[INFO] fetching crate serdebug 1.0.5...
[INFO] testing serdebug-1.0.5 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate serdebug 1.0.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate serdebug 1.0.5 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serdebug 1.0.5
[INFO] finished tweaking crates.io crate serdebug 1.0.5
[INFO] tweaked toml for crates.io crate serdebug 1.0.5 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serdebug_derive v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 93cc4de7d3e94327a7626ef08453c6061f0c77e278cf7deb657c1d5aef4ac0e6
[INFO] running `Command { std: "docker" "start" "-a" "93cc4de7d3e94327a7626ef08453c6061f0c77e278cf7deb657c1d5aef4ac0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93cc4de7d3e94327a7626ef08453c6061f0c77e278cf7deb657c1d5aef4ac0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93cc4de7d3e94327a7626ef08453c6061f0c77e278cf7deb657c1d5aef4ac0e6", kill_on_drop: false }`
[INFO] [stdout] 93cc4de7d3e94327a7626ef08453c6061f0c77e278cf7deb657c1d5aef4ac0e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 349033f5935019c97b46243765ab57a6a3ccba61c73c8d7ff0bf1db2ad5f74c7
[INFO] running `Command { std: "docker" "start" "-a" "349033f5935019c97b46243765ab57a6a3ccba61c73c8d7ff0bf1db2ad5f74c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serdebug v1.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serdebug_derive v1.0.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:43:32
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |         self.0.description()
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.93s
[INFO] running `Command { std: "docker" "inspect" "349033f5935019c97b46243765ab57a6a3ccba61c73c8d7ff0bf1db2ad5f74c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "349033f5935019c97b46243765ab57a6a3ccba61c73c8d7ff0bf1db2ad5f74c7", kill_on_drop: false }`
[INFO] [stdout] 349033f5935019c97b46243765ab57a6a3ccba61c73c8d7ff0bf1db2ad5f74c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92037a67f7740565b3d0b50aa6faf795892959f02221e659e7d171840ecb66d1
[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" "92037a67f7740565b3d0b50aa6faf795892959f02221e659e7d171840ecb66d1", 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]    Compiling serdebug v1.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:43:32
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |         self.0.description()
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:43:32
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |         self.0.description()
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "92037a67f7740565b3d0b50aa6faf795892959f02221e659e7d171840ecb66d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92037a67f7740565b3d0b50aa6faf795892959f02221e659e7d171840ecb66d1", kill_on_drop: false }`
[INFO] [stdout] 92037a67f7740565b3d0b50aa6faf795892959f02221e659e7d171840ecb66d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cef36c814bd04e7c32a534cc458f904946937afd384dacbf5112826c8b4719b1
[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" "cef36c814bd04e7c32a534cc458f904946937afd384dacbf5112826c8b4719b1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/error.rs:43:32
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 43 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 12 tests
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] test empty_tuple_fields::test_struct ... ok
[INFO] [stderr] 
[INFO] [stdout] test tuple_fields::test_struct ... ok
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout] test tuple_fields::test_enum ... ok
[INFO] [stderr]   --> src/error.rs:40:16
[INFO] [stdout] test single_tuple_field::test_struct ... ok
[INFO] [stderr]    |
[INFO] [stdout] test empty_tuple_fields::test_enum ... ok
[INFO] [stderr] 40 |         self.0.description()
[INFO] [stdout] test empty_named_fields::test_struct ... ok
[INFO] [stderr]    |                ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:43:32
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:40:16
[INFO] [stderr]    |
[INFO] [stderr] 40 |         self.0.description()
[INFO] [stderr]    |                ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serdebug-b87910dd8b757457
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-f84550369a4af631
[INFO] [stdout] test named_fields::test_struct ... ok
[INFO] [stdout] test single_tuple_field::test_enum ... ok
[INFO] [stdout] test no_fields::test_struct ... ok
[INFO] [stdout] test named_fields::test_enum ... ok
[INFO] [stdout] test no_fields::test_enum ... ok
[INFO] [stdout] test empty_named_fields::test_enum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serdebug
[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" "cef36c814bd04e7c32a534cc458f904946937afd384dacbf5112826c8b4719b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cef36c814bd04e7c32a534cc458f904946937afd384dacbf5112826c8b4719b1", kill_on_drop: false }`
[INFO] [stdout] cef36c814bd04e7c32a534cc458f904946937afd384dacbf5112826c8b4719b1