[INFO] fetching crate metrics_distributor 0.5.3...
[INFO] checking metrics_distributor-0.5.3 against beta for pr-78714
[INFO] extracting crate metrics_distributor 0.5.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate metrics_distributor 0.5.3 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 metrics_distributor 0.5.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate metrics_distributor 0.5.3
[INFO] tweaked toml for crates.io crate metrics_distributor 0.5.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate metrics_distributor 0.5.3 already has a lockfile, it will not be regenerated
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 8f37cb2658c1866e531997ff42ad1bc8c6700e4b5d7abdbf79ce46a4613bba4f
[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" "8f37cb2658c1866e531997ff42ad1bc8c6700e4b5d7abdbf79ce46a4613bba4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f37cb2658c1866e531997ff42ad1bc8c6700e4b5d7abdbf79ce46a4613bba4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f37cb2658c1866e531997ff42ad1bc8c6700e4b5d7abdbf79ce46a4613bba4f", kill_on_drop: false }`
[INFO] [stdout] 8f37cb2658c1866e531997ff42ad1bc8c6700e4b5d7abdbf79ce46a4613bba4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 60877619c94bc17dc0cff7eb00c37ae1ecde1a7a32d2ce9e4612e1e274867213
[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" "60877619c94bc17dc0cff7eb00c37ae1ecde1a7a32d2ce9e4612e1e274867213", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking tokio v0.2.18
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking router v0.6.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]     Checking pin-project v0.4.9
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]     Checking metrics_distributor v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/lib.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 |         Count("a".to_owned(), 1),
[INFO] [stdout]    |               ^^^^^^^^^^^^^^ expected struct `Dimension`, found struct `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/lib.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Count("a".to_owned(), 2),
[INFO] [stdout]    |               ^^^^^^^^^^^^^^ expected struct `Dimension`, found struct `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/lib.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Count("a".to_owned(), 3),
[INFO] [stdout]    |               ^^^^^^^^^^^^^^ expected struct `Dimension`, found struct `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/lib.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Measure("b".to_owned(), 0.1),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^ expected struct `Dimension`, found struct `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/lib.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         Measure("b".to_owned(), 0.2),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^ expected struct `Dimension`, found struct `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/lib.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Measure("b".to_owned(), 0.3),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^ expected struct `Dimension`, found struct `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/lib.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |         Sample("c".to_owned(), 0.4),
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ expected struct `Dimension`, found struct `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/lib.rs:37:16
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Sample("c".to_owned(), 0.5),
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ expected struct `Dimension`, found struct `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/lib.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Sample("c".to_owned(), 0.6),
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ expected struct `Dimension`, found struct `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `metrics_distributor`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "60877619c94bc17dc0cff7eb00c37ae1ecde1a7a32d2ce9e4612e1e274867213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60877619c94bc17dc0cff7eb00c37ae1ecde1a7a32d2ce9e4612e1e274867213", kill_on_drop: false }`
[INFO] [stdout] 60877619c94bc17dc0cff7eb00c37ae1ecde1a7a32d2ce9e4612e1e274867213