[INFO] cloning repository https://github.com/hazzarust/concurrent_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hazzarust/concurrent_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhazzarust%2Fconcurrent_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhazzarust%2Fconcurrent_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8a2d5c849fb51fb3f77b7418dc9121c66045cdb
[INFO] testing hazzarust/concurrent_rust against nightly-2025-01-18+rustflags=-Zrandomize-layout for randomize-layout-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhazzarust%2Fconcurrent_rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hazzarust/concurrent_rust on toolchain nightly-2025-01-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hazzarust/concurrent_rust
[INFO] finished tweaking git repo https://github.com/hazzarust/concurrent_rust
[INFO] tweaked toml for git repo https://github.com/hazzarust/concurrent_rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hazzarust/concurrent_rust 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" "+nightly-2025-01-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69ee65d650c2bfb0723822bd66846d41c40e555f00b18c548b1ccdb6c3cb331e
[INFO] running `Command { std: "docker" "start" "-a" "69ee65d650c2bfb0723822bd66846d41c40e555f00b18c548b1ccdb6c3cb331e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69ee65d650c2bfb0723822bd66846d41c40e555f00b18c548b1ccdb6c3cb331e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ee65d650c2bfb0723822bd66846d41c40e555f00b18c548b1ccdb6c3cb331e", kill_on_drop: false }`
[INFO] [stdout] 69ee65d650c2bfb0723822bd66846d41c40e555f00b18c548b1ccdb6c3cb331e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d7b9f69ec69bb19f377e9a4b4f4c9c6302f5c7876bd2de8297bf679b0a5a8a9
[INFO] running `Command { std: "docker" "start" "-a" "4d7b9f69ec69bb19f377e9a4b4f4c9c6302f5c7876bd2de8297bf679b0a5a8a9", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling atomics v0.1.0 (/opt/rustwide/workdir/atomics)
[INFO] [stderr]    Compiling threads v0.1.0 (/opt/rustwide/workdir/basics)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> basics/src/threads.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `threads::one`
[INFO] [stdout]  --> basics/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use threads::one;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::threads::leak`
[INFO] [stdout]  --> basics/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::threads::leak;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> basics/src/threads.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let y = numbers;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `one` is never used
[INFO] [stdout]  --> basics/src/threads.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn one(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scoped_thread` is never used
[INFO] [stdout]   --> basics/src/threads.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn scoped_thread(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `leak` is never used
[INFO] [stdout]   --> basics/src/threads.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn leak(){
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arc` is never used
[INFO] [stdout]   --> basics/src/threads.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn arc(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "4d7b9f69ec69bb19f377e9a4b4f4c9c6302f5c7876bd2de8297bf679b0a5a8a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d7b9f69ec69bb19f377e9a4b4f4c9c6302f5c7876bd2de8297bf679b0a5a8a9", kill_on_drop: false }`
[INFO] [stdout] 4d7b9f69ec69bb19f377e9a4b4f4c9c6302f5c7876bd2de8297bf679b0a5a8a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c903bf72e0e3ea54fb87cce75fdd4277013edde5ac9e8415091933a0b823b7c
[INFO] running `Command { std: "docker" "start" "-a" "1c903bf72e0e3ea54fb87cce75fdd4277013edde5ac9e8415091933a0b823b7c", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling atomics v0.1.0 (/opt/rustwide/workdir/atomics)
[INFO] [stderr]    Compiling threads v0.1.0 (/opt/rustwide/workdir/basics)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> basics/src/threads.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `threads::one`
[INFO] [stdout]  --> basics/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use threads::one;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::threads::leak`
[INFO] [stdout]  --> basics/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::threads::leak;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> basics/src/threads.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let y = numbers;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `one` is never used
[INFO] [stdout]  --> basics/src/threads.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn one(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scoped_thread` is never used
[INFO] [stdout]   --> basics/src/threads.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn scoped_thread(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `leak` is never used
[INFO] [stdout]   --> basics/src/threads.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn leak(){
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arc` is never used
[INFO] [stdout]   --> basics/src/threads.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn arc(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "1c903bf72e0e3ea54fb87cce75fdd4277013edde5ac9e8415091933a0b823b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c903bf72e0e3ea54fb87cce75fdd4277013edde5ac9e8415091933a0b823b7c", kill_on_drop: false }`
[INFO] [stdout] 1c903bf72e0e3ea54fb87cce75fdd4277013edde5ac9e8415091933a0b823b7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c1967714546560fa29dbbe70e60e8bf60598da5b760b4f3a7266d3b7f767c810
[INFO] running `Command { std: "docker" "start" "-a" "c1967714546560fa29dbbe70e60e8bf60598da5b760b4f3a7266d3b7f767c810", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> basics/src/threads.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `threads::one`
[INFO] [stderr]  --> basics/src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use threads::one;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::threads::leak`
[INFO] [stderr]  --> basics/src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::threads::leak;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> basics/src/threads.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let y = numbers;
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `one` is never used
[INFO] [stderr]  --> basics/src/threads.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn one(){
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `scoped_thread` is never used
[INFO] [stderr]   --> basics/src/threads.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn scoped_thread(){
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `leak` is never used
[INFO] [stderr]   --> basics/src/threads.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn leak(){
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `arc` is never used
[INFO] [stderr]   --> basics/src/threads.rs:73:8
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn arc(){
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `threads` (bin "threads" test) generated 8 warnings (run `cargo fix --bin "threads" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/atomics-bedff978e70c0e5d)
[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/threads-7740bb65e4baef49)
[INFO] [stderr]    Doc-tests atomics
[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] [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" "c1967714546560fa29dbbe70e60e8bf60598da5b760b4f3a7266d3b7f767c810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1967714546560fa29dbbe70e60e8bf60598da5b760b4f3a7266d3b7f767c810", kill_on_drop: false }`
[INFO] [stdout] c1967714546560fa29dbbe70e60e8bf60598da5b760b4f3a7266d3b7f767c810
