[INFO] fetching crate cast-rs 0.2.1...
[INFO] testing cast-rs-0.2.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate cast-rs 0.2.1 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate cast-rs 0.2.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cast-rs 0.2.1
[INFO] finished tweaking crates.io crate cast-rs 0.2.1
[INFO] tweaked toml for crates.io crate cast-rs 0.2.1 written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate crates.io crate cast-rs 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2546a92b79ad29525db27df4c57ff8bd3e30c6adf637cd7b977b88019c4afd97
[INFO] running `Command { std: "docker" "start" "-a" "2546a92b79ad29525db27df4c57ff8bd3e30c6adf637cd7b977b88019c4afd97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2546a92b79ad29525db27df4c57ff8bd3e30c6adf637cd7b977b88019c4afd97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2546a92b79ad29525db27df4c57ff8bd3e30c6adf637cd7b977b88019c4afd97", kill_on_drop: false }`
[INFO] [stdout] 2546a92b79ad29525db27df4c57ff8bd3e30c6adf637cd7b977b88019c4afd97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2815f5e098b999783df24eae10aa7c72451a6e0c2c48eb920dc3969b483918f8
[INFO] running `Command { std: "docker" "start" "-a" "2815f5e098b999783df24eae10aa7c72451a6e0c2c48eb920dc3969b483918f8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling slice-cast v0.1.2
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling cast-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "2815f5e098b999783df24eae10aa7c72451a6e0c2c48eb920dc3969b483918f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2815f5e098b999783df24eae10aa7c72451a6e0c2c48eb920dc3969b483918f8", kill_on_drop: false }`
[INFO] [stdout] 2815f5e098b999783df24eae10aa7c72451a6e0c2c48eb920dc3969b483918f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8637788368fe18b2429798b99aed574ee2dca69ca09d93926d682ac269a1fa83
[INFO] running `Command { std: "docker" "start" "-a" "8637788368fe18b2429798b99aed574ee2dca69ca09d93926d682ac269a1fa83", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cast-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "8637788368fe18b2429798b99aed574ee2dca69ca09d93926d682ac269a1fa83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8637788368fe18b2429798b99aed574ee2dca69ca09d93926d682ac269a1fa83", kill_on_drop: false }`
[INFO] [stdout] 8637788368fe18b2429798b99aed574ee2dca69ca09d93926d682ac269a1fa83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ab9effeb899318385e43afaffe8938298404f1f3be429394e1f285aa91902d8
[INFO] running `Command { std: "docker" "start" "-a" "3ab9effeb899318385e43afaffe8938298404f1f3be429394e1f285aa91902d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cast_rs-e761e66eefed89fb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cast_rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3ab9effeb899318385e43afaffe8938298404f1f3be429394e1f285aa91902d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ab9effeb899318385e43afaffe8938298404f1f3be429394e1f285aa91902d8", kill_on_drop: false }`
[INFO] [stdout] 3ab9effeb899318385e43afaffe8938298404f1f3be429394e1f285aa91902d8