[INFO] cloning repository https://github.com/shsms/slippy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shsms/slippy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshsms%2Fslippy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshsms%2Fslippy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36501027d4f1aa03b49844e28d16536341cfea7b
[INFO] checking shsms/slippy against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshsms%2Fslippy" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shsms/slippy 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/shsms/slippy
[INFO] finished tweaking git repo https://github.com/shsms/slippy
[INFO] tweaked toml for git repo https://github.com/shsms/slippy written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shsms/slippy 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 swayipc-async v2.0.1
[INFO] [stderr]   Downloaded swayipc-types v1.3.0
[INFO] [stderr]   Downloaded swayipc v3.0.1
[INFO] [stderr]   Downloaded async-pidfd v0.1.4
[INFO] [stderr]   Downloaded tulisp v0.16.1
[INFO] [stderr]   Downloaded tokio v1.24.2
[INFO] [stderr]   Downloaded tulisp-proc-macros v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2c8aba6ff65e6c4ec5f939b858ebd04375784cc4f62faeedf3646279ff8fc9fa
[INFO] running `Command { std: "docker" "start" "-a" "2c8aba6ff65e6c4ec5f939b858ebd04375784cc4f62faeedf3646279ff8fc9fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c8aba6ff65e6c4ec5f939b858ebd04375784cc4f62faeedf3646279ff8fc9fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8aba6ff65e6c4ec5f939b858ebd04375784cc4f62faeedf3646279ff8fc9fa", kill_on_drop: false }`
[INFO] [stdout] 2c8aba6ff65e6c4ec5f939b858ebd04375784cc4f62faeedf3646279ff8fc9fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5154316fbd3e1c9b37d5958869680d1039de1ba22d3844030a84473db6cf7c61
[INFO] running `Command { std: "docker" "start" "-a" "5154316fbd3e1c9b37d5958869680d1039de1ba22d3844030a84473db6cf7c61", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.83
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling polling v2.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling async-io v1.9.0
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling tokio v1.24.2
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking async-pidfd v0.1.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling futures-macro v0.3.24
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling tulisp-proc-macros v0.4.1
[INFO] [stderr]     Checking tulisp v0.16.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking futures-executor v0.3.24
[INFO] [stderr]     Checking futures v0.3.24
[INFO] [stderr]     Checking swayipc-types v1.3.0
[INFO] [stderr]     Checking swayipc-async v2.0.1
[INFO] [stderr]     Checking swayipc v3.0.1
[INFO] [stderr]     Checking slippy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.07s
[INFO] running `Command { std: "docker" "inspect" "5154316fbd3e1c9b37d5958869680d1039de1ba22d3844030a84473db6cf7c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5154316fbd3e1c9b37d5958869680d1039de1ba22d3844030a84473db6cf7c61", kill_on_drop: false }`
[INFO] [stdout] 5154316fbd3e1c9b37d5958869680d1039de1ba22d3844030a84473db6cf7c61
[INFO] checking shsms/slippy against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshsms%2Fslippy" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shsms/slippy 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/shsms/slippy
[INFO] finished tweaking git repo https://github.com/shsms/slippy
[INFO] tweaked toml for git repo https://github.com/shsms/slippy written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/shsms/slippy 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9b309cfa1c65e0ed920d5274ca57b521ee85a486bf73f5f2884da453d6db6403
[INFO] running `Command { std: "docker" "start" "-a" "9b309cfa1c65e0ed920d5274ca57b521ee85a486bf73f5f2884da453d6db6403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b309cfa1c65e0ed920d5274ca57b521ee85a486bf73f5f2884da453d6db6403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b309cfa1c65e0ed920d5274ca57b521ee85a486bf73f5f2884da453d6db6403", kill_on_drop: false }`
[INFO] [stdout] 9b309cfa1c65e0ed920d5274ca57b521ee85a486bf73f5f2884da453d6db6403
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1725eae51328a9affbe801f3793802bea6d6b697ebdbcd7372b78db688e98d24
[INFO] running `Command { std: "docker" "start" "-a" "1725eae51328a9affbe801f3793802bea6d6b697ebdbcd7372b78db688e98d24", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.83
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling polling v2.3.0
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling async-io v1.9.0
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling tokio v1.24.2
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking async-pidfd v0.1.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling futures-macro v0.3.24
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling tulisp-proc-macros v0.4.1
[INFO] [stderr]     Checking tulisp v0.16.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking futures-executor v0.3.24
[INFO] [stderr]     Checking futures v0.3.24
[INFO] [stderr]     Checking swayipc-types v1.3.0
[INFO] [stderr]     Checking swayipc-async v2.0.1
[INFO] [stderr]     Checking swayipc v3.0.1
[INFO] [stderr]     Checking slippy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.59s
[INFO] running `Command { std: "docker" "inspect" "1725eae51328a9affbe801f3793802bea6d6b697ebdbcd7372b78db688e98d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1725eae51328a9affbe801f3793802bea6d6b697ebdbcd7372b78db688e98d24", kill_on_drop: false }`
[INFO] [stdout] 1725eae51328a9affbe801f3793802bea6d6b697ebdbcd7372b78db688e98d24