[INFO] cloning repository https://github.com/skycloudd/treeeee
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skycloudd/treeeee" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskycloudd%2Ftreeeee", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskycloudd%2Ftreeeee'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fd92be313ca86152f3a91abb020fbfe5369899b
[INFO] checking skycloudd/treeeee against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskycloudd%2Ftreeeee" "/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/skycloudd/treeeee 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/skycloudd/treeeee
[INFO] finished tweaking git repo https://github.com/skycloudd/treeeee
[INFO] tweaked toml for git repo https://github.com/skycloudd/treeeee written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/skycloudd/treeeee 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] 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] 9a8ea62e2b639691c0048fa4f5b6ba494eed93f494cd096fb7b81057f2a6d605
[INFO] running `Command { std: "docker" "start" "-a" "9a8ea62e2b639691c0048fa4f5b6ba494eed93f494cd096fb7b81057f2a6d605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a8ea62e2b639691c0048fa4f5b6ba494eed93f494cd096fb7b81057f2a6d605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8ea62e2b639691c0048fa4f5b6ba494eed93f494cd096fb7b81057f2a6d605", kill_on_drop: false }`
[INFO] [stdout] 9a8ea62e2b639691c0048fa4f5b6ba494eed93f494cd096fb7b81057f2a6d605
[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] 756062aee582d4210d26124426224d9547789eb1afbb0c05ff110621a63bad55
[INFO] running `Command { std: "docker" "start" "-a" "756062aee582d4210d26124426224d9547789eb1afbb0c05ff110621a63bad55", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking tint v1.0.1
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking owo-colors v4.0.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking ignore v0.4.22
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking ptree v0.4.0
[INFO] [stderr]     Checking treeeee v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.69s
[INFO] running `Command { std: "docker" "inspect" "756062aee582d4210d26124426224d9547789eb1afbb0c05ff110621a63bad55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "756062aee582d4210d26124426224d9547789eb1afbb0c05ff110621a63bad55", kill_on_drop: false }`
[INFO] [stdout] 756062aee582d4210d26124426224d9547789eb1afbb0c05ff110621a63bad55
[INFO] checking skycloudd/treeeee against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskycloudd%2Ftreeeee" "/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/skycloudd/treeeee 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/skycloudd/treeeee
[INFO] finished tweaking git repo https://github.com/skycloudd/treeeee
[INFO] tweaked toml for git repo https://github.com/skycloudd/treeeee written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/skycloudd/treeeee 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-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e34585d69d013151f5c630c43ac1ef8e7274b683799c1c0fcbb085a61f053c9
[INFO] running `Command { std: "docker" "start" "-a" "4e34585d69d013151f5c630c43ac1ef8e7274b683799c1c0fcbb085a61f053c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e34585d69d013151f5c630c43ac1ef8e7274b683799c1c0fcbb085a61f053c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e34585d69d013151f5c630c43ac1ef8e7274b683799c1c0fcbb085a61f053c9", kill_on_drop: false }`
[INFO] [stdout] 4e34585d69d013151f5c630c43ac1ef8e7274b683799c1c0fcbb085a61f053c9
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a80625ad34d64a39294b104220149224ad4d059a4a403528357f04c3919ef2b4
[INFO] running `Command { std: "docker" "start" "-a" "a80625ad34d64a39294b104220149224ad4d059a4a403528357f04c3919ef2b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking tint v1.0.1
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking owo-colors v4.0.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking ignore v0.4.22
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking ptree v0.4.0
[INFO] [stderr]     Checking treeeee v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.23s
[INFO] running `Command { std: "docker" "inspect" "a80625ad34d64a39294b104220149224ad4d059a4a403528357f04c3919ef2b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a80625ad34d64a39294b104220149224ad4d059a4a403528357f04c3919ef2b4", kill_on_drop: false }`
[INFO] [stdout] a80625ad34d64a39294b104220149224ad4d059a4a403528357f04c3919ef2b4