[INFO] fetching crate serde-avro 0.5.0...
[INFO] checking serde-avro-0.5.0 against beta for pr-78714
[INFO] extracting crate serde-avro 0.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate serde-avro 0.5.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-avro 0.5.0
[INFO] finished tweaking crates.io crate serde-avro 0.5.0
[INFO] tweaked toml for crates.io crate serde-avro 0.5.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 9954d6410a6b3e70cabcbe934b551333ab1a41c378f35e1a0b4728c0fa099d79
[INFO] running `Command { std: "docker" "start" "-a" "9954d6410a6b3e70cabcbe934b551333ab1a41c378f35e1a0b4728c0fa099d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9954d6410a6b3e70cabcbe934b551333ab1a41c378f35e1a0b4728c0fa099d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9954d6410a6b3e70cabcbe934b551333ab1a41c378f35e1a0b4728c0fa099d79", kill_on_drop: false }`
[INFO] [stdout] 9954d6410a6b3e70cabcbe934b551333ab1a41c378f35e1a0b4728c0fa099d79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b8431ab652fd1c4656ebdfbe8fa3d85f28424d86ac27e9c1856db4b7e7bc19a
[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" "6b8431ab652fd1c4656ebdfbe8fa3d85f28424d86ac27e9c1856db4b7e7bc19a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde-avro v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking miniz-sys v0.1.12
[INFO] [stderr]     Checking error-chain v0.9.0
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking ordered-float v0.4.0
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking serde-value v0.4.1
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / error_chain! {
[INFO] [stdout] 8  | |     foreign_links {
[INFO] [stdout] 9  | |         IO(io::Error);
[INFO] [stdout] 10 | |         Utf8(string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 63 | |     }
[INFO] [stdout] 64 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / error_chain! {
[INFO] [stdout] 8  | |     foreign_links {
[INFO] [stdout] 9  | |         IO(io::Error);
[INFO] [stdout] 10 | |         Utf8(string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 63 | |     }
[INFO] [stdout] 64 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/schema.rs:72:1
[INFO] [stdout]     |
[INFO] [stdout] 72  | / lazy_static! {
[INFO] [stdout] 73  | |     pub static ref EMPTY_REGISTRY: SchemaRegistry = {
[INFO] [stdout] 74  | |         SchemaRegistry::new()
[INFO] [stdout] 75  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 114 | |     };
[INFO] [stdout] 115 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/schema.rs:72:1
[INFO] [stdout]     |
[INFO] [stdout] 72  | / lazy_static! {
[INFO] [stdout] 73  | |     pub static ref EMPTY_REGISTRY: SchemaRegistry = {
[INFO] [stdout] 74  | |         SchemaRegistry::new()
[INFO] [stdout] 75  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 114 | |     };
[INFO] [stdout] 115 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / error_chain! {
[INFO] [stdout] 8  | |     foreign_links {
[INFO] [stdout] 9  | |         IO(io::Error);
[INFO] [stdout] 10 | |         Utf8(string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 63 | |     }
[INFO] [stdout] 64 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / error_chain! {
[INFO] [stdout] 8  | |     foreign_links {
[INFO] [stdout] 9  | |         IO(io::Error);
[INFO] [stdout] 10 | |         Utf8(string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 63 | |     }
[INFO] [stdout] 64 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/schema.rs:72:1
[INFO] [stdout]     |
[INFO] [stdout] 72  | / lazy_static! {
[INFO] [stdout] 73  | |     pub static ref EMPTY_REGISTRY: SchemaRegistry = {
[INFO] [stdout] 74  | |         SchemaRegistry::new()
[INFO] [stdout] 75  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 114 | |     };
[INFO] [stdout] 115 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/schema.rs:72:1
[INFO] [stdout]     |
[INFO] [stdout] 72  | / lazy_static! {
[INFO] [stdout] 73  | |     pub static ref EMPTY_REGISTRY: SchemaRegistry = {
[INFO] [stdout] 74  | |         SchemaRegistry::new()
[INFO] [stdout] 75  | |     };
[INFO] [stdout] ...   |
[INFO] [stdout] 114 | |     };
[INFO] [stdout] 115 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / error_chain! {
[INFO] [stdout] 8  | |     foreign_links {
[INFO] [stdout] 9  | |         IO(io::Error);
[INFO] [stdout] 10 | |         Utf8(string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 63 | |     }
[INFO] [stdout] 64 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / error_chain! {
[INFO] [stdout] 8  | |     foreign_links {
[INFO] [stdout] 9  | |         IO(io::Error);
[INFO] [stdout] 10 | |         Utf8(string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 63 | |     }
[INFO] [stdout] 64 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de/read.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut buffer = self.current_block.get_mut();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de/read.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut buffer = self.current_block.get_mut();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "6b8431ab652fd1c4656ebdfbe8fa3d85f28424d86ac27e9c1856db4b7e7bc19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b8431ab652fd1c4656ebdfbe8fa3d85f28424d86ac27e9c1856db4b7e7bc19a", kill_on_drop: false }`
[INFO] [stdout] 6b8431ab652fd1c4656ebdfbe8fa3d85f28424d86ac27e9c1856db4b7e7bc19a