this scope
[INFO] [stdout]   --> src/lib.rs:73:27
[INFO] [stdout]    |
[INFO] [stdout] 73 |         self.monitor.send(Kill);
[INFO] [stdout]    |                           ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]    |
[INFO] [stdout] 8  + use MonitorMessage::Kill;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Receiver` in this scope
[INFO] [stdout]   --> src/lib.rs:77:34
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn spawn_in_pool(jobs: Arc<Mutex<Receiver<proc(): Send>>>,
[INFO] [stdout]    |                                  ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::sync::mpmc::Receiver;
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::sync::mpsc::Receiver;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Sender` in this scope
[INFO] [stdout]   --> src/lib.rs:78:27
[INFO] [stdout]    |
[INFO] [stdout] 78 |                  monitor: Sender<MonitorMessage>) {
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout]   --> /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/marker.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named trait `Send` defined here
[INFO] [stdout]    |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 78 |                  monitor: Send<MonitorMessage>) {
[INFO] [stdout]    |                           ~~~~
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::sync::mpmc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::sync::mpsc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `spawn` in this scope
[INFO] [stdout]   --> src/lib.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     spawn(proc() {
[INFO] [stdout]    |     ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::thread::spawn;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: return type notation arguments must be elided with `..`
[INFO] [stdout]   --> src/lib.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 |     jobs: Sender<proc(): Send>,
[INFO] [stdout]    |                      ^^ help: add `..`: `(..)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information
[INFO] [stdout]    = help: add `#![feature(return_type_notation)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-10-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: return type notation arguments must be elided with `..`
[INFO] [stdout]   --> src/lib.rs:37:46
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (job_tx, job_rx) = channel::<proc(): Send>();
[INFO] [stdout]    |                                              ^^ help: add `..`: `(..)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information
[INFO] [stdout]    = help: add `#![feature(return_type_notation)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-10-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: return type notation arguments must be elided with `..`
[INFO] [stdout]   --> src/lib.rs:77:47
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn spawn_in_pool(jobs: Arc<Mutex<Receiver<proc(): Send>>>,
[INFO] [stdout]    |                                               ^^ help: add `..`: `(..)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information
[INFO] [stdout]    = help: add `#![feature(return_type_notation)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-10-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `proc` in this scope
[INFO] [stdout]   --> src/lib.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 |         spawn(proc() {
[INFO] [stdout]    |               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0069]: `return;` in a function whose return type is not `()`
[INFO] [stdout]   --> src/lib.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new(tasks: uint) -> TaskPool {
[INFO] [stdout]    |                                -------- expected `TaskPool` because of this return type
[INFO] [stdout] ...
[INFO] [stdout] 51 |                     Kill => return
[INFO] [stdout]    |                             ^^^^^^ return type is not `()`
[INFO] [stdout]    |
[INFO] [stdout] help: give the `return` a value of the expected type
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     Kill => return /* value */
[INFO] [stdout]    |                                    +++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `proc` in this scope
[INFO] [stdout]   --> src/lib.rs:79:11
[INFO] [stdout]    |
[INFO] [stdout] 79 |     spawn(proc() {
[INFO] [stdout]    |           ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0069, E0412, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0069`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `taskpool` (lib) due to 25 previous errors
[INFO] running `Command { std: "docker" "inspect" "b5ae96f26ecb241f559a0b53443c4480850b98aab508e639fac5d9b0c47295d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ae96f26ecb241f559a0b53443c4480850b98aab508e639fac5d9b0c47295d5", kill_on_drop: false }`
[INFO] [stdout] b5ae96f26ecb241f559a0b53443c4480850b98aab508e639fac5d9b0c47295d5
