[INFO] fetching crate you-can 0.0.14...
[INFO] checking you-can-0.0.14 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate you-can 0.0.14 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate you-can 0.0.14
[INFO] finished tweaking crates.io crate you-can 0.0.14
[INFO] tweaked toml for crates.io crate you-can 0.0.14 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate you-can 0.0.14 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate you-can 0.0.14 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 834d477dc9a62a91fc90ca4f05b803718ca1c870a16366198f22bbeded447cf2
[INFO] running `Command { std: "docker" "start" "-a" "834d477dc9a62a91fc90ca4f05b803718ca1c870a16366198f22bbeded447cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "834d477dc9a62a91fc90ca4f05b803718ca1c870a16366198f22bbeded447cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "834d477dc9a62a91fc90ca4f05b803718ca1c870a16366198f22bbeded447cf2", kill_on_drop: false }`
[INFO] [stdout] 834d477dc9a62a91fc90ca4f05b803718ca1c870a16366198f22bbeded447cf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f8801fcb304422b58cb75a10d20df90cf38ffb4feb6bfb021357b378851eaa2
[INFO] running `Command { std: "docker" "start" "-a" "7f8801fcb304422b58cb75a10d20df90cf38ffb4feb6bfb021357b378851eaa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling libc v0.2.131
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.143
[INFO] [stderr]    Compiling serde v1.0.143
[INFO] [stderr]    Compiling anyhow v1.0.61
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_json v1.0.83
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling semver v1.0.13
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]    Compiling you-can-build-macros v0.0.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling compiletest_rs v0.8.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking filetime v0.2.17
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking tester v0.9.0
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking you-can v0.0.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustfix v0.6.1
[INFO] [stdout] warning: this suppresses the borrow checker in an unsafe, unsound, and unstable way that produces undefined behaviour. this is not suitable for any purpose beyond educational experimentation.
[INFO] [stdout]  --> examples/in_mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     #![you_can::turn_off_the_borrow_checker]
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the borrow checker is suppressed for these references.
[INFO] [stdout]   --> examples/in_mod.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let mut_1 = &mut owned[0];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout] 11 |         let mut_2 = &mut owned[1];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this suppresses the borrow checker in an unsafe, unsound, and unstable way that produces undefined behaviour. this is not suitable for any purpose beyond educational experimentation.
[INFO] [stdout]  --> examples/in_fn.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     #![you_can::turn_off_the_borrow_checker]
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the borrow checker is suppressed for these references.
[INFO] [stdout]   --> examples/in_fn.rs:9:17
[INFO] [stdout]    |
[INFO] [stdout]  9 |     let mut_1 = &mut owned[0];
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout] 10 |     let mut_2 = &mut owned[1];
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this suppresses the borrow checker in an unsafe, unsound, and unstable way that produces undefined behaviour. this is not suitable for any purpose beyond educational experimentation.
[INFO] [stdout]  --> examples/on_mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[you_can::turn_off_the_borrow_checker]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the borrow checker is suppressed for these references.
[INFO] [stdout]  --> examples/on_mod.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let mut_1 = &mut owned[0];
[INFO] [stdout]   |                     ^^^^^^^^^^^^^
[INFO] [stdout] 8 |         let mut_2 = &mut owned[1];
[INFO] [stdout]   |                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this suppresses the borrow checker in an unsafe, unsound, and unstable way that produces undefined behaviour. this is not suitable for any purpose beyond educational experimentation.
[INFO] [stdout]  --> examples/on_block.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[you_can::turn_off_the_borrow_checker]
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the borrow checker is suppressed for these references.
[INFO] [stdout]   --> examples/on_block.rs:9:21
[INFO] [stdout]    |
[INFO] [stdout]  9 |         let mut_1 = &mut owned[0];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout] 10 |         let mut_2 = &mut owned[1];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this suppresses the borrow checker in an unsafe, unsound, and unstable way that produces undefined behaviour. this is not suitable for any purpose beyond educational experimentation.
[INFO] [stdout]  --> examples/on_statement.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[you_can::turn_off_the_borrow_checker]
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this suppresses the borrow checker in an unsafe, unsound, and unstable way that produces undefined behaviour. this is not suitable for any purpose beyond educational experimentation.
[INFO] [stdout]  --> examples/on_statement.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[you_can::turn_off_the_borrow_checker]
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this suppresses the borrow checker in an unsafe, unsound, and unstable way that produces undefined behaviour. this is not suitable for any purpose beyond educational experimentation.
[INFO] [stdout]  --> examples/on_fn.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[you_can::turn_off_the_borrow_checker]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the borrow checker is suppressed for these references.
[INFO] [stdout]  --> examples/on_fn.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut_1 = &mut owned[0];
[INFO] [stdout]   |                 ^^^^^^^^^^^^^
[INFO] [stdout] 7 |     let mut_2 = &mut owned[1];
[INFO] [stdout]   |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `stmt_expr_attributes` is declared but not used
[INFO] [stdout]  --> examples/on_statement.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(stmt_expr_attributes, proc_macro_hygiene)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.87s
[INFO] running `Command { std: "docker" "inspect" "7f8801fcb304422b58cb75a10d20df90cf38ffb4feb6bfb021357b378851eaa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f8801fcb304422b58cb75a10d20df90cf38ffb4feb6bfb021357b378851eaa2", kill_on_drop: false }`
[INFO] [stdout] 7f8801fcb304422b58cb75a10d20df90cf38ffb4feb6bfb021357b378851eaa2
