[INFO] fetching crate etwin_serde_tools 0.9.2...
[INFO] testing etwin_serde_tools-0.9.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate etwin_serde_tools 0.9.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate etwin_serde_tools 0.9.2 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 etwin_serde_tools 0.9.2
[INFO] finished tweaking crates.io crate etwin_serde_tools 0.9.2
[INFO] tweaked toml for crates.io crate etwin_serde_tools 0.9.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1adc01673cf2de87db6eb154a6013e58cbe29af554e8e81e36b83772513b09d8
[INFO] running `Command { std: "docker" "start" "-a" "1adc01673cf2de87db6eb154a6013e58cbe29af554e8e81e36b83772513b09d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1adc01673cf2de87db6eb154a6013e58cbe29af554e8e81e36b83772513b09d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1adc01673cf2de87db6eb154a6013e58cbe29af554e8e81e36b83772513b09d8", kill_on_drop: false }`
[INFO] [stdout] 1adc01673cf2de87db6eb154a6013e58cbe29af554e8e81e36b83772513b09d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ad3434672df2aade34a5c14f9eb8521b6a9a98f5a70e5dc9992553c203e8f2fc
[INFO] running `Command { std: "docker" "start" "-a" "ad3434672df2aade34a5c14f9eb8521b6a9a98f5a70e5dc9992553c203e8f2fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling etwin_serde_tools v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.50s
[INFO] running `Command { std: "docker" "inspect" "ad3434672df2aade34a5c14f9eb8521b6a9a98f5a70e5dc9992553c203e8f2fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad3434672df2aade34a5c14f9eb8521b6a9a98f5a70e5dc9992553c203e8f2fc", kill_on_drop: false }`
[INFO] [stdout] ad3434672df2aade34a5c14f9eb8521b6a9a98f5a70e5dc9992553c203e8f2fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 92840b75ba02d26ef3ee9b90a3a300c69fabae3433028e4725481ff38873b554
[INFO] running `Command { std: "docker" "start" "-a" "92840b75ba02d26ef3ee9b90a3a300c69fabae3433028e4725481ff38873b554", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling etwin_serde_tools v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `Command { std: "docker" "inspect" "92840b75ba02d26ef3ee9b90a3a300c69fabae3433028e4725481ff38873b554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92840b75ba02d26ef3ee9b90a3a300c69fabae3433028e4725481ff38873b554", kill_on_drop: false }`
[INFO] [stdout] 92840b75ba02d26ef3ee9b90a3a300c69fabae3433028e4725481ff38873b554
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 54fc278ae71bbc246910e6e770ca6df90cefe89fdfdeb67635ad28efa633f34a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "54fc278ae71bbc246910e6e770ca6df90cefe89fdfdeb67635ad28efa633f34a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/etwin_serde_tools-8d5fc6453582d247)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::read_error_on_missing_nested_option ... ok
[INFO] [stdout] test test::read_ok_on_null_nested_option ... ok
[INFO] [stdout] test test::read_ok_on_null_explicit_option ... ok
[INFO] [stdout] test test::read_ok_on_defined_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] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests etwin_serde_tools
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - deserialize_explicit_option (line 32) ... ok
[INFO] [stdout] test src/lib.rs - deserialize_nested_option (line 69) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "54fc278ae71bbc246910e6e770ca6df90cefe89fdfdeb67635ad28efa633f34a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54fc278ae71bbc246910e6e770ca6df90cefe89fdfdeb67635ad28efa633f34a", kill_on_drop: false }`
[INFO] [stdout] 54fc278ae71bbc246910e6e770ca6df90cefe89fdfdeb67635ad28efa633f34a