[INFO] cloning repository https://github.com/eventfully-engineered/southbound
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eventfully-engineered/southbound" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feventfully-engineered%2Fsouthbound", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feventfully-engineered%2Fsouthbound'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d63c6f3b4b28341ae2cdf2a7a74ade07f563780
[INFO] checking eventfully-engineered/southbound against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feventfully-engineered%2Fsouthbound" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eventfully-engineered/southbound 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/eventfully-engineered/southbound
[INFO] finished tweaking git repo https://github.com/eventfully-engineered/southbound
[INFO] tweaked toml for git repo https://github.com/eventfully-engineered/southbound written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/eventfully-engineered/southbound 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]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v3.0.0-rc.8
[INFO] [stderr]   Downloaded clap v3.0.0-rc.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] de227c7f85189f1650fc43d20fd93c2945c623737f335048f4c93aad799b241c
[INFO] running `Command { std: "docker" "start" "-a" "de227c7f85189f1650fc43d20fd93c2945c623737f335048f4c93aad799b241c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de227c7f85189f1650fc43d20fd93c2945c623737f335048f4c93aad799b241c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de227c7f85189f1650fc43d20fd93c2945c623737f335048f4c93aad799b241c", kill_on_drop: false }`
[INFO] [stdout] de227c7f85189f1650fc43d20fd93c2945c623737f335048f4c93aad799b241c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 274d95f4c32d6f43640efc1d3bd32c39eb41234be88cf49134048bac08e260de
[INFO] running `Command { std: "docker" "start" "-a" "274d95f4c32d6f43640efc1d3bd32c39eb41234be88cf49134048bac08e260de", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.3
[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 regex v1.5.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling clap_derive v3.0.0-rc.8
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking clap v3.0.0-rc.8
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking southbound v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ArgMatches`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{ArgMatches, Parser, Subcommand};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArgMatches`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{ArgMatches, Parser, Subcommand};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `clap::App::<'help>::help`: Replaced with `App::override_help`
[INFO] [stdout]   --> src/main.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | #[clap(help = "Prints the details and status information about all the migrations.")]
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let args: Vec<String> = env::args().collect();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `clap::App::<'help>::help`: Replaced with `App::override_help`
[INFO] [stdout]   --> src/main.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | #[clap(help = "Prints the details and status information about all the migrations.")]
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let args: Vec<String> = env::args().collect();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.30s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "274d95f4c32d6f43640efc1d3bd32c39eb41234be88cf49134048bac08e260de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "274d95f4c32d6f43640efc1d3bd32c39eb41234be88cf49134048bac08e260de", kill_on_drop: false }`
[INFO] [stdout] 274d95f4c32d6f43640efc1d3bd32c39eb41234be88cf49134048bac08e260de