[INFO] fetching crate ecdh_wrapper 0.0.9... [INFO] checking ecdh_wrapper-0.0.9 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate ecdh_wrapper 0.0.9 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate ecdh_wrapper 0.0.9 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ecdh_wrapper 0.0.9 [INFO] finished tweaking crates.io crate ecdh_wrapper 0.0.9 [INFO] tweaked toml for crates.io crate ecdh_wrapper 0.0.9 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 56 packages [INFO] [stderr] Adding aho-corasick v0.6.10 (latest: v1.1.3) [INFO] [stderr] Adding base64 v0.6.0 (latest: v0.22.0) [INFO] [stderr] Adding base64 v0.10.1 (latest: v0.22.0) [INFO] [stderr] Adding curve25519-dalek v1.2.6 (latest: v4.1.2) [INFO] [stderr] Adding digest v0.8.1 (latest: v0.10.7) [INFO] [stderr] Adding error-chain v0.10.0 (latest: v0.12.4) [INFO] [stderr] Adding generic-array v0.12.4 (latest: v1.0.0) [INFO] [stderr] Adding lazy_static v0.2.11 (latest: v1.4.0) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding pem v0.4.1 (latest: v3.0.3) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding regex v0.2.11 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.5.6 (latest: v0.8.3) [INFO] [stderr] Adding safemem v0.2.0 (latest: v0.3.3) [INFO] [stderr] Adding thread_local v0.3.6 (latest: v1.1.8) [INFO] [stderr] Adding ucd-util v0.1.10 (latest: v0.2.1) [INFO] [stderr] Adding x25519-dalek v0.4.5 (latest: v2.0.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded base64 v0.6.0 [INFO] [stderr] Downloaded pem v0.4.1 [INFO] [stderr] Downloaded clear_on_drop v0.2.5 [INFO] [stderr] Downloaded curve25519-dalek v1.2.6 [INFO] [stderr] Downloaded x25519-dalek v0.4.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0093d460cfce6e96931eb1dfea3c114a7276ef41a92650af0a19dbd310a87c5d [INFO] running `Command { std: "docker" "start" "-a" "0093d460cfce6e96931eb1dfea3c114a7276ef41a92650af0a19dbd310a87c5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0093d460cfce6e96931eb1dfea3c114a7276ef41a92650af0a19dbd310a87c5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0093d460cfce6e96931eb1dfea3c114a7276ef41a92650af0a19dbd310a87c5d", kill_on_drop: false }` [INFO] [stdout] 0093d460cfce6e96931eb1dfea3c114a7276ef41a92650af0a19dbd310a87c5d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7de54e7efc9f85149f89d3bf05b5197bceb39d705666807126d4352cd4407ca3 [INFO] running `Command { std: "docker" "start" "-a" "7de54e7efc9f85149f89d3bf05b5197bceb39d705666807126d4352cd4407ca3", kill_on_drop: false }` [INFO] [stderr] Compiling clear_on_drop v0.2.5 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling subtle v2.5.0 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling curve25519-dalek v1.2.6 [INFO] [stderr] Checking x25519-dalek v0.4.5 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking pem v0.4.1 [INFO] [stderr] Checking ecdh_wrapper v0.0.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:49:32 [INFO] [stdout] | [INFO] [stdout] 49 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 49 | fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Rng` is imported redundantly [INFO] [stdout] --> src/lib.rs:261:22 [INFO] [stdout] | [INFO] [stdout] 260 | use super::*; [INFO] [stdout] | -------- the item `Rng` is already imported here [INFO] [stdout] 261 | use self::rand::{Rng}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:49:32 [INFO] [stdout] | [INFO] [stdout] 49 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 49 | fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.45s [INFO] running `Command { std: "docker" "inspect" "7de54e7efc9f85149f89d3bf05b5197bceb39d705666807126d4352cd4407ca3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7de54e7efc9f85149f89d3bf05b5197bceb39d705666807126d4352cd4407ca3", kill_on_drop: false }` [INFO] [stdout] 7de54e7efc9f85149f89d3bf05b5197bceb39d705666807126d4352cd4407ca3 [INFO] checking ecdh_wrapper-0.0.9 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate ecdh_wrapper 0.0.9 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate ecdh_wrapper 0.0.9 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ecdh_wrapper 0.0.9 [INFO] finished tweaking crates.io crate ecdh_wrapper 0.0.9 [INFO] tweaked toml for crates.io crate ecdh_wrapper 0.0.9 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 53ad209a1663e7ad1b23612983307d7a1c18623ea69a5645da0623839199afff [INFO] running `Command { std: "docker" "start" "-a" "53ad209a1663e7ad1b23612983307d7a1c18623ea69a5645da0623839199afff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "53ad209a1663e7ad1b23612983307d7a1c18623ea69a5645da0623839199afff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53ad209a1663e7ad1b23612983307d7a1c18623ea69a5645da0623839199afff", kill_on_drop: false }` [INFO] [stdout] 53ad209a1663e7ad1b23612983307d7a1c18623ea69a5645da0623839199afff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 121bffb0534e7525dd09c89c91baaa4a47005515f51f98f18e806db6fa7f1c0f [INFO] running `Command { std: "docker" "start" "-a" "121bffb0534e7525dd09c89c91baaa4a47005515f51f98f18e806db6fa7f1c0f", kill_on_drop: false }` [INFO] [stderr] Compiling clear_on_drop v0.2.5 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling subtle v2.5.0 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling curve25519-dalek v1.2.6 [INFO] [stderr] Checking x25519-dalek v0.4.5 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking pem v0.4.1 [INFO] [stderr] Checking ecdh_wrapper v0.0.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:49:32 [INFO] [stdout] | [INFO] [stdout] 49 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 49 | fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Rng` is imported redundantly [INFO] [stdout] --> src/lib.rs:261:22 [INFO] [stdout] | [INFO] [stdout] 260 | use super::*; [INFO] [stdout] | -------- the item `Rng` is already imported here [INFO] [stdout] 261 | use self::rand::{Rng}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:49:32 [INFO] [stdout] | [INFO] [stdout] 49 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 49 | fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.98s [INFO] running `Command { std: "docker" "inspect" "121bffb0534e7525dd09c89c91baaa4a47005515f51f98f18e806db6fa7f1c0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "121bffb0534e7525dd09c89c91baaa4a47005515f51f98f18e806db6fa7f1c0f", kill_on_drop: false }` [INFO] [stdout] 121bffb0534e7525dd09c89c91baaa4a47005515f51f98f18e806db6fa7f1c0f