[INFO] crate metrics-util 0.4.0-alpha.1 is already in cache
[INFO] checking metrics-util-0.4.0-alpha.1 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate metrics-util 0.4.0-alpha.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate metrics-util 0.4.0-alpha.1 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metrics-util 0.4.0-alpha.1
[INFO] finished tweaking crates.io crate metrics-util 0.4.0-alpha.1
[INFO] tweaked toml for crates.io crate metrics-util 0.4.0-alpha.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a73c13443f0ea1e02dbe50b8ed6a6db19577573f43249ead565ffac291fc7a9
[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" "0a73c13443f0ea1e02dbe50b8ed6a6db19577573f43249ead565ffac291fc7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a73c13443f0ea1e02dbe50b8ed6a6db19577573f43249ead565ffac291fc7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a73c13443f0ea1e02dbe50b8ed6a6db19577573f43249ead565ffac291fc7a9", kill_on_drop: false }`
[INFO] [stdout] 0a73c13443f0ea1e02dbe50b8ed6a6db19577573f43249ead565ffac291fc7a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d89def5615f12125aa79950132c358678bd584c6fc3f8677659076f12c31c6ff
[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" "d89def5615f12125aa79950132c358678bd584c6fc3f8677659076f12c31c6ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling metrics v0.13.0-alpha.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
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[INFO] [stderr]    Compiling metrics-macros v0.1.0-alpha.1
[INFO] [stderr]     Checking metrics-util v0.4.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] error[E0277]: the trait bound `metrics::Key: std::convert::From<(&str, std::vec::Vec<metrics::Label>)>` is not satisfied
[INFO] [stdout]   --> benches/registry.rs:24:50
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 let key = ("simple_key", labels).into();
[INFO] [stdout]    |                                                  ^^^^ the trait `std::convert::From<(&str, std::vec::Vec<metrics::Label>)>` is not implemented for `metrics::Key`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <metrics::Key as std::convert::From<&'static str>>
[INFO] [stdout]              <metrics::Key as std::convert::From<std::string::String>>
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::convert::Into<metrics::Key>` for `(&str, std::vec::Vec<metrics::Label>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `metrics::Key: std::convert::From<(&str, std::vec::Vec<metrics::Label>)>` is not satisfied
[INFO] [stdout]   --> benches/registry.rs:43:54
[INFO] [stdout]    |
[INFO] [stdout] 43 |                     let key = ("simple_key", labels).into();
[INFO] [stdout]    |                                                      ^^^^ the trait `std::convert::From<(&str, std::vec::Vec<metrics::Label>)>` is not implemented for `metrics::Key`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <metrics::Key as std::convert::From<&'static str>>
[INFO] [stdout]              <metrics::Key as std::convert::From<std::string::String>>
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::convert::Into<metrics::Key>` for `(&str, std::vec::Vec<metrics::Label>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `metrics::Key: std::convert::From<(&str, std::vec::Vec<metrics::Label>)>` is not satisfied
[INFO] [stdout]   --> benches/registry.rs:72:44
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let _: Key = (key, labels).into();
[INFO] [stdout]    |                                            ^^^^ the trait `std::convert::From<(&str, std::vec::Vec<metrics::Label>)>` is not implemented for `metrics::Key`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <metrics::Key as std::convert::From<&'static str>>
[INFO] [stdout]              <metrics::Key as std::convert::From<std::string::String>>
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::convert::Into<metrics::Key>` for `(&str, std::vec::Vec<metrics::Label>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `metrics-util`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d89def5615f12125aa79950132c358678bd584c6fc3f8677659076f12c31c6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89def5615f12125aa79950132c358678bd584c6fc3f8677659076f12c31c6ff", kill_on_drop: false }`
[INFO] [stdout] d89def5615f12125aa79950132c358678bd584c6fc3f8677659076f12c31c6ff