[INFO] fetching crate funfun 0.2.4...
[INFO] testing funfun-0.2.4 against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] extracting crate funfun 0.2.4 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate funfun 0.2.4 on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate funfun 0.2.4
[INFO] finished tweaking crates.io crate funfun 0.2.4
[INFO] tweaked toml for crates.io crate funfun 0.2.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 370a91c8ac851d975ff2735effd3aa8c35b69367375d98b9d7a77247be7cd02e
[INFO] running `Command { std: "docker" "start" "-a" "370a91c8ac851d975ff2735effd3aa8c35b69367375d98b9d7a77247be7cd02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "370a91c8ac851d975ff2735effd3aa8c35b69367375d98b9d7a77247be7cd02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "370a91c8ac851d975ff2735effd3aa8c35b69367375d98b9d7a77247be7cd02e", kill_on_drop: false }`
[INFO] [stdout] 370a91c8ac851d975ff2735effd3aa8c35b69367375d98b9d7a77247be7cd02e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b72e722fe8d305cb83d2f8ce9b0dd78ab0ab23c74be8d897a1d53b0f98c5fe7
[INFO] running `Command { std: "docker" "start" "-a" "3b72e722fe8d305cb83d2f8ce9b0dd78ab0ab23c74be8d897a1d53b0f98c5fe7", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling funfun v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "3b72e722fe8d305cb83d2f8ce9b0dd78ab0ab23c74be8d897a1d53b0f98c5fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b72e722fe8d305cb83d2f8ce9b0dd78ab0ab23c74be8d897a1d53b0f98c5fe7", kill_on_drop: false }`
[INFO] [stdout] 3b72e722fe8d305cb83d2f8ce9b0dd78ab0ab23c74be8d897a1d53b0f98c5fe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57796d0b82318348af9c97e2125281b238b4ac6599486ac4ed73761ede4215df
[INFO] running `Command { std: "docker" "start" "-a" "57796d0b82318348af9c97e2125281b238b4ac6599486ac4ed73761ede4215df", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling funfun v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:93:24
[INFO] [stdout]    |
[INFO] [stdout] 93 |         type T = BoxFn<Fn(&str) -> String>;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 93 |         type T = BoxFn<dyn Fn(&str) -> String>;
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:115:24
[INFO] [stdout]     |
[INFO] [stdout] 115 |         type T = ArcFn<Fn(&str) -> String>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 115 |         type T = ArcFn<dyn Fn(&str) -> String>;
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/lib.rs:104:14
[INFO] [stdout]     |
[INFO] [stdout] 104 |             |d: &str| -> String {"reassign once".to_string()}
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/lib.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 |             |d: &str| -> String {"reassign once".to_string()}
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/lib.rs:8:22
[INFO] [stdout]    |
[INFO] [stdout] 8  |     ( $f:expr ) => { Box::new($f) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |         box_fn!(||{println!("Neat!")})();
[INFO] [stdout]    |         ------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_allocation)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `rc` which comes from the expansion of the macro `box_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/lib.rs:8:22
[INFO] [stdout]    |
[INFO] [stdout] 8  |     ( $f:expr ) => { Box::new($f) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         box_fn!(||{wrapped_prim(10)})();
[INFO] [stdout]    |         ----------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `rc` which comes from the expansion of the macro `box_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/lib.rs:8:22
[INFO] [stdout]    |
[INFO] [stdout] 8  |     ( $f:expr ) => { Box::new($f) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |         box_fn!(||{wrapped_vec(vec!["nice", "cool"])})();
[INFO] [stdout]    |         ---------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `rc` which comes from the expansion of the macro `box_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/lib.rs:8:22
[INFO] [stdout]    |
[INFO] [stdout] 8  |     ( $f:expr ) => { Box::new($f) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |         box_fn!(|a: &str|{println!("{}", a)})("Awesome!");
[INFO] [stdout]    |         ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `rc` which comes from the expansion of the macro `box_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/lib.rs:8:22
[INFO] [stdout]    |
[INFO] [stdout] 8  |     ( $f:expr ) => { Box::new($f) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |         box_fn!(|i: u32| {println!("{}", i + 10)})(10);
[INFO] [stdout]    |         ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `rc` which comes from the expansion of the macro `box_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/lib.rs:8:22
[INFO] [stdout]    |
[INFO] [stdout] 8  |     ( $f:expr ) => { Box::new($f) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |         box_fn!(|v: Vec<&str>| { println!("{:?}", v) })(vec!["nice", "cool"]);
[INFO] [stdout]    |         ----------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `rc` which comes from the expansion of the macro `box_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/lib.rs:7:23
[INFO] [stdout]    |
[INFO] [stdout] 7  |     ( $f:ident ) => { Box::new($f) };
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |         box_fn!(wrapped_prim)(10);
[INFO] [stdout]    |         --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `rc` which comes from the expansion of the macro `box_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/lib.rs:7:23
[INFO] [stdout]    |
[INFO] [stdout] 7  |     ( $f:ident ) => { Box::new($f) };
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |         box_fn!(wrapped_vec)(vec!["nice", "cool"])
[INFO] [stdout]    |         -------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `rc` which comes from the expansion of the macro `box_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/lib.rs:7:23
[INFO] [stdout]    |
[INFO] [stdout] 7  |     ( $f:ident ) => { Box::new($f) };
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |         box_fn!(func)("Wow!");
[INFO] [stdout]    |         ------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `rc` which comes from the expansion of the macro `box_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             res.join();
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |             let _ = res.join();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             res.join();
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 165 |             let _ = res.join();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "57796d0b82318348af9c97e2125281b238b4ac6599486ac4ed73761ede4215df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57796d0b82318348af9c97e2125281b238b4ac6599486ac4ed73761ede4215df", kill_on_drop: false }`
[INFO] [stdout] 57796d0b82318348af9c97e2125281b238b4ac6599486ac4ed73761ede4215df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/cc8c037f566c60346dd1585d36e6d925f2fdf352b3f21d1d943ecc3db39c1c9f: no space left on device
