[INFO] fetching crate raptorq 1.6.0...
[INFO] testing raptorq-1.6.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate raptorq 1.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate raptorq 1.6.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking crates.io crate raptorq 1.6.0
[INFO] finished tweaking crates.io crate raptorq 1.6.0
[INFO] tweaked toml for crates.io crate raptorq 1.6.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate raptorq 1.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47064d6b6901c2fdb2955b48105318fbdd3d51f70065f0c55dce4ee864f8aef4
[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" "47064d6b6901c2fdb2955b48105318fbdd3d51f70065f0c55dce4ee864f8aef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47064d6b6901c2fdb2955b48105318fbdd3d51f70065f0c55dce4ee864f8aef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47064d6b6901c2fdb2955b48105318fbdd3d51f70065f0c55dce4ee864f8aef4", kill_on_drop: false }`
[INFO] [stdout] 47064d6b6901c2fdb2955b48105318fbdd3d51f70065f0c55dce4ee864f8aef4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86e20b2441e06aaede1824378f49bda728b609cfc4b27288d07fbfc75a8ef8c0
[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" "86e20b2441e06aaede1824378f49bda728b609cfc4b27288d07fbfc75a8ef8c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling raptorq v1.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: mutable references are not allowed in constant functions
[INFO] [stdout]   --> src/octet.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |             result[i][j] = const_mul(i, j << 4);
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #57349 <https://github.com/rust-lang/rust/issues/57349> for more information
[INFO] [stdout]    = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]   --> src/octet.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |             result[i][j] = const_mul(i, j << 4);
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: mutable references are not allowed in constant functions
[INFO] [stdout]   --> src/octet.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |             result[i][j + 16] = const_mul(i, j << 4);
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #57349 <https://github.com/rust-lang/rust/issues/57349> for more information
[INFO] [stdout]    = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]   --> src/octet.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |             result[i][j + 16] = const_mul(i, j << 4);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: mutable references are not allowed in constant functions
[INFO] [stdout]    --> src/octet.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             result[i][j] = const_mul(i, j);
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #57349 <https://github.com/rust-lang/rust/issues/57349> for more information
[INFO] [stdout]     = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    --> src/octet.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             result[i][j] = const_mul(i, j);
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: mutable references are not allowed in constant functions
[INFO] [stdout]    --> src/octet.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             result[i][j + 16] = const_mul(i, j);
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #57349 <https://github.com/rust-lang/rust/issues/57349> for more information
[INFO] [stdout]     = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    --> src/octet.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             result[i][j + 16] = const_mul(i, j);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: mutable references are not allowed in constant functions
[INFO] [stdout]    --> src/octet.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |             result[i][j] = const_mul(i, j);
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #57349 <https://github.com/rust-lang/rust/issues/57349> for more information
[INFO] [stdout]     = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    --> src/octet.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |             result[i][j] = const_mul(i, j);
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0015, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0015`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `raptorq`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "86e20b2441e06aaede1824378f49bda728b609cfc4b27288d07fbfc75a8ef8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e20b2441e06aaede1824378f49bda728b609cfc4b27288d07fbfc75a8ef8c0", kill_on_drop: false }`
[INFO] [stdout] 86e20b2441e06aaede1824378f49bda728b609cfc4b27288d07fbfc75a8ef8c0