[INFO] fetching crate bbs 0.4.1... [INFO] checking bbs-0.4.1 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041 [INFO] extracting crate bbs 0.4.1 into /workspace/builds/worker-67/source [INFO] validating manifest of crates.io crate bbs 0.4.1 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bbs 0.4.1 [INFO] finished tweaking crates.io crate bbs 0.4.1 [INFO] tweaked toml for crates.io crate bbs 0.4.1 written to /workspace/builds/worker-67/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 35d0e917834b4b9ff975ce94b2b581947196e77860709e31d0296318174618e6 [INFO] running `Command { std: "docker" "start" "-a" "35d0e917834b4b9ff975ce94b2b581947196e77860709e31d0296318174618e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "35d0e917834b4b9ff975ce94b2b581947196e77860709e31d0296318174618e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35d0e917834b4b9ff975ce94b2b581947196e77860709e31d0296318174618e6", kill_on_drop: false }` [INFO] [stdout] 35d0e917834b4b9ff975ce94b2b581947196e77860709e31d0296318174618e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 39d6b73a74f93e315ae92c10cf75c24539c32fa87fe78e25768c4c3cb41ac9aa [INFO] running `Command { std: "docker" "start" "-a" "39d6b73a74f93e315ae92c10cf75c24539c32fa87fe78e25768c4c3cb41ac9aa", 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] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Checking gimli v0.25.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Checking rustc-demangle v0.1.20 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking arrayref v0.3.6 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_xorshift v0.2.0 [INFO] [stderr] Checking object v0.26.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling backtrace v0.3.61 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking hmac v0.7.1 [INFO] [stderr] Checking blake2 v0.8.1 [INFO] [stderr] Checking hkdf v0.8.0 [INFO] [stderr] Checking addr2line v0.16.0 [INFO] [stderr] Compiling synstructure v0.12.5 [INFO] [stderr] Compiling zeroize_derive v1.1.0 [INFO] [stderr] Compiling ff_derive-zeroize v0.6.2 [INFO] [stderr] Compiling serde_derive v1.0.127 [INFO] [stderr] Checking zeroize v1.4.1 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking ff-zeroize v0.6.3 [INFO] [stderr] Checking pairing-plus v0.19.0 [INFO] [stderr] Checking bbs v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:114:22 [INFO] [stdout] | [INFO] [stdout] 114 | for cause in Fail::iter_chain(&self.inner) { [INFO] [stdout] | ^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 203 | Fail::iter_causes(&err) [INFO] [stdout] | ^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:114:22 [INFO] [stdout] | [INFO] [stdout] 114 | for cause in Fail::iter_chain(&self.inner) { [INFO] [stdout] | ^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 203 | Fail::iter_causes(&err) [INFO] [stdout] | ^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.73s [INFO] running `Command { std: "docker" "inspect" "39d6b73a74f93e315ae92c10cf75c24539c32fa87fe78e25768c4c3cb41ac9aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39d6b73a74f93e315ae92c10cf75c24539c32fa87fe78e25768c4c3cb41ac9aa", kill_on_drop: false }` [INFO] [stdout] 39d6b73a74f93e315ae92c10cf75c24539c32fa87fe78e25768c4c3cb41ac9aa