[INFO] fetching crate wayback-urls 0.1.0...
[INFO] checking wayback-urls-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate wayback-urls 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate wayback-urls 0.1.0
[INFO] finished tweaking crates.io crate wayback-urls 0.1.0
[INFO] tweaked toml for crates.io crate wayback-urls 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wayback-urls 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--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]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding urlencoding v1.3.3 (available: v2.1.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a41a344c47a03caa4d80d84250446a47c92387ec1dc119778fbaf06e4514acd8
[INFO] running `Command { std: "docker" "start" "-a" "a41a344c47a03caa4d80d84250446a47c92387ec1dc119778fbaf06e4514acd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a41a344c47a03caa4d80d84250446a47c92387ec1dc119778fbaf06e4514acd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a41a344c47a03caa4d80d84250446a47c92387ec1dc119778fbaf06e4514acd8", kill_on_drop: false }`
[INFO] [stdout] a41a344c47a03caa4d80d84250446a47c92387ec1dc119778fbaf06e4514acd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e90e7e63b5384fbc4dbe0fc1e6d60bb7ec6ab11e0bf3cdb9c510b5a43461a8cb
[INFO] running `Command { std: "docker" "start" "-a" "e90e7e63b5384fbc4dbe0fc1e6d60bb7ec6ab11e0bf3cdb9c510b5a43461a8cb", kill_on_drop: false }`
[INFO] [stderr]     Checking urlencoding v1.3.3
[INFO] [stderr]     Checking wayback-urls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `HasDefaultVariant` is never used
[INFO] [stdout]    --> src/timemap.rs:372:7
[INFO] [stdout]     |
[INFO] [stdout] 372 | trait HasDefaultVariant {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/timemap.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn as_ref(&self) -> Filter {
[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] 80 |     pub fn as_ref(&self) -> Filter<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `HasDefaultVariant` is never used
[INFO] [stdout]    --> src/timemap.rs:372:7
[INFO] [stdout]     |
[INFO] [stdout] 372 | trait HasDefaultVariant {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/timemap.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn as_ref(&self) -> Filter {
[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] 80 |     pub fn as_ref(&self) -> Filter<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "e90e7e63b5384fbc4dbe0fc1e6d60bb7ec6ab11e0bf3cdb9c510b5a43461a8cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e90e7e63b5384fbc4dbe0fc1e6d60bb7ec6ab11e0bf3cdb9c510b5a43461a8cb", kill_on_drop: false }`
[INFO] [stdout] e90e7e63b5384fbc4dbe0fc1e6d60bb7ec6ab11e0bf3cdb9c510b5a43461a8cb