[INFO] fetching crate typic 0.3.0...
[INFO] testing typic-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate typic 0.3.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate typic 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate typic 0.3.0
[INFO] finished tweaking crates.io crate typic 0.3.0
[INFO] tweaked toml for crates.io crate typic 0.3.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76bf37a59da03c65572d984410dd53a7dce9a5e580abda08b5e359676d131f9e
[INFO] running `Command { std: "docker" "start" "-a" "76bf37a59da03c65572d984410dd53a7dce9a5e580abda08b5e359676d131f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76bf37a59da03c65572d984410dd53a7dce9a5e580abda08b5e359676d131f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76bf37a59da03c65572d984410dd53a7dce9a5e580abda08b5e359676d131f9e", kill_on_drop: false }`
[INFO] [stdout] 76bf37a59da03c65572d984410dd53a7dce9a5e580abda08b5e359676d131f9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1252ef47352b6d39cd885789d0c1b3caeb7c02d60d7d2c05d2725c654604feb
[INFO] running `Command { std: "docker" "start" "-a" "b1252ef47352b6d39cd885789d0c1b3caeb7c02d60d7d2c05d2725c654604feb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling if_chain v1.0.2
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling typic-derive v0.3.0
[INFO] [stderr]    Compiling typic v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.40s
[INFO] running `Command { std: "docker" "inspect" "b1252ef47352b6d39cd885789d0c1b3caeb7c02d60d7d2c05d2725c654604feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1252ef47352b6d39cd885789d0c1b3caeb7c02d60d7d2c05d2725c654604feb", kill_on_drop: false }`
[INFO] [stdout] b1252ef47352b6d39cd885789d0c1b3caeb7c02d60d7d2c05d2725c654604feb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10de17e4f4d487e07beac0d2e66866bafaa4d988edb7a6d3e4f6f9af73d64c0e
[INFO] running `Command { std: "docker" "start" "-a" "10de17e4f4d487e07beac0d2e66866bafaa4d988edb7a6d3e4f6f9af73d64c0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling typic v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::mem::align_of`
[INFO] [stdout]  --> tests/transmute.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::mem::align_of;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `static_assertions::*`
[INFO] [stdout]  --> tests/transmute_stress.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use static_assertions::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/derive.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(concat_idents)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ZST_Rust` should have an upper camel case name
[INFO] [stdout]   --> tests/derive.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     struct ZST_Rust;
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to upper camel case: `ZstRust`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ZST_Packed` should have an upper camel case name
[INFO] [stdout]   --> tests/derive.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     struct ZST_Packed;
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `ZstPacked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `typic` due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stress`
[INFO] [stdout]  --> tests/transmute_stress.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn stress() {
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "10de17e4f4d487e07beac0d2e66866bafaa4d988edb7a6d3e4f6f9af73d64c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10de17e4f4d487e07beac0d2e66866bafaa4d988edb7a6d3e4f6f9af73d64c0e", kill_on_drop: false }`
[INFO] [stdout] 10de17e4f4d487e07beac0d2e66866bafaa4d988edb7a6d3e4f6f9af73d64c0e