[INFO] cloning repository https://github.com/JerTH/armv7m-vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JerTH/armv7m-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJerTH%2Farmv7m-vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJerTH%2Farmv7m-vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fe97b98de4c3bb74becb6ae5157b378bdba743a
[INFO] checking JerTH/armv7m-vm/0fe97b98de4c3bb74becb6ae5157b378bdba743a against try#52ae2445414b2a196b318d85c2819995c6e5f1aa for pr-133397
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJerTH%2Farmv7m-vm" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JerTH/armv7m-vm on toolchain 52ae2445414b2a196b318d85c2819995c6e5f1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JerTH/armv7m-vm
[INFO] finished tweaking git repo https://github.com/JerTH/armv7m-vm
[INFO] tweaked toml for git repo https://github.com/JerTH/armv7m-vm written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JerTH/armv7m-vm 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" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88de27bc61a22748f911d9b483c6db5c9c0ab6b62dbac29e1967a9a9cdc9f5be
[INFO] running `Command { std: "docker" "start" "-a" "88de27bc61a22748f911d9b483c6db5c9c0ab6b62dbac29e1967a9a9cdc9f5be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88de27bc61a22748f911d9b483c6db5c9c0ab6b62dbac29e1967a9a9cdc9f5be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88de27bc61a22748f911d9b483c6db5c9c0ab6b62dbac29e1967a9a9cdc9f5be", kill_on_drop: false }`
[INFO] [stdout] 88de27bc61a22748f911d9b483c6db5c9c0ab6b62dbac29e1967a9a9cdc9f5be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc0ab30ad6c531bba32c647f340f53b664e77c31598da3355011ebac636aedd1
[INFO] running `Command { std: "docker" "start" "-a" "dc0ab30ad6c531bba32c647f340f53b664e77c31598da3355011ebac636aedd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking elfy v0.2.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking armchair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/decode.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/decode.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::{ info, debug, trace };
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ProgramHeaderFlags` and `ProgramHeaderType`
[INFO] [stdout]  --> src/loader.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use elfy::types::{ Segment, ProgramHeaderType, ProgramHeaderFlags };
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/decode.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/decode.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::{ info, debug, trace };
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ProgramHeaderFlags` and `ProgramHeaderType`
[INFO] [stdout]  --> src/loader.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use elfy::types::{ Segment, ProgramHeaderType, ProgramHeaderFlags };
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/decode.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/decode.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/decode.rs:134:49
[INFO] [stdout]     |
[INFO] [stdout] 134 |                         let _temp_downcasted = *_o.downcast_ref::<i64>().expect("invalid signed operand intermediary downcast");
[INFO] [stdout]     |                                                 ^^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 224 |                     .map(map_operand!(InstrThumb16::BranchE1, cond, u8))
[INFO] [stdout]     |                          ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `map_operand` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/decode.rs:438:14
[INFO] [stdout]     |
[INFO] [stdout] 438 |         for (i, item) in table.iter().enumerate() {
[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: unused variable: `item`
[INFO] [stdout]    --> src/decode.rs:438:17
[INFO] [stdout]     |
[INFO] [stdout] 438 |         for (i, item) in table.iter().enumerate() {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/decode.rs:438:14
[INFO] [stdout]     |
[INFO] [stdout] 438 |         for (i, item) in table.iter().enumerate() {
[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: unused variable: `item`
[INFO] [stdout]    --> src/decode.rs:438:17
[INFO] [stdout]     |
[INFO] [stdout] 438 |         for (i, item) in table.iter().enumerate() {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `encoded` and `decoded` are never read
[INFO] [stdout]    --> src/decode.rs:398:5
[INFO] [stdout]     |
[INFO] [stdout] 397 | pub struct InstructionCodecPair {
[INFO] [stdout]     |            -------------------- fields in this struct
[INFO] [stdout] 398 |     encoded: u16,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 399 |     decoded: InstrThumb16
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InstructionCodecPair` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/decode.rs:403:8
[INFO] [stdout]     |
[INFO] [stdout] 402 | impl InstructionCodecPair {
[INFO] [stdout]     | ------------------------- associated function in this implementation
[INFO] [stdout] 403 |     fn new(encoded: u16, decoded: InstrThumb16) -> InstructionCodecPair {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `typeid` is never read
[INFO] [stdout]    --> src/decode.rs:536:5
[INFO] [stdout]     |
[INFO] [stdout] 532 | pub struct Operand {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 536 |     typeid: TypeId,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Operand` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DataProcessingInstructions` is never constructed
[INFO] [stdout]   --> src/instructions/data_processing.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct DataProcessingInstructions {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `elf` is never read
[INFO] [stdout]   --> src/loader.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ProgramLoader {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 11 |     elf: Elf,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProgramLoader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `armchair` (lib test) due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dc0ab30ad6c531bba32c647f340f53b664e77c31598da3355011ebac636aedd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc0ab30ad6c531bba32c647f340f53b664e77c31598da3355011ebac636aedd1", kill_on_drop: false }`
[INFO] [stdout] dc0ab30ad6c531bba32c647f340f53b664e77c31598da3355011ebac636aedd1