[INFO] cloning repository https://github.com/BekaErg/MerkleTree_Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BekaErg/MerkleTree_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBekaErg%2FMerkleTree_Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBekaErg%2FMerkleTree_Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3794a1dc2444bffb1a5f4a6a0039f38ad1b8e443 [INFO] checking BekaErg/MerkleTree_Rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBekaErg%2FMerkleTree_Rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/BekaErg/MerkleTree_Rust 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 git repo https://github.com/BekaErg/MerkleTree_Rust [INFO] finished tweaking git repo https://github.com/BekaErg/MerkleTree_Rust [INFO] tweaked toml for git repo https://github.com/BekaErg/MerkleTree_Rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/BekaErg/MerkleTree_Rust 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: package.harness [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_distr v0.4.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a15d853f6cab10713479825302a422d1b7b4e49f7a1729b93b2eec7b6050ad4d [INFO] running `Command { std: "docker" "start" "-a" "a15d853f6cab10713479825302a422d1b7b4e49f7a1729b93b2eec7b6050ad4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a15d853f6cab10713479825302a422d1b7b4e49f7a1729b93b2eec7b6050ad4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a15d853f6cab10713479825302a422d1b7b4e49f7a1729b93b2eec7b6050ad4d", kill_on_drop: false }` [INFO] [stdout] a15d853f6cab10713479825302a422d1b7b4e49f7a1729b93b2eec7b6050ad4d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ca25e7a2fd99a7ad751e778dd2697a428c5324e3a1855c995914cc9a9d745d8a [INFO] running `Command { std: "docker" "start" "-a" "ca25e7a2fd99a7ad751e778dd2697a428c5324e3a1855c995914cc9a9d745d8a", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: package.harness [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling serde v1.0.133 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.6 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.6 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling serde_json v1.0.74 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Compiling serde_derive v1.0.133 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking crossbeam-channel v0.5.2 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking rand_distr v0.4.2 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking crypto-hash v0.3.4 [INFO] [stderr] Checking merkle v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `add_and_hash` and `hash` are never used [INFO] [stdout] --> src/treenode.rs:246:8 [INFO] [stdout] | [INFO] [stdout] 245 | impl ProofNode { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] 246 | fn add_and_hash(self, vec_to_add: &mut Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 261 | fn hash(self) -> Vec{ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `roothash_from_proof` is never used [INFO] [stdout] --> src/treenode.rs:275:8 [INFO] [stdout] | [INFO] [stdout] 275 | pub fn roothash_from_proof(proof: &mut Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stdout] warning: the item `debug_functions` is imported redundantly [INFO] [stdout] --> src/unit_tests.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `debug_functions` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use debug_functions; [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.63s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "ca25e7a2fd99a7ad751e778dd2697a428c5324e3a1855c995914cc9a9d745d8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca25e7a2fd99a7ad751e778dd2697a428c5324e3a1855c995914cc9a9d745d8a", kill_on_drop: false }` [INFO] [stdout] ca25e7a2fd99a7ad751e778dd2697a428c5324e3a1855c995914cc9a9d745d8a [INFO] checking BekaErg/MerkleTree_Rust against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBekaErg%2FMerkleTree_Rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/BekaErg/MerkleTree_Rust 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 git repo https://github.com/BekaErg/MerkleTree_Rust [INFO] finished tweaking git repo https://github.com/BekaErg/MerkleTree_Rust [INFO] tweaked toml for git repo https://github.com/BekaErg/MerkleTree_Rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/BekaErg/MerkleTree_Rust 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: package.harness [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 48475f963b6ac3123475a7f4b9371c35c9d335e1dcfa0369005d7d4e6dcf062a [INFO] running `Command { std: "docker" "start" "-a" "48475f963b6ac3123475a7f4b9371c35c9d335e1dcfa0369005d7d4e6dcf062a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "48475f963b6ac3123475a7f4b9371c35c9d335e1dcfa0369005d7d4e6dcf062a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48475f963b6ac3123475a7f4b9371c35c9d335e1dcfa0369005d7d4e6dcf062a", kill_on_drop: false }` [INFO] [stdout] 48475f963b6ac3123475a7f4b9371c35c9d335e1dcfa0369005d7d4e6dcf062a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 42a3701d3473776a9dd693bec23f71056daf8841ff843bc80a044bddaa0253ee [INFO] running `Command { std: "docker" "start" "-a" "42a3701d3473776a9dd693bec23f71056daf8841ff843bc80a044bddaa0253ee", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: package.harness [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling serde v1.0.133 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling crossbeam-utils v0.8.6 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling crossbeam-epoch v0.9.6 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Compiling serde_json v1.0.74 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking crossbeam-channel v0.5.2 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling serde_derive v1.0.133 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking rand_distr v0.4.2 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking crypto-hash v0.3.4 [INFO] [stderr] Checking merkle v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `add_and_hash` and `hash` are never used [INFO] [stdout] --> src/treenode.rs:246:8 [INFO] [stdout] | [INFO] [stdout] 245 | impl ProofNode { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] 246 | fn add_and_hash(self, vec_to_add: &mut Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 261 | fn hash(self) -> Vec{ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `roothash_from_proof` is never used [INFO] [stdout] --> src/treenode.rs:275:8 [INFO] [stdout] | [INFO] [stdout] 275 | pub fn roothash_from_proof(proof: &mut Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stdout] warning: the item `debug_functions` is imported redundantly [INFO] [stdout] --> src/unit_tests.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `debug_functions` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use debug_functions; [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.87s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "42a3701d3473776a9dd693bec23f71056daf8841ff843bc80a044bddaa0253ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42a3701d3473776a9dd693bec23f71056daf8841ff843bc80a044bddaa0253ee", kill_on_drop: false }` [INFO] [stdout] 42a3701d3473776a9dd693bec23f71056daf8841ff843bc80a044bddaa0253ee