[INFO] fetching crate seshat-unicode 0.3.1...
[INFO] checking seshat-unicode-0.3.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate seshat-unicode 0.3.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate seshat-unicode 0.3.1
[INFO] finished tweaking crates.io crate seshat-unicode 0.3.1
[INFO] tweaked toml for crates.io crate seshat-unicode 0.3.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate seshat-unicode 0.3.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding num v0.3.1 (available: v0.4.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f106efd973a1b451fc3fb7e3186eee3efc7255e05f264c414ed3b668af3b1815
[INFO] running `Command { std: "docker" "start" "-a" "f106efd973a1b451fc3fb7e3186eee3efc7255e05f264c414ed3b668af3b1815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f106efd973a1b451fc3fb7e3186eee3efc7255e05f264c414ed3b668af3b1815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f106efd973a1b451fc3fb7e3186eee3efc7255e05f264c414ed3b668af3b1815", kill_on_drop: false }`
[INFO] [stdout] f106efd973a1b451fc3fb7e3186eee3efc7255e05f264c414ed3b668af3b1815
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 875a5b2113f67f57784f0f8350151d152c65765d94e0e832b546403c26bb8fac
[INFO] running `Command { std: "docker" "start" "-a" "875a5b2113f67f57784f0f8350151d152c65765d94e0e832b546403c26bb8fac", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking xml-rs v0.8.26
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking seshat-unicode v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `idsu` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:3779:15
[INFO] [stdout]      |
[INFO] [stdout] 3779 | pub(crate) fn idsu(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `id_compat_math_continue` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:4103:15
[INFO] [stdout]      |
[INFO] [stdout] 4103 | pub(crate) fn id_compat_math_continue(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `id_compat_math_start` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:4180:15
[INFO] [stdout]      |
[INFO] [stdout] 4180 | pub(crate) fn id_compat_math_start(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mcm` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:5343:15
[INFO] [stdout]      |
[INFO] [stdout] 5343 | pub(crate) fn mcm(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/unicode.rs:991:24
[INFO] [stdout]     |
[INFO] [stdout] 991 |     fn break_graphemes(&self) -> BreakGraphemes;
[INFO] [stdout]     |                        ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 991 |     fn break_graphemes(&self) -> BreakGraphemes<'_>;
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/unicode.rs:995:24
[INFO] [stdout]     |
[INFO] [stdout] 995 |     fn break_graphemes(&self) -> BreakGraphemes {
[INFO] [stdout]     |                        ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 995 |     fn break_graphemes(&self) -> BreakGraphemes<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `idsu` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:3779:15
[INFO] [stdout]      |
[INFO] [stdout] 3779 | pub(crate) fn idsu(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `id_compat_math_continue` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:4103:15
[INFO] [stdout]      |
[INFO] [stdout] 4103 | pub(crate) fn id_compat_math_continue(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `id_compat_math_start` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:4180:15
[INFO] [stdout]      |
[INFO] [stdout] 4180 | pub(crate) fn id_compat_math_start(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mcm` is never used
[INFO] [stdout]     --> src/unicode/ucd/binary_props.rs:5343:15
[INFO] [stdout]      |
[INFO] [stdout] 5343 | pub(crate) fn mcm(cp: u32) -> bool {
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/unicode.rs:991:24
[INFO] [stdout]     |
[INFO] [stdout] 991 |     fn break_graphemes(&self) -> BreakGraphemes;
[INFO] [stdout]     |                        ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 991 |     fn break_graphemes(&self) -> BreakGraphemes<'_>;
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/unicode.rs:995:24
[INFO] [stdout]     |
[INFO] [stdout] 995 |     fn break_graphemes(&self) -> BreakGraphemes {
[INFO] [stdout]     |                        ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 995 |     fn break_graphemes(&self) -> BreakGraphemes<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.45s
[INFO] running `Command { std: "docker" "inspect" "875a5b2113f67f57784f0f8350151d152c65765d94e0e832b546403c26bb8fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "875a5b2113f67f57784f0f8350151d152c65765d94e0e832b546403c26bb8fac", kill_on_drop: false }`
[INFO] [stdout] 875a5b2113f67f57784f0f8350151d152c65765d94e0e832b546403c26bb8fac