[INFO] cloning repository https://github.com/meQlause/HackAssembler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meQlause/HackAssembler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmeQlause%2FHackAssembler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmeQlause%2FHackAssembler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e1172203ade57c771c6c40cda81c377e8ffd83c
[INFO] checking meQlause/HackAssembler against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmeQlause%2FHackAssembler" "/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/meQlause/HackAssembler 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/meQlause/HackAssembler
[INFO] finished tweaking git repo https://github.com/meQlause/HackAssembler
[INFO] tweaked toml for git repo https://github.com/meQlause/HackAssembler written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/meQlause/HackAssembler 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-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] 4134b339f579509ce6b61a94394794bf9081fece405370b2701efa96c3187139
[INFO] running `Command { std: "docker" "start" "-a" "4134b339f579509ce6b61a94394794bf9081fece405370b2701efa96c3187139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4134b339f579509ce6b61a94394794bf9081fece405370b2701efa96c3187139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4134b339f579509ce6b61a94394794bf9081fece405370b2701efa96c3187139", kill_on_drop: false }`
[INFO] [stdout] 4134b339f579509ce6b61a94394794bf9081fece405370b2701efa96c3187139
[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] f5859f65978d1edaa81ce9a10505ccd2fb183381361ff59455b4367e6b4a029d
[INFO] running `Command { std: "docker" "start" "-a" "f5859f65978d1edaa81ce9a10505ccd2fb183381361ff59455b4367e6b4a029d", kill_on_drop: false }`
[INFO] [stderr]     Checking hack_assembler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/table.rs:116:51
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let mut new_parser = parser.file.get_ref().clone();
[INFO] [stdout]     |                                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `File` does not implement `Clone`, so calling `clone` on `&File` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 116 -         let mut new_parser = parser.file.get_ref().clone();
[INFO] [stdout] 116 +         let mut new_parser = parser.file.get_ref();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/table.rs:116:51
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let mut new_parser = parser.file.get_ref().clone();
[INFO] [stdout]     |                                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `File` does not implement `Clone`, so calling `clone` on `&File` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 116 -         let mut new_parser = parser.file.get_ref().clone();
[INFO] [stdout] 116 +         let mut new_parser = parser.file.get_ref();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "f5859f65978d1edaa81ce9a10505ccd2fb183381361ff59455b4367e6b4a029d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5859f65978d1edaa81ce9a10505ccd2fb183381361ff59455b4367e6b4a029d", kill_on_drop: false }`
[INFO] [stdout] f5859f65978d1edaa81ce9a10505ccd2fb183381361ff59455b4367e6b4a029d
[INFO] checking meQlause/HackAssembler against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmeQlause%2FHackAssembler" "/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/meQlause/HackAssembler 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/meQlause/HackAssembler
[INFO] finished tweaking git repo https://github.com/meQlause/HackAssembler
[INFO] tweaked toml for git repo https://github.com/meQlause/HackAssembler written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/meQlause/HackAssembler 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] 27c81b772c0bef388add74bfdf1fd3a13111fbb8aad71d6c00a7a0bc7b96b0fb
[INFO] running `Command { std: "docker" "start" "-a" "27c81b772c0bef388add74bfdf1fd3a13111fbb8aad71d6c00a7a0bc7b96b0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27c81b772c0bef388add74bfdf1fd3a13111fbb8aad71d6c00a7a0bc7b96b0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c81b772c0bef388add74bfdf1fd3a13111fbb8aad71d6c00a7a0bc7b96b0fb", kill_on_drop: false }`
[INFO] [stdout] 27c81b772c0bef388add74bfdf1fd3a13111fbb8aad71d6c00a7a0bc7b96b0fb
[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] 7390eeea23bb40a22d58664ab3be72ce36b047b56d2e4519e321000658cbc0b4
[INFO] running `Command { std: "docker" "start" "-a" "7390eeea23bb40a22d58664ab3be72ce36b047b56d2e4519e321000658cbc0b4", kill_on_drop: false }`
[INFO] [stderr]     Checking hack_assembler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/parser.rs:77:13
[INFO] [stdout]     |
[INFO] [stdout] 77  | /             if bytes > 0 {
[INFO] [stdout] 78  | |                 // Skip lines that are comments (start with '/').
[INFO] [stdout] 79  | |                 if self.next_command.chars().next() == Some('/')
[INFO] [stdout] 80  | |                     || self.next_command.trim().as_bytes().len() == 0
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |                 return false;
[INFO] [stdout] 101 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/parser.rs:77:13
[INFO] [stdout]     |
[INFO] [stdout] 77  | /             if bytes > 0 {
[INFO] [stdout] 78  | |                 // Skip lines that are comments (start with '/').
[INFO] [stdout] 79  | |                 if self.next_command.chars().next() == Some('/')
[INFO] [stdout] 80  | |                     || self.next_command.trim().as_bytes().len() == 0
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |                 return false;
[INFO] [stdout] 101 | |             };
[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 `hack_assembler` (bin "hack_assembler" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `hack_assembler` (bin "hack_assembler") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7390eeea23bb40a22d58664ab3be72ce36b047b56d2e4519e321000658cbc0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7390eeea23bb40a22d58664ab3be72ce36b047b56d2e4519e321000658cbc0b4", kill_on_drop: false }`
[INFO] [stdout] 7390eeea23bb40a22d58664ab3be72ce36b047b56d2e4519e321000658cbc0b4