[INFO] cloning repository https://github.com/rockit-ba/r_wisckey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rockit-ba/r_wisckey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frockit-ba%2Fr_wisckey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frockit-ba%2Fr_wisckey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08a1919834c631f9988e8876e6506037da750732
[INFO] checking rockit-ba/r_wisckey against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frockit-ba%2Fr_wisckey" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rockit-ba/r_wisckey 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/rockit-ba/r_wisckey
[INFO] finished tweaking git repo https://github.com/rockit-ba/r_wisckey
[INFO] tweaked toml for git repo https://github.com/rockit-ba/r_wisckey written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rockit-ba/r_wisckey 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]     Updating git repository `https://github.com/crossbeam-rs/crossbeam.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustyline-derive v0.5.0
[INFO] [stderr]   Downloaded clipboard-win v4.2.2
[INFO] [stderr]   Downloaded nix v0.22.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3c69f928e15870d22adf557fadb24dc3f39593b4f2f7642120767e74dde574a2
[INFO] running `Command { std: "docker" "start" "-a" "3c69f928e15870d22adf557fadb24dc3f39593b4f2f7642120767e74dde574a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c69f928e15870d22adf557fadb24dc3f39593b4f2f7642120767e74dde574a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c69f928e15870d22adf557fadb24dc3f39593b4f2f7642120767e74dde574a2", kill_on_drop: false }`
[INFO] [stdout] 3c69f928e15870d22adf557fadb24dc3f39593b4f2f7642120767e74dde574a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 08ffc63eaa66ec41cadbf64ee62a4f90b292d0296337b9357789a086019a6df0
[INFO] running `Command { std: "docker" "start" "-a" "08ffc63eaa66ec41cadbf64ee62a4f90b292d0296337b9357789a086019a6df0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5 (https://github.com/crossbeam-rs/crossbeam.git?branch=master#dba57a2c)
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling serde_json v1.0.70
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5 (https://github.com/crossbeam-rs/crossbeam.git?branch=master#dba57a2c)
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling crossbeam-skiplist v0.0.0 (https://github.com/crossbeam-rs/crossbeam.git?branch=master#dba57a2c)
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking fd-lock v3.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling rustyline-derive v0.5.0
[INFO] [stderr]     Checking rustyline v9.0.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking futures-executor v0.3.18
[INFO] [stderr]     Checking futures v0.3.18
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking r_wisckey v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]    --> src/engines/lsm_log_engine/wal_log.rs:461:9
[INFO] [stdout]     |
[INFO] [stdout] 459 |     use super::*;
[INFO] [stdout]     |         -------- the item `Read` is already imported here
[INFO] [stdout] 460 |     use crate::common::fn_util::log_init;
[INFO] [stdout] 461 |     use std::io::Read;
[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 15.30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "08ffc63eaa66ec41cadbf64ee62a4f90b292d0296337b9357789a086019a6df0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ffc63eaa66ec41cadbf64ee62a4f90b292d0296337b9357789a086019a6df0", kill_on_drop: false }`
[INFO] [stdout] 08ffc63eaa66ec41cadbf64ee62a4f90b292d0296337b9357789a086019a6df0
[INFO] checking rockit-ba/r_wisckey against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frockit-ba%2Fr_wisckey" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rockit-ba/r_wisckey on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rockit-ba/r_wisckey
[INFO] finished tweaking git repo https://github.com/rockit-ba/r_wisckey
[INFO] tweaked toml for git repo https://github.com/rockit-ba/r_wisckey written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rockit-ba/r_wisckey 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d95155187f9c015d741c794e3c2b40aa7a6b5d8767543d2da8f5d14eb6ab6a30
[INFO] running `Command { std: "docker" "start" "-a" "d95155187f9c015d741c794e3c2b40aa7a6b5d8767543d2da8f5d14eb6ab6a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d95155187f9c015d741c794e3c2b40aa7a6b5d8767543d2da8f5d14eb6ab6a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d95155187f9c015d741c794e3c2b40aa7a6b5d8767543d2da8f5d14eb6ab6a30", kill_on_drop: false }`
[INFO] [stdout] d95155187f9c015d741c794e3c2b40aa7a6b5d8767543d2da8f5d14eb6ab6a30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4587741c3bb152f918bec597cc68e6e107385122f1ef75355f2602f4ad35d95
[INFO] running `Command { std: "docker" "start" "-a" "c4587741c3bb152f918bec597cc68e6e107385122f1ef75355f2602f4ad35d95", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5 (https://github.com/crossbeam-rs/crossbeam.git?branch=master#dba57a2c)
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling serde_json v1.0.70
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5 (https://github.com/crossbeam-rs/crossbeam.git?branch=master#dba57a2c)
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]    Compiling crossbeam-skiplist v0.0.0 (https://github.com/crossbeam-rs/crossbeam.git?branch=master#dba57a2c)
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking fd-lock v3.0.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling rustyline-derive v0.5.0
[INFO] [stderr]     Checking rustyline v9.0.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking futures-executor v0.3.18
[INFO] [stderr]     Checking futures v0.3.18
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking r_wisckey v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]    --> src/engines/lsm_log_engine/wal_log.rs:461:9
[INFO] [stdout]     |
[INFO] [stdout] 459 |     use super::*;
[INFO] [stdout]     |         -------- the item `Read` is already imported here
[INFO] [stdout] 460 |     use crate::common::fn_util::log_init;
[INFO] [stdout] 461 |     use std::io::Read;
[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 15.16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "c4587741c3bb152f918bec597cc68e6e107385122f1ef75355f2602f4ad35d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4587741c3bb152f918bec597cc68e6e107385122f1ef75355f2602f4ad35d95", kill_on_drop: false }`
[INFO] [stdout] c4587741c3bb152f918bec597cc68e6e107385122f1ef75355f2602f4ad35d95