[INFO] cloning repository https://github.com/allanger/dumb-downloader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/allanger/dumb-downloader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallanger%2Fdumb-downloader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallanger%2Fdumb-downloader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48fe4ba3964f5f9f1fb940566d644b85510b828c
[INFO] checking allanger/dumb-downloader against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallanger%2Fdumb-downloader" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/allanger/dumb-downloader 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/allanger/dumb-downloader
[INFO] finished tweaking git repo https://github.com/allanger/dumb-downloader
[INFO] tweaked toml for git repo https://github.com/allanger/dumb-downloader written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/allanger/dumb-downloader 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 hermit-abi v0.3.8
[INFO] [stderr]   Downloaded serde_yaml v0.9.32
[INFO] [stderr]   Downloaded handlebars v5.1.0
[INFO] [stderr]   Downloaded syn v2.0.51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 64f70486b0c207053452e71cbff1987943957d2da2582c37d126f083484166c2
[INFO] running `Command { std: "docker" "start" "-a" "64f70486b0c207053452e71cbff1987943957d2da2582c37d126f083484166c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64f70486b0c207053452e71cbff1987943957d2da2582c37d126f083484166c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f70486b0c207053452e71cbff1987943957d2da2582c37d126f083484166c2", kill_on_drop: false }`
[INFO] [stdout] 64f70486b0c207053452e71cbff1987943957d2da2582c37d126f083484166c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 11bcbb1b47cfe8a24885f39d2fa781462147b4baddb924f3e2b4a91648394c46
[INFO] running `Command { std: "docker" "start" "-a" "11bcbb1b47cfe8a24885f39d2fa781462147b4baddb924f3e2b4a91648394c46", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]    Compiling syn v2.0.51
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking anstream v0.6.12
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking unsafe-libyaml v0.2.10
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking clap_builder v4.5.1
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.2
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]    Compiling pest v2.7.7
[INFO] [stderr]     Checking h2 v0.3.24
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking clap v4.5.1
[INFO] [stderr]    Compiling pest_meta v2.7.7
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling pest_generator v2.7.7
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]    Compiling pest_derive v2.7.7
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_yaml v0.9.32
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking handlebars v5.1.0
[INFO] [stderr]     Checking reqwest v0.11.24
[INFO] [stderr]     Checking dudo v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:232:57
[INFO] [stdout]     |
[INFO] [stdout] 232 |         let config = parse_config(path.to_str().unwrap().clone().to_string()).unwrap();
[INFO] [stdout]     |                                                         ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` 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 24.92s
[INFO] running `Command { std: "docker" "inspect" "11bcbb1b47cfe8a24885f39d2fa781462147b4baddb924f3e2b4a91648394c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11bcbb1b47cfe8a24885f39d2fa781462147b4baddb924f3e2b4a91648394c46", kill_on_drop: false }`
[INFO] [stdout] 11bcbb1b47cfe8a24885f39d2fa781462147b4baddb924f3e2b4a91648394c46
[INFO] checking allanger/dumb-downloader against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallanger%2Fdumb-downloader" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/allanger/dumb-downloader 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/allanger/dumb-downloader
[INFO] finished tweaking git repo https://github.com/allanger/dumb-downloader
[INFO] tweaked toml for git repo https://github.com/allanger/dumb-downloader written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/allanger/dumb-downloader 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a13737172195807af50fdcf6d15f3d5f4001397799ee441d79572f03f1e69019
[INFO] running `Command { std: "docker" "start" "-a" "a13737172195807af50fdcf6d15f3d5f4001397799ee441d79572f03f1e69019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a13737172195807af50fdcf6d15f3d5f4001397799ee441d79572f03f1e69019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13737172195807af50fdcf6d15f3d5f4001397799ee441d79572f03f1e69019", kill_on_drop: false }`
[INFO] [stdout] a13737172195807af50fdcf6d15f3d5f4001397799ee441d79572f03f1e69019
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c95c2c0b39a0288fa53699719a8b6071833e90d2a038310c3fdd0ff9aedeb453
[INFO] running `Command { std: "docker" "start" "-a" "c95c2c0b39a0288fa53699719a8b6071833e90d2a038310c3fdd0ff9aedeb453", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling syn v2.0.51
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking anstream v0.6.12
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.10
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking clap_builder v4.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]    Compiling pest v2.7.7
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.2
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking h2 v0.3.24
[INFO] [stderr]     Checking clap v4.5.1
[INFO] [stderr]    Compiling pest_meta v2.7.7
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]    Compiling pest_generator v2.7.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling pest_derive v2.7.7
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_yaml v0.9.32
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking handlebars v5.1.0
[INFO] [stderr]     Checking reqwest v0.11.24
[INFO] [stderr]     Checking dudo v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:232:57
[INFO] [stdout]     |
[INFO] [stdout] 232 |         let config = parse_config(path.to_str().unwrap().clone().to_string()).unwrap();
[INFO] [stdout]     |                                                         ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` 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 27.53s
[INFO] running `Command { std: "docker" "inspect" "c95c2c0b39a0288fa53699719a8b6071833e90d2a038310c3fdd0ff9aedeb453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c95c2c0b39a0288fa53699719a8b6071833e90d2a038310c3fdd0ff9aedeb453", kill_on_drop: false }`
[INFO] [stdout] c95c2c0b39a0288fa53699719a8b6071833e90d2a038310c3fdd0ff9aedeb453