[INFO] fetching crate dent 0.4.1...
[INFO] checking dent-0.4.1 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate dent 0.4.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate dent 0.4.1 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 dent 0.4.1
[INFO] finished tweaking crates.io crate dent 0.4.1
[INFO] tweaked toml for crates.io crate dent 0.4.1 written to /workspace/builds/worker-1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 820379788fb9cf5487bc0ae3ab6ca55450376bbc429d3fc87fd9a7ab7fc33faa
[INFO] running `Command { std: "docker" "start" "-a" "820379788fb9cf5487bc0ae3ab6ca55450376bbc429d3fc87fd9a7ab7fc33faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "820379788fb9cf5487bc0ae3ab6ca55450376bbc429d3fc87fd9a7ab7fc33faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "820379788fb9cf5487bc0ae3ab6ca55450376bbc429d3fc87fd9a7ab7fc33faa", kill_on_drop: false }`
[INFO] [stdout] 820379788fb9cf5487bc0ae3ab6ca55450376bbc429d3fc87fd9a7ab7fc33faa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 04142cd76c0667506cf5754cc8ef72dae150d287e4905eef3e36aab55c13642e
[INFO] running `Command { std: "docker" "start" "-a" "04142cd76c0667506cf5754cc8ef72dae150d287e4905eef3e36aab55c13642e", kill_on_drop: false }`
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking stamp v0.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dent v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 |         write!(f, "{}", std::error::Error::description(self))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 |         write!(f, "{}", std::error::Error::description(self))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:111:73
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn summarize_file(path: &str, lax_parsing: bool) -> Result<Summary, Box<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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:123:71
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn read_data<R>(reader: R, lax_parsing: bool) -> Result<Vec<f64>, Box<error::Error>>
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:143:62
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn summarize_stdin(lax_parsing: bool) -> Result<Summary, Box<error::Error>> {
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:111:73
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn summarize_file(path: &str, lax_parsing: bool) -> Result<Summary, Box<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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:123:71
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn read_data<R>(reader: R, lax_parsing: bool) -> Result<Vec<f64>, Box<error::Error>>
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:143:62
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn summarize_stdin(lax_parsing: bool) -> Result<Summary, Box<error::Error>> {
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.84s
[INFO] running `Command { std: "docker" "inspect" "04142cd76c0667506cf5754cc8ef72dae150d287e4905eef3e36aab55c13642e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04142cd76c0667506cf5754cc8ef72dae150d287e4905eef3e36aab55c13642e", kill_on_drop: false }`
[INFO] [stdout] 04142cd76c0667506cf5754cc8ef72dae150d287e4905eef3e36aab55c13642e
