[INFO] fetching crate varlociraptor 8.7.3...
[INFO] checking varlociraptor-8.7.3 against master#d14d202262d13df896b0c624b0cec6e4bfde631a for pr-143028
[INFO] extracting crate varlociraptor 8.7.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate varlociraptor 8.7.3
[INFO] finished tweaking crates.io crate varlociraptor 8.7.3
[INFO] tweaked toml for crates.io crate varlociraptor 8.7.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate varlociraptor 8.7.3 on toolchain d14d202262d13df896b0c624b0cec6e4bfde631a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate varlociraptor 8.7.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rulinalg v0.3.7
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00177d32d8a408d467612d9e7724f7350c0a4f4eeda82eccbaea07ead2cf3219
[INFO] running `Command { std: "docker" "start" "-a" "00177d32d8a408d467612d9e7724f7350c0a4f4eeda82eccbaea07ead2cf3219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00177d32d8a408d467612d9e7724f7350c0a4f4eeda82eccbaea07ead2cf3219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00177d32d8a408d467612d9e7724f7350c0a4f4eeda82eccbaea07ead2cf3219", kill_on_drop: false }`
[INFO] [stdout] 00177d32d8a408d467612d9e7724f7350c0a4f4eeda82eccbaea07ead2cf3219
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36d9735131174dda6983f37c80cab8096684a7311ccaf6eafa3c6a365a803d4b
[INFO] running `Command { std: "docker" "start" "-a" "36d9735131174dda6983f37c80cab8096684a7311ccaf6eafa3c6a365a803d4b", kill_on_drop: false }`
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[INFO] [stdout] warning: variant `InvalidIndex` is never constructed
[INFO] [stdout]   --> src/errors.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub(crate) enum Error {
[INFO] [stdout]    |                 ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 21 |     InvalidIndex,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RecordStats` is never constructed
[INFO] [stdout]    --> src/estimation/alignment_properties.rs:194:16
[INFO] [stdout]     |
[INFO] [stdout] 194 |         struct RecordStats {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `idx` is never read
[INFO] [stdout]   --> src/testcase/builder.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub struct Testcase {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 71 |     idx: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Integer` is never constructed
[INFO] [stdout]    --> src/variants/evidence/observations/read_observation.rs:818:5
[INFO] [stdout]     |
[INFO] [stdout] 816 | pub(crate) enum EvidenceIdentifier {
[INFO] [stdout]     |                 ------------------ variant in this enum
[INFO] [stdout] 817 |     Bytes(Vec<u8>),
[INFO] [stdout] 818 |     Integer(u32),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EvidenceIdentifier` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ContinuousAlleleFreqs` is never constructed
[INFO] [stdout]   --> src/variants/model/mod.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub(crate) struct ContinuousAlleleFreqs {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `absent` and `singleton` are never used
[INFO] [stdout]   --> src/variants/model/mod.rs:93:19
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl ContinuousAlleleFreqs {
[INFO] [stdout]    | -------------------------- associated functions in this implementation
[INFO] [stdout] 93 |     pub(crate) fn absent() -> Self {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |     pub(crate) fn singleton(value: f64) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/utils/variant_buffer.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub(crate) fn next(&mut self) -> Result<Option<Variants>> {
[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] 58 |     pub(crate) fn next(&mut self) -> Result<Option<Variants<'_>>> {
[INFO] [stdout]    |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/variants/model/modes/generic.rs:136:24
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub(crate) fn iter(&self) -> Values<Event> {
[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] 136 |     pub(crate) fn iter(&self) -> Values<'_, Event> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidIndex` is never constructed
[INFO] [stdout]   --> src/errors.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub(crate) enum Error {
[INFO] [stdout]    |                 ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 21 |     InvalidIndex,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RecordStats` is never constructed
[INFO] [stdout]    --> src/estimation/alignment_properties.rs:194:16
[INFO] [stdout]     |
[INFO] [stdout] 194 |         struct RecordStats {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `idx` is never read
[INFO] [stdout]   --> src/testcase/builder.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub struct Testcase {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 71 |     idx: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Integer` is never constructed
[INFO] [stdout]    --> src/variants/evidence/observations/read_observation.rs:818:5
[INFO] [stdout]     |
[INFO] [stdout] 816 | pub(crate) enum EvidenceIdentifier {
[INFO] [stdout]     |                 ------------------ variant in this enum
[INFO] [stdout] 817 |     Bytes(Vec<u8>),
[INFO] [stdout] 818 |     Integer(u32),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EvidenceIdentifier` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ContinuousAlleleFreqs` is never constructed
[INFO] [stdout]   --> src/variants/model/mod.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub(crate) struct ContinuousAlleleFreqs {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `absent` and `singleton` are never used
[INFO] [stdout]   --> src/variants/model/mod.rs:93:19
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl ContinuousAlleleFreqs {
[INFO] [stdout]    | -------------------------- associated functions in this implementation
[INFO] [stdout] 93 |     pub(crate) fn absent() -> Self {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |     pub(crate) fn singleton(value: f64) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/utils/variant_buffer.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub(crate) fn next(&mut self) -> Result<Option<Variants>> {
[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] 58 |     pub(crate) fn next(&mut self) -> Result<Option<Variants<'_>>> {
[INFO] [stdout]    |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/variants/model/modes/generic.rs:136:24
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub(crate) fn iter(&self) -> Values<Event> {
[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] 136 |     pub(crate) fn iter(&self) -> Values<'_, Event> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 36s
[INFO] running `Command { std: "docker" "inspect" "36d9735131174dda6983f37c80cab8096684a7311ccaf6eafa3c6a365a803d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36d9735131174dda6983f37c80cab8096684a7311ccaf6eafa3c6a365a803d4b", kill_on_drop: false }`
[INFO] [stdout] 36d9735131174dda6983f37c80cab8096684a7311ccaf6eafa3c6a365a803d4b