[INFO] fetching crate ntp 0.5.0...
[INFO] checking ntp-0.5.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate ntp 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ntp 0.5.0 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ntp 0.5.0
[INFO] finished tweaking crates.io crate ntp 0.5.0
[INFO] tweaked toml for crates.io crate ntp 0.5.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54359d0e93a0ba3bd8b461929b23b923e8ff852d896796c93bc547fc84c62567
[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" "54359d0e93a0ba3bd8b461929b23b923e8ff852d896796c93bc547fc84c62567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54359d0e93a0ba3bd8b461929b23b923e8ff852d896796c93bc547fc84c62567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54359d0e93a0ba3bd8b461929b23b923e8ff852d896796c93bc547fc84c62567", kill_on_drop: false }`
[INFO] [stdout] 54359d0e93a0ba3bd8b461929b23b923e8ff852d896796c93bc547fc84c62567
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4faf40b406ac7c692a4225509c97b17e027fe7f1d11adf76391d0298d3d52ba7
[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" "4faf40b406ac7c692a4225509c97b17e027fe7f1d11adf76391d0298d3d52ba7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking ntp v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/formats/mod.rs:120:1
[INFO] [stdout]     |
[INFO] [stdout] 120 | /// ascii chars packed into a u32 for matching a raw buffer
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/formats/mod.rs:120:1
[INFO] [stdout]     |
[INFO] [stdout] 120 | /// ascii chars packed into a u32 for matching a raw buffer
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/packet.rs:48:33
[INFO] [stdout]     |
[INFO] [stdout] 48  |         let li = LeapIndicator::try_from(li_vn_mode >> 6)?;
[INFO] [stdout]     |                                 ^^^^^^^^ multiple `try_from` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `std::convert::TryFrom` for the type `T`
[INFO] [stdout] note: candidate #2 is defined in the trait `conv::TryFrom`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/conv-0.3.3/src/lib.rs:377:5
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn try_from(src: Src) -> Result<Self, Self::Err>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 48  |         let li = std::convert::TryFrom::try_from(li_vn_mode >> 6)?;
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 48  |         let li = conv::TryFrom::try_from(li_vn_mode >> 6)?;
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/packet.rs:49:27
[INFO] [stdout]     |
[INFO] [stdout] 49  |         let vn = Version::try_from((li_vn_mode >> 3) & 0b111)?;
[INFO] [stdout]     |                           ^^^^^^^^ multiple `try_from` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `std::convert::TryFrom` for the type `T`
[INFO] [stdout] note: candidate #2 is defined in the trait `conv::TryFrom`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/conv-0.3.3/src/lib.rs:377:5
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn try_from(src: Src) -> Result<Self, Self::Err>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 49  |         let vn = std::convert::TryFrom::try_from((li_vn_mode >> 3) & 0b111)?;
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 49  |         let vn = conv::TryFrom::try_from((li_vn_mode >> 3) & 0b111)?;
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/packet.rs:50:26
[INFO] [stdout]     |
[INFO] [stdout] 50  |         let mode = Mode::try_from(li_vn_mode & 0b111)?;
[INFO] [stdout]     |                          ^^^^^^^^ multiple `try_from` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `std::convert::TryFrom` for the type `T`
[INFO] [stdout] note: candidate #2 is defined in the trait `conv::TryFrom`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/conv-0.3.3/src/lib.rs:377:5
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn try_from(src: Src) -> Result<Self, Self::Err>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 50  |         let mode = std::convert::TryFrom::try_from(li_vn_mode & 0b111)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 50  |         let mode = conv::TryFrom::try_from(li_vn_mode & 0b111)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/packet.rs:60:41
[INFO] [stdout]     |
[INFO] [stdout] 60  |             let source = PrimarySource::try_from(ref_id_raw)?;
[INFO] [stdout]     |                                         ^^^^^^^^ multiple `try_from` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `std::convert::TryFrom` for the type `T`
[INFO] [stdout] note: candidate #2 is defined in the trait `conv::TryFrom`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/conv-0.3.3/src/lib.rs:377:5
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn try_from(src: Src) -> Result<Self, Self::Err>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 60  |             let source = std::convert::TryFrom::try_from(ref_id_raw)?;
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 60  |             let source = conv::TryFrom::try_from(ref_id_raw)?;
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `conv::TryFrom`
[INFO] [stdout]  --> src/packet.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use conv::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ntp`
[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] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/packet.rs:48:33
[INFO] [stdout]     |
[INFO] [stdout] 48  |         let li = LeapIndicator::try_from(li_vn_mode >> 6)?;
[INFO] [stdout]     |                                 ^^^^^^^^ multiple `try_from` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `std::convert::TryFrom` for the type `T`
[INFO] [stdout] note: candidate #2 is defined in the trait `conv::TryFrom`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/conv-0.3.3/src/lib.rs:377:5
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn try_from(src: Src) -> Result<Self, Self::Err>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 48  |         let li = std::convert::TryFrom::try_from(li_vn_mode >> 6)?;
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 48  |         let li = conv::TryFrom::try_from(li_vn_mode >> 6)?;
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/packet.rs:49:27
[INFO] [stdout]     |
[INFO] [stdout] 49  |         let vn = Version::try_from((li_vn_mode >> 3) & 0b111)?;
[INFO] [stdout]     |                           ^^^^^^^^ multiple `try_from` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `std::convert::TryFrom` for the type `T`
[INFO] [stdout] note: candidate #2 is defined in the trait `conv::TryFrom`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/conv-0.3.3/src/lib.rs:377:5
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn try_from(src: Src) -> Result<Self, Self::Err>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 49  |         let vn = std::convert::TryFrom::try_from((li_vn_mode >> 3) & 0b111)?;
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 49  |         let vn = conv::TryFrom::try_from((li_vn_mode >> 3) & 0b111)?;
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/packet.rs:50:26
[INFO] [stdout]     |
[INFO] [stdout] 50  |         let mode = Mode::try_from(li_vn_mode & 0b111)?;
[INFO] [stdout]     |                          ^^^^^^^^ multiple `try_from` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `std::convert::TryFrom` for the type `T`
[INFO] [stdout] note: candidate #2 is defined in the trait `conv::TryFrom`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/conv-0.3.3/src/lib.rs:377:5
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn try_from(src: Src) -> Result<Self, Self::Err>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 50  |         let mode = std::convert::TryFrom::try_from(li_vn_mode & 0b111)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 50  |         let mode = conv::TryFrom::try_from(li_vn_mode & 0b111)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/packet.rs:60:41
[INFO] [stdout]     |
[INFO] [stdout] 60  |             let source = PrimarySource::try_from(ref_id_raw)?;
[INFO] [stdout]     |                                         ^^^^^^^^ multiple `try_from` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `std::convert::TryFrom` for the type `T`
[INFO] [stdout] note: candidate #2 is defined in the trait `conv::TryFrom`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/conv-0.3.3/src/lib.rs:377:5
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn try_from(src: Src) -> Result<Self, Self::Err>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 60  |             let source = std::convert::TryFrom::try_from(ref_id_raw)?;
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 60  |             let source = conv::TryFrom::try_from(ref_id_raw)?;
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `conv::TryFrom`
[INFO] [stdout]  --> src/packet.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use conv::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4faf40b406ac7c692a4225509c97b17e027fe7f1d11adf76391d0298d3d52ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4faf40b406ac7c692a4225509c97b17e027fe7f1d11adf76391d0298d3d52ba7", kill_on_drop: false }`
[INFO] [stdout] 4faf40b406ac7c692a4225509c97b17e027fe7f1d11adf76391d0298d3d52ba7