[INFO] fetching crate substrate-bn 0.5.0...
[INFO] checking substrate-bn-0.5.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate substrate-bn 0.5.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate substrate-bn 0.5.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-bn 0.5.0
[INFO] finished tweaking crates.io crate substrate-bn 0.5.0
[INFO] tweaked toml for crates.io crate substrate-bn 0.5.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate substrate-bn 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bebf7f77dcd9fb22f8f33e11d3065e35d5ded32a4a893dfe17a7af69c6dcc22
[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" "3bebf7f77dcd9fb22f8f33e11d3065e35d5ded32a4a893dfe17a7af69c6dcc22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bebf7f77dcd9fb22f8f33e11d3065e35d5ded32a4a893dfe17a7af69c6dcc22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bebf7f77dcd9fb22f8f33e11d3065e35d5ded32a4a893dfe17a7af69c6dcc22", kill_on_drop: false }`
[INFO] [stdout] 3bebf7f77dcd9fb22f8f33e11d3065e35d5ded32a4a893dfe17a7af69c6dcc22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b054fa0b60c5b258b0fccbcf9d84b9c49d1601a032e109929eb286ba3ccd1cf
[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" "7b054fa0b60c5b258b0fccbcf9d84b9c49d1601a032e109929eb286ba3ccd1cf", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking bincode v0.6.1
[INFO] [stderr]     Checking substrate-bn v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/lib.rs:25:64
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/lib.rs:25:48
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:135:64
[INFO] [stdout]     |
[INFO] [stdout] 135 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:135:48
[INFO] [stdout]     |
[INFO] [stdout] 135 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:333:64
[INFO] [stdout]     |
[INFO] [stdout] 333 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:333:48
[INFO] [stdout]     |
[INFO] [stdout] 333 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:445:64
[INFO] [stdout]     |
[INFO] [stdout] 445 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:445:48
[INFO] [stdout]     |
[INFO] [stdout] 445 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:482:64
[INFO] [stdout]     |
[INFO] [stdout] 482 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:482:48
[INFO] [stdout]     |
[INFO] [stdout] 482 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:649:64
[INFO] [stdout]     |
[INFO] [stdout] 649 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:649:48
[INFO] [stdout]     |
[INFO] [stdout] 649 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/lib.rs:25:64
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/lib.rs:25:48
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:135:64
[INFO] [stdout]     |
[INFO] [stdout] 135 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:135:48
[INFO] [stdout]     |
[INFO] [stdout] 135 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:333:64
[INFO] [stdout]     |
[INFO] [stdout] 333 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:333:48
[INFO] [stdout]     |
[INFO] [stdout] 333 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:445:64
[INFO] [stdout]     |
[INFO] [stdout] 445 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:445:48
[INFO] [stdout]     |
[INFO] [stdout] 445 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:482:64
[INFO] [stdout]     |
[INFO] [stdout] 482 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:482:48
[INFO] [stdout]     |
[INFO] [stdout] 482 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:649:64
[INFO] [stdout]     |
[INFO] [stdout] 649 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:649:48
[INFO] [stdout]     |
[INFO] [stdout] 649 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `bn`
[INFO] [stdout]  --> benches/api.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate bn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `bn`
[INFO] [stdout]  --> examples/joux.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate bn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `substrate-bn`
[INFO] [stdout] error[E0463]: can't find crate for `bn`
[INFO] [stdout]  --> examples/dh.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate bn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `bn`
[INFO] [stdout]  --> tests/serialization.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate bn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7b054fa0b60c5b258b0fccbcf9d84b9c49d1601a032e109929eb286ba3ccd1cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b054fa0b60c5b258b0fccbcf9d84b9c49d1601a032e109929eb286ba3ccd1cf", kill_on_drop: false }`
[INFO] [stdout] 7b054fa0b60c5b258b0fccbcf9d84b9c49d1601a032e109929eb286ba3ccd1cf