[INFO] fetching crate serde-avro 0.5.0...
[INFO] checking serde-avro-0.5.0 against beta-2020-07-24 for pr-75494-beta
[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-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86762f6db867a8b84b92f82ad52159fe49cd2861fd9309e30ec0c22f65258009
[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" "86762f6db867a8b84b92f82ad52159fe49cd2861fd9309e30ec0c22f65258009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86762f6db867a8b84b92f82ad52159fe49cd2861fd9309e30ec0c22f65258009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86762f6db867a8b84b92f82ad52159fe49cd2861fd9309e30ec0c22f65258009", kill_on_drop: false }`
[INFO] [stdout] 86762f6db867a8b84b92f82ad52159fe49cd2861fd9309e30ec0c22f65258009
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--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] d99c088e74c263a663cd16cfb91f01ddf77cfebbcae366242e2942eec50c6177
[INFO] running `Command { std: "docker" "start" "-a" "d99c088e74c263a663cd16cfb91f01ddf77cfebbcae366242e2942eec50c6177", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde-avro v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking error-chain v0.9.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v0.4.0
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking serde-value v0.4.1
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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: use of deprecated item '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: 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 12.51s
[INFO] running `Command { std: "docker" "inspect" "d99c088e74c263a663cd16cfb91f01ddf77cfebbcae366242e2942eec50c6177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d99c088e74c263a663cd16cfb91f01ddf77cfebbcae366242e2942eec50c6177", kill_on_drop: false }`
[INFO] [stdout] d99c088e74c263a663cd16cfb91f01ddf77cfebbcae366242e2942eec50c6177
