[INFO] cloning repository https://github.com/IsotoxalDev/memtech
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IsotoxalDev/memtech" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsotoxalDev%2Fmemtech", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsotoxalDev%2Fmemtech'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4735bbc4c460327e78e4e185dc11d2a5e54ae6b
[INFO] checking IsotoxalDev/memtech against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsotoxalDev%2Fmemtech" "/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/IsotoxalDev/memtech 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/IsotoxalDev/memtech
[INFO] finished tweaking git repo https://github.com/IsotoxalDev/memtech
[INFO] tweaked toml for git repo https://github.com/IsotoxalDev/memtech written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/IsotoxalDev/memtech 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 fd-lock v3.0.10
[INFO] [stderr]   Downloaded rustyline v11.0.0
[INFO] [stderr]   Downloaded crossterm v0.26.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.51
[INFO] [stderr]   Downloaded quote v1.0.23
[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] 2fc959985514557cd2a0276ef88c2a7e2ccf91a791ff5ccb96ddb1ced27c343b
[INFO] running `Command { std: "docker" "start" "-a" "2fc959985514557cd2a0276ef88c2a7e2ccf91a791ff5ccb96ddb1ced27c343b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fc959985514557cd2a0276ef88c2a7e2ccf91a791ff5ccb96ddb1ced27c343b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc959985514557cd2a0276ef88c2a7e2ccf91a791ff5ccb96ddb1ced27c343b", kill_on_drop: false }`
[INFO] [stdout] 2fc959985514557cd2a0276ef88c2a7e2ccf91a791ff5ccb96ddb1ced27c343b
[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] 308bc2ba99f50f7ca99a4dbf5b94b1d62ddcbaf54b041e88ce7cfa6c96432bff
[INFO] running `Command { std: "docker" "start" "-a" "308bc2ba99f50f7ca99a4dbf5b94b1d62ddcbaf54b041e88ce7cfa6c96432bff", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking crossterm v0.26.0
[INFO] [stderr]     Checking fd-lock v3.0.10
[INFO] [stderr]     Checking rustyline v11.0.0
[INFO] [stderr]     Checking memtech v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.68s
[INFO] running `Command { std: "docker" "inspect" "308bc2ba99f50f7ca99a4dbf5b94b1d62ddcbaf54b041e88ce7cfa6c96432bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "308bc2ba99f50f7ca99a4dbf5b94b1d62ddcbaf54b041e88ce7cfa6c96432bff", kill_on_drop: false }`
[INFO] [stdout] 308bc2ba99f50f7ca99a4dbf5b94b1d62ddcbaf54b041e88ce7cfa6c96432bff
[INFO] checking IsotoxalDev/memtech against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsotoxalDev%2Fmemtech" "/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/IsotoxalDev/memtech 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/IsotoxalDev/memtech
[INFO] finished tweaking git repo https://github.com/IsotoxalDev/memtech
[INFO] tweaked toml for git repo https://github.com/IsotoxalDev/memtech written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/IsotoxalDev/memtech 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] aa0b0531b8bdd59efbf031fbfc3b6895dabf560729fae89b7d402dbd8dc730ac
[INFO] running `Command { std: "docker" "start" "-a" "aa0b0531b8bdd59efbf031fbfc3b6895dabf560729fae89b7d402dbd8dc730ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa0b0531b8bdd59efbf031fbfc3b6895dabf560729fae89b7d402dbd8dc730ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0b0531b8bdd59efbf031fbfc3b6895dabf560729fae89b7d402dbd8dc730ac", kill_on_drop: false }`
[INFO] [stdout] aa0b0531b8bdd59efbf031fbfc3b6895dabf560729fae89b7d402dbd8dc730ac
[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] 64c5109759b56cc1171ffe88460cd3feca68ea2b14b3a05ed05a1c5b47e5bb1b
[INFO] running `Command { std: "docker" "start" "-a" "64c5109759b56cc1171ffe88460cd3feca68ea2b14b3a05ed05a1c5b47e5bb1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking crossterm v0.26.0
[INFO] [stderr]     Checking fd-lock v3.0.10
[INFO] [stderr]     Checking rustyline v11.0.0
[INFO] [stderr]     Checking memtech v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.61s
[INFO] running `Command { std: "docker" "inspect" "64c5109759b56cc1171ffe88460cd3feca68ea2b14b3a05ed05a1c5b47e5bb1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c5109759b56cc1171ffe88460cd3feca68ea2b14b3a05ed05a1c5b47e5bb1b", kill_on_drop: false }`
[INFO] [stdout] 64c5109759b56cc1171ffe88460cd3feca68ea2b14b3a05ed05a1c5b47e5bb1b