[INFO] fetching crate mos-alloc 0.2.0... [INFO] checking mos-alloc-0.2.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate mos-alloc 0.2.0 into /workspace/builds/worker-7-tc2/source [INFO] removed /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mos-alloc 0.2.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 360ab317469cae5abafbddc1de3e5e74eab350e9860b9ea9745ef8484af1b2d3 [INFO] running `Command { std: "docker" "start" "-a" "360ab317469cae5abafbddc1de3e5e74eab350e9860b9ea9745ef8484af1b2d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "360ab317469cae5abafbddc1de3e5e74eab350e9860b9ea9745ef8484af1b2d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "360ab317469cae5abafbddc1de3e5e74eab350e9860b9ea9745ef8484af1b2d3", kill_on_drop: false }` [INFO] [stdout] 360ab317469cae5abafbddc1de3e5e74eab350e9860b9ea9745ef8484af1b2d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 845d7cd56f422cbc01306c07f2bafeb4deed776c5a579744da141b148bb865c4 [INFO] running `Command { std: "docker" "start" "-a" "845d7cd56f422cbc01306c07f2bafeb4deed776c5a579744da141b148bb865c4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Checking ufmt-write v0.1.0 [INFO] [stderr] Checking mos-alloc v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling ufmt-macros v0.1.1 [INFO] [stderr] Checking ufmt v0.1.0 [INFO] [stderr] Checking ufmt-stdio v0.2.0 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> examples/heap.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(start)] [INFO] [stdout] | ^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.86.0; see for more information [INFO] [stdout] = note: not portable enough and never RFC'd [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> examples/realloc.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(start)] [INFO] [stdout] | ^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.86.0; see for more information [INFO] [stdout] = note: not portable enough and never RFC'd [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `start` in this scope [INFO] [stdout] --> examples/realloc.rs:22:3 [INFO] [stdout] | [INFO] [stdout] 22 | #[start] [INFO] [stdout] | ^^^^^ [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] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [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[E0580]: `main` function has wrong type [INFO] [stdout] --> examples/realloc.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 23 | fn main(_argc: isize, _argv: *const *const u8) -> isize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ incorrect number of function parameters [INFO] [stdout] | [INFO] [stdout] = note: expected signature `fn() -> ()` [INFO] [stdout] found signature `fn(isize, *const *const u8) -> isize` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vec` [INFO] [stdout] --> examples/realloc.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | let vec = DATA [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_vec` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0557, E0580. [INFO] [stdout] [INFO] [stderr] error: could not compile `mos-alloc` (example "realloc") due to 4 previous errors; 3 warnings emitted [INFO] [stdout] For more information about an error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: cannot find attribute `start` in this scope [INFO] [stdout] --> examples/heap.rs:20:3 [INFO] [stdout] | [INFO] [stdout] 20 | #[start] [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [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[E0580]: `main` function has wrong type [INFO] [stdout] --> examples/heap.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | fn main(_argc: isize, _argv: *const *const u8) -> isize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ incorrect number of function parameters [INFO] [stdout] | [INFO] [stdout] = note: expected signature `fn() -> ()` [INFO] [stdout] found signature `fn(isize, *const *const u8) -> isize` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0557, E0580. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mos-alloc` (example "heap") due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "845d7cd56f422cbc01306c07f2bafeb4deed776c5a579744da141b148bb865c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "845d7cd56f422cbc01306c07f2bafeb4deed776c5a579744da141b148bb865c4", kill_on_drop: false }` [INFO] [stdout] 845d7cd56f422cbc01306c07f2bafeb4deed776c5a579744da141b148bb865c4