[INFO] cloning repository https://github.com/thor314/parser_play
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thor314/parser_play" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthor314%2Fparser_play", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthor314%2Fparser_play'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05ab71512ebd86054b011b727a9a6d67cb07eb6f
[INFO] checking thor314/parser_play against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthor314%2Fparser_play" "/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/thor314/parser_play 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/thor314/parser_play
[INFO] finished tweaking git repo https://github.com/thor314/parser_play
[INFO] tweaked toml for git repo https://github.com/thor314/parser_play written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/thor314/parser_play 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-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] 6216b69273b0dcea982dd61d4cdaf4392a80f7e16769c8e09b3821de45134699
[INFO] running `Command { std: "docker" "start" "-a" "6216b69273b0dcea982dd61d4cdaf4392a80f7e16769c8e09b3821de45134699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6216b69273b0dcea982dd61d4cdaf4392a80f7e16769c8e09b3821de45134699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6216b69273b0dcea982dd61d4cdaf4392a80f7e16769c8e09b3821de45134699", kill_on_drop: false }`
[INFO] [stdout] 6216b69273b0dcea982dd61d4cdaf4392a80f7e16769c8e09b3821de45134699
[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] d07b2a47af1e3e7ee6ce779af557bfd9d170dcaa7666fbc71972627c0338c44e
[INFO] running `Command { std: "docker" "start" "-a" "d07b2a47af1e3e7ee6ce779af557bfd9d170dcaa7666fbc71972627c0338c44e", kill_on_drop: false }`
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling crossbeam-utils v0.8.9
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking globset v0.4.9
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling chrono-tz-build v0.0.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling chrono-tz v0.6.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking tera v1.16.0
[INFO] [stderr]     Checking parser_play v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.10s
[INFO] running `Command { std: "docker" "inspect" "d07b2a47af1e3e7ee6ce779af557bfd9d170dcaa7666fbc71972627c0338c44e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d07b2a47af1e3e7ee6ce779af557bfd9d170dcaa7666fbc71972627c0338c44e", kill_on_drop: false }`
[INFO] [stdout] d07b2a47af1e3e7ee6ce779af557bfd9d170dcaa7666fbc71972627c0338c44e
[INFO] checking thor314/parser_play against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthor314%2Fparser_play" "/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/thor314/parser_play 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/thor314/parser_play
[INFO] finished tweaking git repo https://github.com/thor314/parser_play
[INFO] tweaked toml for git repo https://github.com/thor314/parser_play written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/thor314/parser_play 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] 3743a5f2d449cda9fdbfb0c0c5106a00fd9d14802ba860b3882012b45438c676
[INFO] running `Command { std: "docker" "start" "-a" "3743a5f2d449cda9fdbfb0c0c5106a00fd9d14802ba860b3882012b45438c676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3743a5f2d449cda9fdbfb0c0c5106a00fd9d14802ba860b3882012b45438c676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3743a5f2d449cda9fdbfb0c0c5106a00fd9d14802ba860b3882012b45438c676", kill_on_drop: false }`
[INFO] [stdout] 3743a5f2d449cda9fdbfb0c0c5106a00fd9d14802ba860b3882012b45438c676
[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] 60bb6a7eaf6aada31c09dc4c1104c1c82604b7ab1ed7914c17c1441ea09f5bf7
[INFO] running `Command { std: "docker" "start" "-a" "60bb6a7eaf6aada31c09dc4c1104c1c82604b7ab1ed7914c17c1441ea09f5bf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.9
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking globset v0.4.9
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling chrono-tz-build v0.0.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling chrono-tz v0.6.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking tera v1.16.0
[INFO] [stderr]     Checking parser_play v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.66s
[INFO] running `Command { std: "docker" "inspect" "60bb6a7eaf6aada31c09dc4c1104c1c82604b7ab1ed7914c17c1441ea09f5bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60bb6a7eaf6aada31c09dc4c1104c1c82604b7ab1ed7914c17c1441ea09f5bf7", kill_on_drop: false }`
[INFO] [stdout] 60bb6a7eaf6aada31c09dc4c1104c1c82604b7ab1ed7914c17c1441ea09f5bf7