[INFO] fetching crate romans 0.1.0...
[INFO] building romans-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate romans 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate romans 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate romans 0.1.0
[INFO] tweaked toml for crates.io crate romans 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate romans 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate romans 0.1.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mockall v0.12.1
[INFO] [stderr]   Downloaded core-ext v0.1.1
[INFO] [stderr]   Downloaded mockall_derive v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d583c7b1ebc5317153bef569fc84eb57897ca4fb46f5708b1a42b8362e368ff
[INFO] running `Command { std: "docker" "start" "-a" "7d583c7b1ebc5317153bef569fc84eb57897ca4fb46f5708b1a42b8362e368ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d583c7b1ebc5317153bef569fc84eb57897ca4fb46f5708b1a42b8362e368ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d583c7b1ebc5317153bef569fc84eb57897ca4fb46f5708b1a42b8362e368ff", kill_on_drop: false }`
[INFO] [stdout] 7d583c7b1ebc5317153bef569fc84eb57897ca4fb46f5708b1a42b8362e368ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68212d26e89ce67855d5ab013430256f8f2349823564fd87e5c590c887ad5f03
[INFO] running `Command { std: "docker" "start" "-a" "68212d26e89ce67855d5ab013430256f8f2349823564fd87e5c590c887ad5f03", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling core-ext v0.1.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling romans v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.48s
[INFO] running `Command { std: "docker" "inspect" "68212d26e89ce67855d5ab013430256f8f2349823564fd87e5c590c887ad5f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68212d26e89ce67855d5ab013430256f8f2349823564fd87e5c590c887ad5f03", kill_on_drop: false }`
[INFO] [stdout] 68212d26e89ce67855d5ab013430256f8f2349823564fd87e5c590c887ad5f03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a418d807f8bbd67d0adfd03ed17387b7732df72f5360fcb4b20d36cd39fdaab5
[INFO] running `Command { std: "docker" "start" "-a" "a418d807f8bbd67d0adfd03ed17387b7732df72f5360fcb4b20d36cd39fdaab5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling predicates-core v1.0.8
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stderr]    Compiling downcast v0.11.0
[INFO] [stderr]    Compiling fragile v2.0.0
[INFO] [stderr]    Compiling similar v2.6.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling predicates v3.1.2
[INFO] [stderr]    Compiling predicates-tree v1.0.11
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling console v0.15.8
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-complex-0.1.43/src/lib.rs:65:48
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-complex-0.1.43/src/lib.rs:65:64
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.1.44/src/biguint.rs:50:48
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.1.44/src/biguint.rs:50:64
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.1.44/src/bigint.rs:41:48
[INFO] [stdout]    |
[INFO] [stdout] 41 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.1.44/src/bigint.rs:41:64
[INFO] [stdout]    |
[INFO] [stdout] 41 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.1.44/src/bigint.rs:107:48
[INFO] [stdout]     |
[INFO] [stdout] 107 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.1.44/src/bigint.rs:107:64
[INFO] [stdout]     |
[INFO] [stdout] 107 | #[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `num-complex` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `num-bigint` (lib) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "a418d807f8bbd67d0adfd03ed17387b7732df72f5360fcb4b20d36cd39fdaab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a418d807f8bbd67d0adfd03ed17387b7732df72f5360fcb4b20d36cd39fdaab5", kill_on_drop: false }`
[INFO] [stdout] a418d807f8bbd67d0adfd03ed17387b7732df72f5360fcb4b20d36cd39fdaab5