[INFO] cloning repository https://github.com/hapejot/try-rs-rfs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hapejot/try-rs-rfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhapejot%2Ftry-rs-rfs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhapejot%2Ftry-rs-rfs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3baa069b09f7571df2083f4baa83694fe18b0857
[INFO] checking hapejot/try-rs-rfs against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhapejot%2Ftry-rs-rfs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hapejot/try-rs-rfs 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/hapejot/try-rs-rfs
[INFO] finished tweaking git repo https://github.com/hapejot/try-rs-rfs
[INFO] tweaked toml for git repo https://github.com/hapejot/try-rs-rfs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hapejot/try-rs-rfs 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]     Updating git repository `https://github.com/hapejot/serde-xdr.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytebuffer v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8789f83837b45ef423b1ab692210eb5e1b7d1c576eaac01c5acdf025943e1c6a
[INFO] running `Command { std: "docker" "start" "-a" "8789f83837b45ef423b1ab692210eb5e1b7d1c576eaac01c5acdf025943e1c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8789f83837b45ef423b1ab692210eb5e1b7d1c576eaac01c5acdf025943e1c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8789f83837b45ef423b1ab692210eb5e1b7d1c576eaac01c5acdf025943e1c6a", kill_on_drop: false }`
[INFO] [stdout] 8789f83837b45ef423b1ab692210eb5e1b7d1c576eaac01c5acdf025943e1c6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 98029b4c808aa5dddcc8e574c09298a3df2619bc41751f065c244631392405fd
[INFO] running `Command { std: "docker" "start" "-a" "98029b4c808aa5dddcc8e574c09298a3df2619bc41751f065c244631392405fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.74
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking bytebuffer v2.2.0
[INFO] [stderr]     Checking anstream v0.6.5
[INFO] [stderr]     Checking clap_builder v4.4.12
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.46
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking clap v4.4.12
[INFO] [stderr]     Checking serde-xdr v0.6.0 (https://github.com/hapejot/serde-xdr.git#10b6caae)
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking rfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.42s
[INFO] running `Command { std: "docker" "inspect" "98029b4c808aa5dddcc8e574c09298a3df2619bc41751f065c244631392405fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98029b4c808aa5dddcc8e574c09298a3df2619bc41751f065c244631392405fd", kill_on_drop: false }`
[INFO] [stdout] 98029b4c808aa5dddcc8e574c09298a3df2619bc41751f065c244631392405fd
[INFO] checking hapejot/try-rs-rfs against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhapejot%2Ftry-rs-rfs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hapejot/try-rs-rfs 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/hapejot/try-rs-rfs
[INFO] finished tweaking git repo https://github.com/hapejot/try-rs-rfs
[INFO] tweaked toml for git repo https://github.com/hapejot/try-rs-rfs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hapejot/try-rs-rfs 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 59769a21ab9c626df46207cb690e6ce9bb898c0b6308c7c08532ac73e34d0b46
[INFO] running `Command { std: "docker" "start" "-a" "59769a21ab9c626df46207cb690e6ce9bb898c0b6308c7c08532ac73e34d0b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59769a21ab9c626df46207cb690e6ce9bb898c0b6308c7c08532ac73e34d0b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59769a21ab9c626df46207cb690e6ce9bb898c0b6308c7c08532ac73e34d0b46", kill_on_drop: false }`
[INFO] [stdout] 59769a21ab9c626df46207cb690e6ce9bb898c0b6308c7c08532ac73e34d0b46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 45d960c40bacbbaae9775e1ac7806b86d637f6acee5752bd60da3f490b358bd7
[INFO] running `Command { std: "docker" "start" "-a" "45d960c40bacbbaae9775e1ac7806b86d637f6acee5752bd60da3f490b358bd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.74
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking bytebuffer v2.2.0
[INFO] [stderr]     Checking anstream v0.6.5
[INFO] [stderr]     Checking clap_builder v4.4.12
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.46
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking clap v4.4.12
[INFO] [stderr]     Checking serde-xdr v0.6.0 (https://github.com/hapejot/serde-xdr.git#10b6caae)
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking rfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.65s
[INFO] running `Command { std: "docker" "inspect" "45d960c40bacbbaae9775e1ac7806b86d637f6acee5752bd60da3f490b358bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d960c40bacbbaae9775e1ac7806b86d637f6acee5752bd60da3f490b358bd7", kill_on_drop: false }`
[INFO] [stdout] 45d960c40bacbbaae9775e1ac7806b86d637f6acee5752bd60da3f490b358bd7