[INFO] crate tralloc 0.1.1 is already in cache
[INFO] checking tralloc-0.1.1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate tralloc 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tralloc 0.1.1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tralloc 0.1.1
[INFO] finished tweaking crates.io crate tralloc 0.1.1
[INFO] tweaked toml for crates.io crate tralloc 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate tralloc 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 13a017aa9c3888fa8c85fefdaab4b60d29d7e64ebd93cf42a7561e22cf03718b
[INFO] running `"docker" "start" "-a" "13a017aa9c3888fa8c85fefdaab4b60d29d7e64ebd93cf42a7561e22cf03718b"`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking tralloc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::alloc::Alloc`
[INFO] [stderr]  --> src/lib.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::alloc::{Alloc, AllocErr, GlobalAlloc, Layout, System};
[INFO] [stderr]   |                  ^^^^^
[INFO] [stderr]   |                  |
[INFO] [stderr]   |                  no `Alloc` in `alloc`
[INFO] [stderr]   |                  help: a similar name exists in the module: `alloc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `null_mut`
[INFO] [stderr]   --> src/lib.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ptr::{null_mut, NonNull};
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::alloc::Alloc`
[INFO] [stderr]  --> src/lib.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::alloc::{Alloc, AllocErr, GlobalAlloc, Layout, System};
[INFO] [stderr]   |                  ^^^^^
[INFO] [stderr]   |                  |
[INFO] [stderr]   |                  no `Alloc` in `alloc`
[INFO] [stderr]   |                  help: a similar name exists in the module: `alloc`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] warning: unused import: `null_mut`
[INFO] [stderr]   --> src/lib.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ptr::{null_mut, NonNull};
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `tralloc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `tralloc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "13a017aa9c3888fa8c85fefdaab4b60d29d7e64ebd93cf42a7561e22cf03718b"`
[INFO] running `"docker" "rm" "-f" "13a017aa9c3888fa8c85fefdaab4b60d29d7e64ebd93cf42a7561e22cf03718b"`
[INFO] [stdout] 13a017aa9c3888fa8c85fefdaab4b60d29d7e64ebd93cf42a7561e22cf03718b