[INFO] fetching crate tralloc 0.1.1...
[INFO] checking tralloc-0.1.1 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate tralloc 0.1.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate tralloc 0.1.1 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-11/source/Cargo.toml
[INFO] crate crates.io crate tralloc 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07d15c40e0637bea953285e57d9e92a8f45b46dd52aa6d84b4bf0d0284c3b396
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "07d15c40e0637bea953285e57d9e92a8f45b46dd52aa6d84b4bf0d0284c3b396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07d15c40e0637bea953285e57d9e92a8f45b46dd52aa6d84b4bf0d0284c3b396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d15c40e0637bea953285e57d9e92a8f45b46dd52aa6d84b4bf0d0284c3b396", kill_on_drop: false }`
[INFO] [stdout] 07d15c40e0637bea953285e57d9e92a8f45b46dd52aa6d84b4bf0d0284c3b396
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab4ad932850ffe6086db9e6779bfccc65052d22c40d447912502f6c2697def6f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ab4ad932850ffe6086db9e6779bfccc65052d22c40d447912502f6c2697def6f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stdout] error[E0432]: unresolved imports `std::alloc::Alloc`, `std::alloc::AllocErr`
[INFO] [stdout]  --> src/lib.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::alloc::{Alloc, AllocErr, GlobalAlloc, Layout, System};
[INFO] [stdout]   |                  ^^^^^  ^^^^^^^^ no `AllocErr` in `alloc`
[INFO] [stdout]   |                  |
[INFO] [stdout]   |                  no `Alloc` in `alloc`
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::alloc::{alloc, AllocErr, GlobalAlloc, Layout, System};
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::alloc::{Alloc, AllocError, GlobalAlloc, Layout, System};
[INFO] [stdout]   |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `null_mut`
[INFO] [stdout]   --> src/lib.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::ptr::{null_mut, NonNull};
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::alloc::Alloc`, `std::alloc::AllocErr`
[INFO] [stdout]  --> src/lib.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::alloc::{Alloc, AllocErr, GlobalAlloc, Layout, System};
[INFO] [stdout]   |                  ^^^^^  ^^^^^^^^ no `AllocErr` in `alloc`
[INFO] [stdout]   |                  |
[INFO] [stdout]   |                  no `Alloc` in `alloc`
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::alloc::{alloc, AllocErr, GlobalAlloc, Layout, System};
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::alloc::{Alloc, AllocError, GlobalAlloc, Layout, System};
[INFO] [stdout]   |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `null_mut`
[INFO] [stdout]   --> src/lib.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::ptr::{null_mut, NonNull};
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "ab4ad932850ffe6086db9e6779bfccc65052d22c40d447912502f6c2697def6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab4ad932850ffe6086db9e6779bfccc65052d22c40d447912502f6c2697def6f", kill_on_drop: false }`
[INFO] [stdout] ab4ad932850ffe6086db9e6779bfccc65052d22c40d447912502f6c2697def6f