[INFO] fetching crate etwin_serde_tools 0.10.0...
[INFO] testing etwin_serde_tools-0.10.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate etwin_serde_tools 0.10.0 into /workspace/builds/worker-95/source
[INFO] validating manifest of crates.io crate etwin_serde_tools 0.10.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate etwin_serde_tools 0.10.0
[INFO] finished tweaking crates.io crate etwin_serde_tools 0.10.0
[INFO] tweaked toml for crates.io crate etwin_serde_tools 0.10.0 written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b8faaf74523259df805e0dbb53c5db58246902e3403f1d61056f369838a15ad
[INFO] running `Command { std: "docker" "start" "-a" "4b8faaf74523259df805e0dbb53c5db58246902e3403f1d61056f369838a15ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b8faaf74523259df805e0dbb53c5db58246902e3403f1d61056f369838a15ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b8faaf74523259df805e0dbb53c5db58246902e3403f1d61056f369838a15ad", kill_on_drop: false }`
[INFO] [stdout] 4b8faaf74523259df805e0dbb53c5db58246902e3403f1d61056f369838a15ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cafc2c49295fc300d64564390759900ddea85d79058e81fc41908c347ca75cf
[INFO] running `Command { std: "docker" "start" "-a" "2cafc2c49295fc300d64564390759900ddea85d79058e81fc41908c347ca75cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling etwin_serde_tools v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.26s
[INFO] running `Command { std: "docker" "inspect" "2cafc2c49295fc300d64564390759900ddea85d79058e81fc41908c347ca75cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cafc2c49295fc300d64564390759900ddea85d79058e81fc41908c347ca75cf", kill_on_drop: false }`
[INFO] [stdout] 2cafc2c49295fc300d64564390759900ddea85d79058e81fc41908c347ca75cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d434662e3cda1aab1f9e336e9b947087fe3900312ffee405e43d21888f5a414c
[INFO] running `Command { std: "docker" "start" "-a" "d434662e3cda1aab1f9e336e9b947087fe3900312ffee405e43d21888f5a414c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling etwin_serde_tools v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.66s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/etwin_serde_tools-e9add42de2c611a9)
[INFO] running `Command { std: "docker" "inspect" "d434662e3cda1aab1f9e336e9b947087fe3900312ffee405e43d21888f5a414c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d434662e3cda1aab1f9e336e9b947087fe3900312ffee405e43d21888f5a414c", kill_on_drop: false }`
[INFO] [stdout] d434662e3cda1aab1f9e336e9b947087fe3900312ffee405e43d21888f5a414c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 56008002031aa51e208e4454d3e952dc540f3371b341a281b5cee65848c11d0a
[INFO] running `Command { std: "docker" "start" "-a" "56008002031aa51e208e4454d3e952dc540f3371b341a281b5cee65848c11d0a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/etwin_serde_tools-e9add42de2c611a9)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::read_error_on_missing_nested_option ... ok
[INFO] [stdout] test test::read_error_on_missing_explicit_option ... ok
[INFO] [stdout] test test::read_ok_on_defined_explicit_option ... ok
[INFO] [stdout] test test::read_ok_on_defined_nested_option ... ok
[INFO] [stdout] test test::read_ok_on_null_explicit_option ... ok
[INFO] [stdout] test test::read_ok_on_null_nested_option ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests etwin_serde_tools
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - deserialize_nested_option (line 67) ... ok
[INFO] [stdout] test src/lib.rs - deserialize_explicit_option (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.82s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "56008002031aa51e208e4454d3e952dc540f3371b341a281b5cee65848c11d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56008002031aa51e208e4454d3e952dc540f3371b341a281b5cee65848c11d0a", kill_on_drop: false }`
[INFO] [stdout] 56008002031aa51e208e4454d3e952dc540f3371b341a281b5cee65848c11d0a