[INFO] cloning repository https://github.com/uglyoldbob/disassembler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uglyoldbob/disassembler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuglyoldbob%2Fdisassembler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuglyoldbob%2Fdisassembler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d518564834b59d5b697b496acc5f2ed953fc58d
[INFO] checking uglyoldbob/disassembler against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuglyoldbob%2Fdisassembler" "/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/uglyoldbob/disassembler 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/uglyoldbob/disassembler
[INFO] finished tweaking git repo https://github.com/uglyoldbob/disassembler
[INFO] tweaked toml for git repo https://github.com/uglyoldbob/disassembler written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/uglyoldbob/disassembler 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded omnom v3.0.0
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92e1707c1b7a5d9498ea8432b7ff9b4fbff8819fe937ca64858c840f95328ba9
[INFO] running `Command { std: "docker" "start" "-a" "92e1707c1b7a5d9498ea8432b7ff9b4fbff8819fe937ca64858c840f95328ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92e1707c1b7a5d9498ea8432b7ff9b4fbff8819fe937ca64858c840f95328ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92e1707c1b7a5d9498ea8432b7ff9b4fbff8819fe937ca64858c840f95328ba9", kill_on_drop: false }`
[INFO] [stdout] 92e1707c1b7a5d9498ea8432b7ff9b4fbff8819fe937ca64858c840f95328ba9
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e64b0858fccb7cf365a9f5ba0a3ddafd92aa93e24d329175fceb023232635388
[INFO] running `Command { std: "docker" "start" "-a" "e64b0858fccb7cf365a9f5ba0a3ddafd92aa93e24d329175fceb023232635388", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking omnom v3.0.0
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking disassembler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let i: u32 = self.data.read_le().ok()?;
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `address` is never read
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Disassembler {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     address: Address,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let i: u32 = self.data.read_le().ok()?;
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `address` is never read
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Disassembler {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     address: Address,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "e64b0858fccb7cf365a9f5ba0a3ddafd92aa93e24d329175fceb023232635388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e64b0858fccb7cf365a9f5ba0a3ddafd92aa93e24d329175fceb023232635388", kill_on_drop: false }`
[INFO] [stdout] e64b0858fccb7cf365a9f5ba0a3ddafd92aa93e24d329175fceb023232635388
[INFO] checking uglyoldbob/disassembler against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuglyoldbob%2Fdisassembler" "/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/uglyoldbob/disassembler 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/uglyoldbob/disassembler
[INFO] finished tweaking git repo https://github.com/uglyoldbob/disassembler
[INFO] tweaked toml for git repo https://github.com/uglyoldbob/disassembler written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/uglyoldbob/disassembler 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-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03014196a4d0e75f98b1011c5f09866300e0d629c0d0bc865dbb1196cf11ce24
[INFO] running `Command { std: "docker" "start" "-a" "03014196a4d0e75f98b1011c5f09866300e0d629c0d0bc865dbb1196cf11ce24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03014196a4d0e75f98b1011c5f09866300e0d629c0d0bc865dbb1196cf11ce24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03014196a4d0e75f98b1011c5f09866300e0d629c0d0bc865dbb1196cf11ce24", kill_on_drop: false }`
[INFO] [stdout] 03014196a4d0e75f98b1011c5f09866300e0d629c0d0bc865dbb1196cf11ce24
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8946f48a9351a73649ed33ada8813650b799eb6be3d4cc5fb2900310a4518ce3
[INFO] running `Command { std: "docker" "start" "-a" "8946f48a9351a73649ed33ada8813650b799eb6be3d4cc5fb2900310a4518ce3", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.5.3/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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8946f48a9351a73649ed33ada8813650b799eb6be3d4cc5fb2900310a4518ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8946f48a9351a73649ed33ada8813650b799eb6be3d4cc5fb2900310a4518ce3", kill_on_drop: false }`
[INFO] [stdout] 8946f48a9351a73649ed33ada8813650b799eb6be3d4cc5fb2900310a4518ce3