[INFO] fetching crate any-box 0.0.1...
[INFO] checking any-box-0.0.1 against try#2b39fe756f52bc2825bf5b2bfc385cab922dae10 for pr-143011
[INFO] extracting crate any-box 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate any-box 0.0.1
[INFO] finished tweaking crates.io crate any-box 0.0.1
[INFO] tweaked toml for crates.io crate any-box 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate any-box 0.0.1 on toolchain 2b39fe756f52bc2825bf5b2bfc385cab922dae10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding serial_test v0.6.0 (available: v3.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test_derive v0.6.0
[INFO] [stderr]   Downloaded serial_test v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1802efddb5cda334bdbe0afb26ab97d25194a40156133d6d8e5729af65fa2bbf
[INFO] running `Command { std: "docker" "start" "-a" "1802efddb5cda334bdbe0afb26ab97d25194a40156133d6d8e5729af65fa2bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1802efddb5cda334bdbe0afb26ab97d25194a40156133d6d8e5729af65fa2bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1802efddb5cda334bdbe0afb26ab97d25194a40156133d6d8e5729af65fa2bbf", kill_on_drop: false }`
[INFO] [stdout] 1802efddb5cda334bdbe0afb26ab97d25194a40156133d6d8e5729af65fa2bbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bab35f605a2cfe969abe7fd8dc11ad42fad19d850e5fdd3cd18e4abc417edb9
[INFO] running `Command { std: "docker" "start" "-a" "4bab35f605a2cfe969abe7fd8dc11ad42fad19d850e5fdd3cd18e4abc417edb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking any-box v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:108:19
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub struct NoSend(*const u8); // Makes !Send
[INFO] [stdout]     |            ------ ^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: assigning to `&T` is undefined behavior, consider using an `UnsafeCell`
[INFO] [stdout]    --> src/lib.rs:260:17
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 let storage_ptr = mem::transmute(&(*this_ptr).storage[0]);
[INFO] [stdout]     |                                   --------------------------------------- casting happened here
[INFO] [stdout] ...
[INFO] [stdout] 260 |                 std::ptr::write(storage_ptr, item);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]     = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: assigning to `&T` is undefined behavior, consider using an `UnsafeCell`
[INFO] [stdout]    --> src/lib.rs:265:17
[INFO] [stdout]     |
[INFO] [stdout] 264 |                 let storage_ptr = mem::transmute(&(*this_ptr).storage[0]);
[INFO] [stdout]     |                                   --------------------------------------- casting happened here
[INFO] [stdout] 265 |                 std::ptr::write(storage_ptr, item);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr] error: could not compile `any-box` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4bab35f605a2cfe969abe7fd8dc11ad42fad19d850e5fdd3cd18e4abc417edb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bab35f605a2cfe969abe7fd8dc11ad42fad19d850e5fdd3cd18e4abc417edb9", kill_on_drop: false }`
[INFO] [stdout] 4bab35f605a2cfe969abe7fd8dc11ad42fad19d850e5fdd3cd18e4abc417edb9
