[INFO] fetching crate witnet-bn 0.5.1...
[INFO] fixing witnet-bn-0.5.1 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate witnet-bn 0.5.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate witnet-bn 0.5.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate witnet-bn 0.5.1
[INFO] tweaked toml for crates.io crate witnet-bn 0.5.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate witnet-bn 0.5.1 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate witnet-bn 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 61e7a89ceda8ba69c8f89c478c60afe0e77ed47d851b4ed84edf275090a9c4ce
[INFO] running `Command { std: "docker" "start" "61e7a89ceda8ba69c8f89c478c60afe0e77ed47d851b4ed84edf275090a9c4ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "61e7a89ceda8ba69c8f89c478c60afe0e77ed47d851b4ed84edf275090a9c4ce" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61e7a89ceda8ba69c8f89c478c60afe0e77ed47d851b4ed84edf275090a9c4ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "61e7a89ceda8ba69c8f89c478c60afe0e77ed47d851b4ed84edf275090a9c4ce" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking bincode v0.6.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking witnet-bn v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/arith.rs:435:17
[INFO] [stdout]     |
[INFO] [stdout] 435 |     pub fn bits(&self) -> BitIterator {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 435 |     pub fn bits(&self) -> BitIterator<'_> {
[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] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `witnet-bn` (bench "api") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/arith.rs:435:17
[INFO] [stdout]     |
[INFO] [stdout] 435 |     pub fn bits(&self) -> BitIterator {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 435 |     pub fn bits(&self) -> BitIterator<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "61e7a89ceda8ba69c8f89c478c60afe0e77ed47d851b4ed84edf275090a9c4ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e7a89ceda8ba69c8f89c478c60afe0e77ed47d851b4ed84edf275090a9c4ce", kill_on_drop: false }`
[INFO] [stdout] 61e7a89ceda8ba69c8f89c478c60afe0e77ed47d851b4ed84edf275090a9c4ce
