[INFO] fetching crate tgba 0.3.0...
[INFO] checking tgba-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate tgba 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate tgba 0.3.0 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 crates.io crate tgba 0.3.0
[INFO] finished tweaking crates.io crate tgba 0.3.0
[INFO] tweaked toml for crates.io crate tgba 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding base64-serde v0.6.1 (latest: v0.7.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding serde_derive_internals v0.26.0 (latest: v0.29.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[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 ambassador v0.3.6
[INFO] [stderr]   Downloaded base64-serde v0.6.1
[INFO] [stderr]   Downloaded meru-interface v0.3.0
[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] 10387ce26a05fdb1cbc0d2c41a75455d96e2ce572b1db7051f2f987c6e34e400
[INFO] running `Command { std: "docker" "start" "-a" "10387ce26a05fdb1cbc0d2c41a75455d96e2ce572b1db7051f2f987c6e34e400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10387ce26a05fdb1cbc0d2c41a75455d96e2ce572b1db7051f2f987c6e34e400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10387ce26a05fdb1cbc0d2c41a75455d96e2ce572b1db7051f2f987c6e34e400", kill_on_drop: false }`
[INFO] [stdout] 10387ce26a05fdb1cbc0d2c41a75455d96e2ce572b1db7051f2f987c6e34e400
[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] 5c5b64edc0ed154a82734227b01a7fc5498d6622acf79214f9c83b5f2021dab5
[INFO] running `Command { std: "docker" "start" "-a" "5c5b64edc0ed154a82734227b01a7fc5498d6622acf79214f9c83b5f2021dab5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]    Compiling schemars v0.8.16
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive_internals v0.26.0
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling ambassador v0.3.6
[INFO] [stderr]    Compiling schemars_derive v0.8.16
[INFO] [stderr]     Checking modular-bitfield v0.11.2
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking meru-interface v0.3.0
[INFO] [stderr]     Checking tgba v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `width`, `read`, and `write` are never read
[INFO] [stdout]  --> src/ioreg_info.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct IoReg {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 6 |     pub addr: u32,
[INFO] [stdout] 7 |     pub width: usize,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 8 |     pub read: bool,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 9 |     pub write: bool,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width`, `read`, and `write` are never read
[INFO] [stdout]  --> src/ioreg_info.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct IoReg {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 6 |     pub addr: u32,
[INFO] [stdout] 7 |     pub width: usize,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 8 |     pub read: bool,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 9 |     pub write: bool,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[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 13.37s
[INFO] running `Command { std: "docker" "inspect" "5c5b64edc0ed154a82734227b01a7fc5498d6622acf79214f9c83b5f2021dab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c5b64edc0ed154a82734227b01a7fc5498d6622acf79214f9c83b5f2021dab5", kill_on_drop: false }`
[INFO] [stdout] 5c5b64edc0ed154a82734227b01a7fc5498d6622acf79214f9c83b5f2021dab5
[INFO] checking tgba-0.3.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate tgba 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate tgba 0.3.0 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 crates.io crate tgba 0.3.0
[INFO] finished tweaking crates.io crate tgba 0.3.0
[INFO] tweaked toml for crates.io crate tgba 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] 4116869b67294eaec1de2ee2908af9267d327e6f4a3c81065d5ae812700d7177
[INFO] running `Command { std: "docker" "start" "-a" "4116869b67294eaec1de2ee2908af9267d327e6f4a3c81065d5ae812700d7177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4116869b67294eaec1de2ee2908af9267d327e6f4a3c81065d5ae812700d7177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4116869b67294eaec1de2ee2908af9267d327e6f4a3c81065d5ae812700d7177", kill_on_drop: false }`
[INFO] [stdout] 4116869b67294eaec1de2ee2908af9267d327e6f4a3c81065d5ae812700d7177
[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] 2c497ed12009000b4b9a4777efb69b66d8fdfb32e88032a2e56a650d9aa1dd00
[INFO] running `Command { std: "docker" "start" "-a" "2c497ed12009000b4b9a4777efb69b66d8fdfb32e88032a2e56a650d9aa1dd00", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling schemars v0.8.16
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive_internals v0.26.0
[INFO] [stderr]    Compiling schemars_derive v0.8.16
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling ambassador v0.3.6
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ambassador-0.3.6/src/util.rs:9:39
[INFO] [stdout]     |
[INFO] [stdout] 9   |       ($span:expr, $($rest:expr),*) => {Err(syn::parse::Error::new($span, format_args!($($rest),*)))};
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ambassador-0.3.6/src/derive.rs:109:33
[INFO] [stdout]     |
[INFO] [stdout] 109 |                       try_option!(error!(
[INFO] [stdout]     |  _________________________________-
[INFO] [stdout] 110 | |                         lit.span(),
[INFO] [stdout] 111 | |                         "\"target\" value for delegate attribute can only be specified once"
[INFO] [stdout] 112 | |                     ));
[INFO] [stdout]     | |_____________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `error` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 `ambassador` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2c497ed12009000b4b9a4777efb69b66d8fdfb32e88032a2e56a650d9aa1dd00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c497ed12009000b4b9a4777efb69b66d8fdfb32e88032a2e56a650d9aa1dd00", kill_on_drop: false }`
[INFO] [stdout] 2c497ed12009000b4b9a4777efb69b66d8fdfb32e88032a2e56a650d9aa1dd00