[INFO] cloning repository https://github.com/Jakobg1215/filebytes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jakobg1215/filebytes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakobg1215%2Ffilebytes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakobg1215%2Ffilebytes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b6cb3410666b19e66ae3b350e333bfa17d84344
[INFO] checking Jakobg1215/filebytes against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakobg1215%2Ffilebytes" "/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/Jakobg1215/filebytes 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/Jakobg1215/filebytes
[INFO] finished tweaking git repo https://github.com/Jakobg1215/filebytes
[INFO] tweaked toml for git repo https://github.com/Jakobg1215/filebytes written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Jakobg1215/filebytes 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] 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69b3dad61d2a5b0167a8dcc806d7cce2217ef1ad0ba783f3e0fa752e3cecd863
[INFO] running `Command { std: "docker" "start" "-a" "69b3dad61d2a5b0167a8dcc806d7cce2217ef1ad0ba783f3e0fa752e3cecd863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69b3dad61d2a5b0167a8dcc806d7cce2217ef1ad0ba783f3e0fa752e3cecd863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b3dad61d2a5b0167a8dcc806d7cce2217ef1ad0ba783f3e0fa752e3cecd863", kill_on_drop: false }`
[INFO] [stdout] 69b3dad61d2a5b0167a8dcc806d7cce2217ef1ad0ba783f3e0fa752e3cecd863
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d26caf75e6bbb2b33af38a4ccd05a9bc3f5cfc5d39833bf825fd903114e60f27
[INFO] running `Command { std: "docker" "start" "-a" "d26caf75e6bbb2b33af38a4ccd05a9bc3f5cfc5d39833bf825fd903114e60f27", kill_on_drop: false }`
[INFO] [stderr]     Checking filebytes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "d26caf75e6bbb2b33af38a4ccd05a9bc3f5cfc5d39833bf825fd903114e60f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d26caf75e6bbb2b33af38a4ccd05a9bc3f5cfc5d39833bf825fd903114e60f27", kill_on_drop: false }`
[INFO] [stdout] d26caf75e6bbb2b33af38a4ccd05a9bc3f5cfc5d39833bf825fd903114e60f27
[INFO] checking Jakobg1215/filebytes against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakobg1215%2Ffilebytes" "/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/Jakobg1215/filebytes 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/Jakobg1215/filebytes
[INFO] finished tweaking git repo https://github.com/Jakobg1215/filebytes
[INFO] tweaked toml for git repo https://github.com/Jakobg1215/filebytes written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Jakobg1215/filebytes 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-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcaa963b34740b77ae0d0ee49e406276f522020fcae3c3efa43c16772b542670
[INFO] running `Command { std: "docker" "start" "-a" "bcaa963b34740b77ae0d0ee49e406276f522020fcae3c3efa43c16772b542670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcaa963b34740b77ae0d0ee49e406276f522020fcae3c3efa43c16772b542670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcaa963b34740b77ae0d0ee49e406276f522020fcae3c3efa43c16772b542670", kill_on_drop: false }`
[INFO] [stdout] bcaa963b34740b77ae0d0ee49e406276f522020fcae3c3efa43c16772b542670
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdf1e6857b8adc2a489b9532d5bf8c5a6e4460ecb32246d05e58e181c990c869
[INFO] running `Command { std: "docker" "start" "-a" "fdf1e6857b8adc2a489b9532d5bf8c5a6e4460ecb32246d05e58e181c990c869", kill_on_drop: false }`
[INFO] [stderr]     Checking filebytes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | /         match out_file.write_all(byte_string.as_bytes()) {
[INFO] [stdout] 48 | |             Ok(_) => continue,
[INFO] [stdout] 49 | |             Err(_) => return Err("Failed to write to out file!".to_string()),
[INFO] [stdout] 50 | |         };
[INFO] [stdout]    | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | /         match out_file.write_all(byte_string.as_bytes()) {
[INFO] [stdout] 48 | |             Ok(_) => continue,
[INFO] [stdout] 49 | |             Err(_) => return Err("Failed to write to out file!".to_string()),
[INFO] [stdout] 50 | |         };
[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] [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 `filebytes` (bin "filebytes") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `filebytes` (bin "filebytes" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fdf1e6857b8adc2a489b9532d5bf8c5a6e4460ecb32246d05e58e181c990c869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdf1e6857b8adc2a489b9532d5bf8c5a6e4460ecb32246d05e58e181c990c869", kill_on_drop: false }`
[INFO] [stdout] fdf1e6857b8adc2a489b9532d5bf8c5a6e4460ecb32246d05e58e181c990c869