[INFO] fetching crate bsn1 1.0.0...
[INFO] checking bsn1-1.0.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate bsn1 1.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bsn1 1.0.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bsn1 1.0.0
[INFO] finished tweaking crates.io crate bsn1 1.0.0
[INFO] tweaked toml for crates.io crate bsn1 1.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fabff6156dfdfb1de05011967c4431a8dc8e809bd887a600c78bdbe9dff5a286
[INFO] running `Command { std: "docker" "start" "-a" "fabff6156dfdfb1de05011967c4431a8dc8e809bd887a600c78bdbe9dff5a286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fabff6156dfdfb1de05011967c4431a8dc8e809bd887a600c78bdbe9dff5a286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fabff6156dfdfb1de05011967c4431a8dc8e809bd887a600c78bdbe9dff5a286", kill_on_drop: false }`
[INFO] [stdout] fabff6156dfdfb1de05011967c4431a8dc8e809bd887a600c78bdbe9dff5a286
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b6030aaa838119122450833064f8d0781aaf6a17bbda178c4a557f36ce1f876
[INFO] running `Command { std: "docker" "start" "-a" "0b6030aaa838119122450833064f8d0781aaf6a17bbda178c4a557f36ce1f876", kill_on_drop: false }`
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-bigint v0.4.4
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking bsn1 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]   --> src/contents_ref.rs:35:27
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::borrow::{Borrow, ToOwned};
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToOwned` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]   --> src/contents_ref.rs:35:27
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::borrow::{Borrow, ToOwned};
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToOwned` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/ber.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let ptr = ptr as *mut BerRef;
[INFO] [stdout]     |                   ------------------ casting happend here
[INFO] [stdout] 127 |         unsafe { Ok(&mut *ptr) }
[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: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/ber.rs:333:13
[INFO] [stdout]     |
[INFO] [stdout] 332 |             let ptr = ptr as *mut IdRef;
[INFO] [stdout]     |                       ----------------- casting happend here
[INFO] [stdout] 333 |             &mut *ptr
[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] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/ber.rs:403:13
[INFO] [stdout]     |
[INFO] [stdout] 402 |             let ptr = ptr as *mut ContentsRef;
[INFO] [stdout]     |                       ----------------------- casting happend here
[INFO] [stdout] 403 |             &mut *ptr
[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] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/der.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let ptr = ptr as *mut DerRef;
[INFO] [stdout]     |                   ------------------ casting happend here
[INFO] [stdout] 106 |         unsafe { Ok(&mut *ptr) }
[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] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/der.rs:316:18
[INFO] [stdout]     |
[INFO] [stdout] 315 |         let ptr = ptr as *mut IdRef;
[INFO] [stdout]     |                   ----------------- casting happend here
[INFO] [stdout] 316 |         unsafe { &mut *ptr }
[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] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/der.rs:384:18
[INFO] [stdout]     |
[INFO] [stdout] 383 |         let ptr = ptr as *mut ContentsRef;
[INFO] [stdout]     |                   ----------------------- casting happend here
[INFO] [stdout] 384 |         unsafe { &mut *ptr }
[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] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/identifier.rs:224:21
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let ptr = (ret as *const Self) as *mut Self;
[INFO] [stdout]     |                   --------------------------------- casting happend here
[INFO] [stdout] 224 |         unsafe { Ok(&mut *ptr) }
[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] [stdout] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bsn1` (lib) due to 8 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/ber.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let ptr = ptr as *mut BerRef;
[INFO] [stdout]     |                   ------------------ casting happend here
[INFO] [stdout] 127 |         unsafe { Ok(&mut *ptr) }
[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: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/ber.rs:333:13
[INFO] [stdout]     |
[INFO] [stdout] 332 |             let ptr = ptr as *mut IdRef;
[INFO] [stdout]     |                       ----------------- casting happend here
[INFO] [stdout] 333 |             &mut *ptr
[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] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/ber.rs:403:13
[INFO] [stdout]     |
[INFO] [stdout] 402 |             let ptr = ptr as *mut ContentsRef;
[INFO] [stdout]     |                       ----------------------- casting happend here
[INFO] [stdout] 403 |             &mut *ptr
[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] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/der.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let ptr = ptr as *mut DerRef;
[INFO] [stdout]     |                   ------------------ casting happend here
[INFO] [stdout] 106 |         unsafe { Ok(&mut *ptr) }
[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] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/der.rs:316:18
[INFO] [stdout]     |
[INFO] [stdout] 315 |         let ptr = ptr as *mut IdRef;
[INFO] [stdout]     |                   ----------------- casting happend here
[INFO] [stdout] 316 |         unsafe { &mut *ptr }
[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] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/der.rs:384:18
[INFO] [stdout]     |
[INFO] [stdout] 383 |         let ptr = ptr as *mut ContentsRef;
[INFO] [stdout]     |                   ----------------------- casting happend here
[INFO] [stdout] 384 |         unsafe { &mut *ptr }
[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] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/identifier.rs:224:21
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let ptr = (ret as *const Self) as *mut Self;
[INFO] [stdout]     |                   --------------------------------- casting happend here
[INFO] [stdout] 224 |         unsafe { Ok(&mut *ptr) }
[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] [stdout] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bsn1` (lib test) due to 8 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0b6030aaa838119122450833064f8d0781aaf6a17bbda178c4a557f36ce1f876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b6030aaa838119122450833064f8d0781aaf6a17bbda178c4a557f36ce1f876", kill_on_drop: false }`
[INFO] [stdout] 0b6030aaa838119122450833064f8d0781aaf6a17bbda178c4a557f36ce1f876
