[INFO] fetching crate serde_at 0.12.0...
[INFO] testing serde_at-0.12.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate serde_at 0.12.0 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate serde_at 0.12.0 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 serde_at 0.12.0
[INFO] finished tweaking crates.io crate serde_at 0.12.0
[INFO] tweaked toml for crates.io crate serde_at 0.12.0 written to /workspace/builds/worker-46/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hash32 v0.2.1
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.3
[INFO] [stderr]   Downloaded heapless v0.7.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 8062b3789442d86ed698da398a0570cf7932de8d8212dad8a4640589ce1dfa9c
[INFO] running `Command { std: "docker" "start" "-a" "8062b3789442d86ed698da398a0570cf7932de8d8212dad8a4640589ce1dfa9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8062b3789442d86ed698da398a0570cf7932de8d8212dad8a4640589ce1dfa9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8062b3789442d86ed698da398a0570cf7932de8d8212dad8a4640589ce1dfa9c", kill_on_drop: false }`
[INFO] [stdout] 8062b3789442d86ed698da398a0570cf7932de8d8212dad8a4640589ce1dfa9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 88c02d23ff4efaab9656de8a0f607289239e1ed25d2b801348357a14a456a3e4
[INFO] running `Command { std: "docker" "start" "-a" "88c02d23ff4efaab9656de8a0f607289239e1ed25d2b801348357a14a456a3e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling heapless v0.7.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling serde_at v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.68s
[INFO] running `Command { std: "docker" "inspect" "88c02d23ff4efaab9656de8a0f607289239e1ed25d2b801348357a14a456a3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88c02d23ff4efaab9656de8a0f607289239e1ed25d2b801348357a14a456a3e4", kill_on_drop: false }`
[INFO] [stdout] 88c02d23ff4efaab9656de8a0f607289239e1ed25d2b801348357a14a456a3e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] fd6fa24bae050c9a1b03e19754e93fa620203532d3419cbea7a3f3345ef079e3
[INFO] running `Command { std: "docker" "start" "-a" "fd6fa24bae050c9a1b03e19754e93fa620203532d3419cbea7a3f3345ef079e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_at v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.33s
[INFO] running `Command { std: "docker" "inspect" "fd6fa24bae050c9a1b03e19754e93fa620203532d3419cbea7a3f3345ef079e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6fa24bae050c9a1b03e19754e93fa620203532d3419cbea7a3f3345ef079e3", kill_on_drop: false }`
[INFO] [stdout] fd6fa24bae050c9a1b03e19754e93fa620203532d3419cbea7a3f3345ef079e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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", kill_on_drop: false }`
[INFO] [stdout] d1587b765239d83358e2f56cf3eead168fe20309a28269650cd596c7036f1964
[INFO] running `Command { std: "docker" "start" "-a" "d1587b765239d83358e2f56cf3eead168fe20309a28269650cd596c7036f1964", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_at-17d5e54fe9e3967f)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test de::tests::cgmi_string ... ok
[INFO] [stdout] test de::tests::char_test ... ok
[INFO] [stdout] test de::tests::char_vec_struct ... ok
[INFO] [stdout] test de::tests::newtype_struct ... ok
[INFO] [stdout] test de::tests::simple_string ... ok
[INFO] [stdout] test de::tests::simple_struct ... ok
[INFO] [stdout] test de::tests::simple_struct_optionals ... ok
[INFO] [stdout] test de::tests::u128_test ... ok
[INFO] [stdout] test ser::tests::byte_serialize ... ok
[INFO] [stdout] test ser::tests::char_vec_serialize ... ok
[INFO] [stdout] test ser::tests::tuple_struct ... ok
[INFO] [stdout] test ser::tests::newtype_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_at
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/ser/mod.rs - ser::Bytes (line 25) ... ok
[INFO] [stdout] test src/de/mod.rs - de::CharVec (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d1587b765239d83358e2f56cf3eead168fe20309a28269650cd596c7036f1964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1587b765239d83358e2f56cf3eead168fe20309a28269650cd596c7036f1964", kill_on_drop: false }`
[INFO] [stdout] d1587b765239d83358e2f56cf3eead168fe20309a28269650cd596c7036f1964