[INFO] fetching crate resolver 0.1.3...
[INFO] checking resolver-0.1.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate resolver 0.1.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate resolver 0.1.3
[INFO] finished tweaking crates.io crate resolver 0.1.3
[INFO] tweaked toml for crates.io crate resolver 0.1.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate resolver 0.1.3 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] crate crates.io crate resolver 0.1.3 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" "+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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c19b7559bb162745fb236237e074d0c4a1ac4abf44aad83ab8afd94ccf08f37b
[INFO] running `Command { std: "docker" "start" "-a" "c19b7559bb162745fb236237e074d0c4a1ac4abf44aad83ab8afd94ccf08f37b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c19b7559bb162745fb236237e074d0c4a1ac4abf44aad83ab8afd94ccf08f37b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c19b7559bb162745fb236237e074d0c4a1ac4abf44aad83ab8afd94ccf08f37b", kill_on_drop: false }`
[INFO] [stdout] c19b7559bb162745fb236237e074d0c4a1ac4abf44aad83ab8afd94ccf08f37b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c76c45a0ac77843c134a2dd9c250120c0debca573fed40b0e9dd71f496b93872
[INFO] running `Command { std: "docker" "start" "-a" "c76c45a0ac77843c134a2dd9c250120c0debca573fed40b0e9dd71f496b93872", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking resolver v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]    --> src/lib.rs:646:11
[INFO] [stdout]     |
[INFO] [stdout] 646 | #[cfg(all(feature = "unstable", test))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]    --> src/lib.rs:646:11
[INFO] [stdout]     |
[INFO] [stdout] 646 | #[cfg(all(feature = "unstable", test))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` 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/expr/mod.rs:158:21
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn contexts(&mut self, contexts: &'a [Context]) -> &'a mut ExecOptions {
[INFO] [stdout]     |                     ^^^^^^^^^ this lifetime flows to the output    ----------- the lifetime gets resolved as `'_`
[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] 158 |     pub fn contexts(&mut self, contexts: &'a [Context]) -> &'a mut ExecOptions<'_> {
[INFO] [stdout]     |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/expr/mod.rs:164:22
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn functions(&mut self, functions: &'a Functions) -> &'a mut ExecOptions {
[INFO] [stdout]     |                      ^^^^^^^^^ this lifetime flows to the output     ----------- the lifetime gets resolved as `'_`
[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] 164 |     pub fn functions(&mut self, functions: &'a Functions) -> &'a mut ExecOptions<'_> {
[INFO] [stdout]     |                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/expr/mod.rs:158:21
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn contexts(&mut self, contexts: &'a [Context]) -> &'a mut ExecOptions {
[INFO] [stdout]     |                     ^^^^^^^^^ this lifetime flows to the output    ----------- the lifetime gets resolved as `'_`
[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] 158 |     pub fn contexts(&mut self, contexts: &'a [Context]) -> &'a mut ExecOptions<'_> {
[INFO] [stdout]     |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/expr/mod.rs:164:22
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn functions(&mut self, functions: &'a Functions) -> &'a mut ExecOptions {
[INFO] [stdout]     |                      ^^^^^^^^^ this lifetime flows to the output     ----------- the lifetime gets resolved as `'_`
[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] 164 |     pub fn functions(&mut self, functions: &'a Functions) -> &'a mut ExecOptions<'_> {
[INFO] [stdout]     |                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.34s
[INFO] running `Command { std: "docker" "inspect" "c76c45a0ac77843c134a2dd9c250120c0debca573fed40b0e9dd71f496b93872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76c45a0ac77843c134a2dd9c250120c0debca573fed40b0e9dd71f496b93872", kill_on_drop: false }`
[INFO] [stdout] c76c45a0ac77843c134a2dd9c250120c0debca573fed40b0e9dd71f496b93872