[INFO] fetching crate mos-alloc 0.2.0...
[INFO] testing mos-alloc-0.2.0 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate mos-alloc 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate mos-alloc 0.2.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate mos-alloc 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mos-alloc 0.2.0
[INFO] tweaked toml for crates.io crate mos-alloc 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate mos-alloc 0.2.0 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ufmt-macros v0.1.1
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] [stderr]   Downloaded ufmt v0.1.0
[INFO] [stderr]   Downloaded ufmt-stdio v0.2.0
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a50d524f7d049ebc3b11d1339ef8aa3c54a3e2b730e00309675b93284299928
[INFO] running `Command { std: "docker" "start" "-a" "9a50d524f7d049ebc3b11d1339ef8aa3c54a3e2b730e00309675b93284299928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a50d524f7d049ebc3b11d1339ef8aa3c54a3e2b730e00309675b93284299928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a50d524f7d049ebc3b11d1339ef8aa3c54a3e2b730e00309675b93284299928", kill_on_drop: false }`
[INFO] [stdout] 9a50d524f7d049ebc3b11d1339ef8aa3c54a3e2b730e00309675b93284299928
[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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4ec5780359e1a4ef39d19f299c9316769293db896914043932d41a28cf7c05e
[INFO] running `Command { std: "docker" "start" "-a" "e4ec5780359e1a4ef39d19f299c9316769293db896914043932d41a28cf7c05e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mos-alloc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "e4ec5780359e1a4ef39d19f299c9316769293db896914043932d41a28cf7c05e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4ec5780359e1a4ef39d19f299c9316769293db896914043932d41a28cf7c05e", kill_on_drop: false }`
[INFO] [stdout] e4ec5780359e1a4ef39d19f299c9316769293db896914043932d41a28cf7c05e
[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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77a62928de827bc310bd6b311562fa041772d7a8d4fbd2f072e037607da0c054
[INFO] running `Command { std: "docker" "start" "-a" "77a62928de827bc310bd6b311562fa041772d7a8d4fbd2f072e037607da0c054", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling ufmt-macros v0.1.1
[INFO] [stderr]    Compiling ufmt v0.1.0
[INFO] [stderr]    Compiling ufmt-stdio v0.2.0
[INFO] [stderr]    Compiling mos-alloc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> examples/realloc.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(start)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> examples/realloc.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(default_alloc_error_handler)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `default_alloc_error_handler` has been stable since `1.68.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `string::String`
[INFO] [stdout]  --> examples/realloc.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use alloc::{string::String, vec::Vec};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `default_alloc_error_handler` has been stable since 1.68.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/realloc.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(default_alloc_error_handler)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> examples/heap.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(start)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> examples/heap.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(default_alloc_error_handler)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `default_alloc_error_handler` has been stable since `1.68.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library
[INFO] [stdout]   = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `default_alloc_error_handler` has been stable since 1.68.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/heap.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(default_alloc_error_handler)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library
[INFO] [stdout]   = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mos-alloc` (example "heap") due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mos-alloc` (example "realloc") due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "77a62928de827bc310bd6b311562fa041772d7a8d4fbd2f072e037607da0c054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a62928de827bc310bd6b311562fa041772d7a8d4fbd2f072e037607da0c054", kill_on_drop: false }`
[INFO] [stdout] 77a62928de827bc310bd6b311562fa041772d7a8d4fbd2f072e037607da0c054
