[INFO] cloning repository https://github.com/jlyonsmith/rust_cli_quickstart
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jlyonsmith/rust_cli_quickstart" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlyonsmith%2Frust_cli_quickstart", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlyonsmith%2Frust_cli_quickstart'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5aa80416a879fe3262c4851578d46e03325707ac
[INFO] checking jlyonsmith/rust_cli_quickstart against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlyonsmith%2Frust_cli_quickstart" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jlyonsmith/rust_cli_quickstart 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/jlyonsmith/rust_cli_quickstart
[INFO] finished tweaking git repo https://github.com/jlyonsmith/rust_cli_quickstart
[INFO] tweaked toml for git repo https://github.com/jlyonsmith/rust_cli_quickstart written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jlyonsmith/rust_cli_quickstart 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 crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded easy-error v1.0.0
[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] 6c0d869858a2c85f5ff969e657e64a379018632bacc5082b29c2eaa9c6dbaa12
[INFO] running `Command { std: "docker" "start" "-a" "6c0d869858a2c85f5ff969e657e64a379018632bacc5082b29c2eaa9c6dbaa12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c0d869858a2c85f5ff969e657e64a379018632bacc5082b29c2eaa9c6dbaa12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c0d869858a2c85f5ff969e657e64a379018632bacc5082b29c2eaa9c6dbaa12", kill_on_drop: false }`
[INFO] [stdout] 6c0d869858a2c85f5ff969e657e64a379018632bacc5082b29c2eaa9c6dbaa12
[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] f5a37165e4b5153ddc78986de591fc4fc81c53d9e441922c2ecdd52645f03e09
[INFO] running `Command { std: "docker" "start" "-a" "f5a37165e4b5153ddc78986de591fc4fc81c53d9e441922c2ecdd52645f03e09", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking easy-error v1.0.0
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]     Checking regex v1.9.6
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]     Checking rust_cli_quickstart v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `easy_error` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use easy_error::{self, ResultExt};
[INFO] [stdout]   |                  ^^^^ the item `easy_error` is already defined by prelude
[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]     Checking criterion v0.3.6
[INFO] [stdout] warning: the item `easy_error` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use easy_error::{self, ResultExt};
[INFO] [stdout]   |                  ^^^^ the item `easy_error` is already defined by prelude
[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 21.57s
[INFO] running `Command { std: "docker" "inspect" "f5a37165e4b5153ddc78986de591fc4fc81c53d9e441922c2ecdd52645f03e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a37165e4b5153ddc78986de591fc4fc81c53d9e441922c2ecdd52645f03e09", kill_on_drop: false }`
[INFO] [stdout] f5a37165e4b5153ddc78986de591fc4fc81c53d9e441922c2ecdd52645f03e09
[INFO] checking jlyonsmith/rust_cli_quickstart against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlyonsmith%2Frust_cli_quickstart" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jlyonsmith/rust_cli_quickstart 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/jlyonsmith/rust_cli_quickstart
[INFO] finished tweaking git repo https://github.com/jlyonsmith/rust_cli_quickstart
[INFO] tweaked toml for git repo https://github.com/jlyonsmith/rust_cli_quickstart written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jlyonsmith/rust_cli_quickstart 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-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffb6883aef4a4bcc638ef5bd83f176d8584dc4f990c0aeec291ee6a5f14a3d70
[INFO] running `Command { std: "docker" "start" "-a" "ffb6883aef4a4bcc638ef5bd83f176d8584dc4f990c0aeec291ee6a5f14a3d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffb6883aef4a4bcc638ef5bd83f176d8584dc4f990c0aeec291ee6a5f14a3d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb6883aef4a4bcc638ef5bd83f176d8584dc4f990c0aeec291ee6a5f14a3d70", kill_on_drop: false }`
[INFO] [stdout] ffb6883aef4a4bcc638ef5bd83f176d8584dc4f990c0aeec291ee6a5f14a3d70
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5df6fc235ac24ea77b7136d25299a15c5638a9e28a6a7925932451d6c591743a
[INFO] running `Command { std: "docker" "start" "-a" "5df6fc235ac24ea77b7136d25299a15c5638a9e28a6a7925932451d6c591743a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]     Checking easy-error v1.0.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking regex v1.9.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]     Checking rust_cli_quickstart v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `easy_error` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use easy_error::{self, ResultExt};
[INFO] [stdout]   |                  ^^^^ the item `easy_error` is already defined by prelude
[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]     Checking criterion v0.3.6
[INFO] [stdout] warning: the item `easy_error` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use easy_error::{self, ResultExt};
[INFO] [stdout]   |                  ^^^^ the item `easy_error` is already defined by prelude
[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 14.31s
[INFO] running `Command { std: "docker" "inspect" "5df6fc235ac24ea77b7136d25299a15c5638a9e28a6a7925932451d6c591743a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df6fc235ac24ea77b7136d25299a15c5638a9e28a6a7925932451d6c591743a", kill_on_drop: false }`
[INFO] [stdout] 5df6fc235ac24ea77b7136d25299a15c5638a9e28a6a7925932451d6c591743a