[INFO] fetching crate uption 0.6.6...
[INFO] checking uption-0.6.6 against 1.95.0 for pr-155915
[INFO] extracting crate uption 0.6.6 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate uption 0.6.6
[INFO] finished tweaking crates.io crate uption 0.6.6
[INFO] tweaked toml for crates.io crate uption 0.6.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uption 0.6.6 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate uption 0.6.6 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 830057df78cdc88601cf2cc32a483dbc8b3fc2a84670967d1e8f37a44a2481ad
[INFO] running `Command { std: "docker" "start" "-a" "830057df78cdc88601cf2cc32a483dbc8b3fc2a84670967d1e8f37a44a2481ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "830057df78cdc88601cf2cc32a483dbc8b3fc2a84670967d1e8f37a44a2481ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "830057df78cdc88601cf2cc32a483dbc8b3fc2a84670967d1e8f37a44a2481ad", kill_on_drop: false }`
[INFO] [stdout] 830057df78cdc88601cf2cc32a483dbc8b3fc2a84670967d1e8f37a44a2481ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "9a69e63cb1fc222d84d4756a97eb25f017ec1bedf8a65bdf1fc1af2a69d0eaaa", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `::url::Url`
[INFO] [stdout]  --> src/url/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use ::url::Url;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::url::Url`
[INFO] [stdout]  --> src/url/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use ::url::Url;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_cause` and `set_context` are never used
[INFO] [stdout]   --> src/error.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub trait ResultError {
[INFO] [stdout]    |           ----------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 88 |     fn set_cause(self, cause: impl error::Error + 'static) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 89 |
[INFO] [stdout] 90 |     fn set_context(self, context: &str) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/url/url.rs:52:28
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn query_pairs_mut(&mut self) -> Serializer<UrlQuery> {
[INFO] [stdout]    |                            ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                            |             |          |
[INFO] [stdout]    |                            |             |          the same lifetime is hidden here
[INFO] [stdout]    |                            |             the same lifetime is hidden here
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn query_pairs_mut(&mut self) -> Serializer<'_, UrlQuery<'_>> {
[INFO] [stdout]    |                                                     +++         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_cause` and `set_context` are never used
[INFO] [stdout]   --> src/error.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub trait ResultError {
[INFO] [stdout]    |           ----------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 88 |     fn set_cause(self, cause: impl error::Error + 'static) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 89 |
[INFO] [stdout] 90 |     fn set_context(self, context: &str) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/url/url.rs:52:28
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn query_pairs_mut(&mut self) -> Serializer<UrlQuery> {
[INFO] [stdout]    |                            ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                            |             |          |
[INFO] [stdout]    |                            |             |          the same lifetime is hidden here
[INFO] [stdout]    |                            |             the same lifetime is hidden here
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn query_pairs_mut(&mut self) -> Serializer<'_, UrlQuery<'_>> {
[INFO] [stdout]    |                                                     +++         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 30s
[INFO] running `Command { std: "docker" "inspect" "9a69e63cb1fc222d84d4756a97eb25f017ec1bedf8a65bdf1fc1af2a69d0eaaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a69e63cb1fc222d84d4756a97eb25f017ec1bedf8a65bdf1fc1af2a69d0eaaa", kill_on_drop: false }`
[INFO] [stdout] 9a69e63cb1fc222d84d4756a97eb25f017ec1bedf8a65bdf1fc1af2a69d0eaaa
