[INFO] crate contracts 0.6.2 is already in cache
[INFO] checking contracts-0.6.2 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate contracts 0.6.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate contracts 0.6.2 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate contracts 0.6.2
[INFO] finished tweaking crates.io crate contracts 0.6.2
[INFO] tweaked toml for crates.io crate contracts 0.6.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate contracts 0.6.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ca8aadf169e87b84814fd64821b95c8f3767a708d1ba53e0cf908ff700efbc5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9ca8aadf169e87b84814fd64821b95c8f3767a708d1ba53e0cf908ff700efbc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ca8aadf169e87b84814fd64821b95c8f3767a708d1ba53e0cf908ff700efbc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca8aadf169e87b84814fd64821b95c8f3767a708d1ba53e0cf908ff700efbc5", kill_on_drop: false }`
[INFO] [stdout] 9ca8aadf169e87b84814fd64821b95c8f3767a708d1ba53e0cf908ff700efbc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a204050644697865e8ff9e95d1c22b6c675f4983490b39d1f1bdc2f15964bb8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9a204050644697865e8ff9e95d1c22b6c675f4983490b39d1f1bdc2f15964bb8", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking contracts v0.6.2 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/functions.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/traits.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/library.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/methods.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/implication.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/old.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/ranged_int.rs from 2018 edition to 2021
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `functions`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * tests/functions.rs
[INFO] [stderr] 
[INFO] [stderr] This likely indicates a bug in either rustc or cargo itself,
[INFO] [stderr] and we would appreciate a bug report! You're likely to see 
[INFO] [stderr] a number of compiler warnings after this message which cargo
[INFO] [stderr] attempted to fix but failed. If you could open an issue at
[INFO] [stderr] https://github.com/rust-lang/rust/issues
[INFO] [stderr] quoting the full output of this command we'd be very appreciative!
[INFO] [stderr] Note that you may be able to make some more progress in the near-term
[INFO] [stderr] fixing code with the `--broken-code` flag
[INFO] [stderr] 
[INFO] [stderr] The following errors were reported:
[INFO] [stderr] error[E0425]: cannot find value `x` in this scope
[INFO] [stderr]    --> tests/functions.rs:119:16
[INFO] [stderr]     |
[INFO] [stderr] 119 |     #[requires(x >= 10)]
[INFO] [stderr]     |                ^ help: a local variable with a similar name exists: `_x`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> tests/functions.rs:121:18
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn impl_test(x: isize) -> impl Clone + PartialEq + std::fmt::Debug {
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `implication`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * tests/implication.rs
[INFO] [stderr] 
[INFO] [stderr] This likely indicates a bug in either rustc or cargo itself,
[INFO] [stderr] and we would appreciate a bug report! You're likely to see 
[INFO] [stderr] a number of compiler warnings after this message which cargo
[INFO] [stderr] attempted to fix but failed. If you could open an issue at
[INFO] [stderr] https://github.com/rust-lang/rust/issues
[INFO] [stderr] quoting the full output of this command we'd be very appreciative!
[INFO] [stderr] Note that you may be able to make some more progress in the near-term
[INFO] [stderr] fixing code with the `--broken-code` flag
[INFO] [stderr] 
[INFO] [stderr] The following errors were reported:
[INFO] [stderr] error[E0425]: cannot find value `t` in this scope
[INFO] [stderr]   --> tests/implication.rs:55:15
[INFO] [stderr]    |
[INFO] [stderr] 55 |     #[ensures(t -> ret)]
[INFO] [stderr]    |               ^ help: a local variable with a similar name exists: `_t`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> tests/implication.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn only_true(t: bool) -> bool {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.28s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking contracts v0.6.2 (/tmp/fixit)
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> tests/implication.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn only_true(t: bool) -> bool {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> tests/functions.rs:121:18
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn impl_test(x: isize) -> impl Clone + PartialEq + std::fmt::Debug {
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "9a204050644697865e8ff9e95d1c22b6c675f4983490b39d1f1bdc2f15964bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a204050644697865e8ff9e95d1c22b6c675f4983490b39d1f1bdc2f15964bb8", kill_on_drop: false }`
[INFO] [stdout] 9a204050644697865e8ff9e95d1c22b6c675f4983490b39d1f1bdc2f15964bb8