[INFO] cloning repository https://github.com/PiyushXCoder/tarangam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PiyushXCoder/tarangam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPiyushXCoder%2Ftarangam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPiyushXCoder%2Ftarangam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc46e11e5a4a8428ee97da2bd2149034910ccf25
[INFO] checking PiyushXCoder/tarangam against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPiyushXCoder%2Ftarangam" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PiyushXCoder/tarangam on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PiyushXCoder/tarangam
[INFO] finished tweaking git repo https://github.com/PiyushXCoder/tarangam
[INFO] tweaked toml for git repo https://github.com/PiyushXCoder/tarangam written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/PiyushXCoder/tarangam 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libudev v0.2.0
[INFO] [stderr]   Downloaded gdk-pixbuf v0.15.6
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.15.1
[INFO] [stderr]   Downloaded glib-sys v0.15.6
[INFO] [stderr]   Downloaded pango-sys v0.15.1
[INFO] [stderr]   Downloaded glib-macros v0.15.6
[INFO] [stderr]   Downloaded pango v0.15.6
[INFO] [stderr]   Downloaded cairo-rs v0.15.6
[INFO] [stderr]   Downloaded glib v0.15.6
[INFO] [stderr]   Downloaded nix v0.16.1
[INFO] [stderr]   Downloaded gtk v0.15.4
[INFO] [stderr]   Downloaded gio v0.15.6
[INFO] [stderr]   Downloaded gio-sys v0.15.6
[INFO] [stderr]   Downloaded serialport v4.0.1
[INFO] [stderr]   Downloaded gobject-sys v0.15.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 686c0422e9c531c8f932d45829f0234e77e2290acff533530a9e3b7854ac3819
[INFO] running `Command { std: "docker" "start" "-a" "686c0422e9c531c8f932d45829f0234e77e2290acff533530a9e3b7854ac3819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "686c0422e9c531c8f932d45829f0234e77e2290acff533530a9e3b7854ac3819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "686c0422e9c531c8f932d45829f0234e77e2290acff533530a9e3b7854ac3819", kill_on_drop: false }`
[INFO] [stdout] 686c0422e9c531c8f932d45829f0234e77e2290acff533530a9e3b7854ac3819
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f5d9296ff820d973a810e10df729c3012e3bc474c3313d8a2c1f85b3cb1f10a
[INFO] running `Command { std: "docker" "start" "-a" "6f5d9296ff820d973a810e10df729c3012e3bc474c3313d8a2c1f85b3cb1f10a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling cfg-expr v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling gio v0.15.6
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling gtk v0.15.4
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling system-deps v6.0.2
[INFO] [stderr]     Checking serialport v4.0.1
[INFO] [stderr]    Compiling glib-sys v0.15.6
[INFO] [stderr]    Compiling gobject-sys v0.15.5
[INFO] [stderr]    Compiling gio-sys v0.15.6
[INFO] [stderr]    Compiling cairo-sys-rs v0.15.1
[INFO] [stderr]    Compiling pango-sys v0.15.1
[INFO] [stderr]    Compiling gdk-sys v0.15.1
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling atk-sys v0.15.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.15.1
[INFO] [stderr]    Compiling gtk-sys v0.15.3
[INFO] [stderr]    Compiling glib-macros v0.15.6
[INFO] [stderr]    Compiling gtk3-macros v0.15.4
[INFO] [stderr]     Checking glib v0.15.6
[INFO] [stderr]     Checking pango v0.15.6
[INFO] [stderr]     Checking cairo-rs v0.15.6
[INFO] [stderr]     Checking atk v0.15.1
[INFO] [stderr]     Checking gdk-pixbuf v0.15.6
[INFO] [stderr]     Checking gdk v0.15.4
[INFO] [stderr]     Checking tarangam v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.31s
[INFO] running `Command { std: "docker" "inspect" "6f5d9296ff820d973a810e10df729c3012e3bc474c3313d8a2c1f85b3cb1f10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f5d9296ff820d973a810e10df729c3012e3bc474c3313d8a2c1f85b3cb1f10a", kill_on_drop: false }`
[INFO] [stdout] 6f5d9296ff820d973a810e10df729c3012e3bc474c3313d8a2c1f85b3cb1f10a
[INFO] checking PiyushXCoder/tarangam against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPiyushXCoder%2Ftarangam" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PiyushXCoder/tarangam on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PiyushXCoder/tarangam
[INFO] finished tweaking git repo https://github.com/PiyushXCoder/tarangam
[INFO] tweaked toml for git repo https://github.com/PiyushXCoder/tarangam written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/PiyushXCoder/tarangam 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50178c55b464d9cb1459aa237d5515caef2183f7fc7ca1bde9ee76afc78e245d
[INFO] running `Command { std: "docker" "start" "-a" "50178c55b464d9cb1459aa237d5515caef2183f7fc7ca1bde9ee76afc78e245d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50178c55b464d9cb1459aa237d5515caef2183f7fc7ca1bde9ee76afc78e245d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50178c55b464d9cb1459aa237d5515caef2183f7fc7ca1bde9ee76afc78e245d", kill_on_drop: false }`
[INFO] [stdout] 50178c55b464d9cb1459aa237d5515caef2183f7fc7ca1bde9ee76afc78e245d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddbbace3614029de8a8132f57fdabffdca49f80984aae6c744c60fad02cbe630
[INFO] running `Command { std: "docker" "start" "-a" "ddbbace3614029de8a8132f57fdabffdca49f80984aae6c744c60fad02cbe630", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling cfg-expr v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling gio v0.15.6
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling gtk v0.15.4
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libudev-0.2.0/src/enumerator.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 | /             match self.enumerator.context.device_from_syspath(syspath) {
[INFO] [stdout] 160 | |                 Ok(d) => return Some(d),
[INFO] [stdout] 161 | |                 Err(_) => continue
[INFO] [stdout] 162 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libudev` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.5.1/src/inflate/core.rs:1107:9
[INFO] [stdout]      |
[INFO] [stdout] 1107 | /         match state {
[INFO] [stdout] 1108 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1109 | |                 l.bit_buf = 0;
[INFO] [stdout] 1110 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1639 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1640 | |         };
[INFO] [stdout]      | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `miniz_oxide` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ddbbace3614029de8a8132f57fdabffdca49f80984aae6c744c60fad02cbe630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddbbace3614029de8a8132f57fdabffdca49f80984aae6c744c60fad02cbe630", kill_on_drop: false }`
[INFO] [stdout] ddbbace3614029de8a8132f57fdabffdca49f80984aae6c744c60fad02cbe630