[INFO] fetching crate borrowing_exerci 0.4.51...
[INFO] building borrowing_exerci-0.4.51 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate borrowing_exerci 0.4.51 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate borrowing_exerci 0.4.51 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate borrowing_exerci 0.4.51
[INFO] finished tweaking crates.io crate borrowing_exerci 0.4.51
[INFO] tweaked toml for crates.io crate borrowing_exerci 0.4.51 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate borrowing_exerci 0.4.51 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d04abd035d1e3b1f708624ac3bbb7c702baad2fc866f409889c004029109bd26
[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" "d04abd035d1e3b1f708624ac3bbb7c702baad2fc866f409889c004029109bd26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d04abd035d1e3b1f708624ac3bbb7c702baad2fc866f409889c004029109bd26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d04abd035d1e3b1f708624ac3bbb7c702baad2fc866f409889c004029109bd26", kill_on_drop: false }`
[INFO] [stdout] d04abd035d1e3b1f708624ac3bbb7c702baad2fc866f409889c004029109bd26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 266ffcd1224c6c25983b9e6ae2d507f7d86740f36c3364b8af84699b1bdf9ba3
[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" "266ffcd1224c6c25983b9e6ae2d507f7d86740f36c3364b8af84699b1bdf9ba3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling users v0.9.1
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling run_script v0.3.2
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling borrowing_exerci v0.4.51 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:259:65
[INFO] [stdout]     |
[INFO] [stdout] 259 |         Err(why) => panic!("couldn't open {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:266:65
[INFO] [stdout]     |
[INFO] [stdout] 266 |         Err(why) => panic!("couldn't read {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:285:71
[INFO] [stdout]     |
[INFO] [stdout] 285 |         Err(why) => panic!("couldn't create {}: {}", new_display, why.description()),
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:291:73
[INFO] [stdout]     |
[INFO] [stdout] 291 |         Err(why) => panic!("couldn't write to {}: {}", new_display, why.description()),
[INFO] [stdout]     |                                                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.60s
[INFO] running `Command { std: "docker" "inspect" "266ffcd1224c6c25983b9e6ae2d507f7d86740f36c3364b8af84699b1bdf9ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "266ffcd1224c6c25983b9e6ae2d507f7d86740f36c3364b8af84699b1bdf9ba3", kill_on_drop: false }`
[INFO] [stdout] 266ffcd1224c6c25983b9e6ae2d507f7d86740f36c3364b8af84699b1bdf9ba3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb85d97c897f055c2b343a28f1d36a48c2fea577220a097a7f8e005e8872b3f9
[INFO] running `Command { std: "docker" "start" "-a" "bb85d97c897f055c2b343a28f1d36a48c2fea577220a097a7f8e005e8872b3f9", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:259:65
[INFO] [stdout]     |
[INFO] [stdout] 259 |         Err(why) => panic!("couldn't open {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:266:65
[INFO] [stdout]     |
[INFO] [stdout] 266 |         Err(why) => panic!("couldn't read {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:285:71
[INFO] [stdout]     |
[INFO] [stdout] 285 |         Err(why) => panic!("couldn't create {}: {}", new_display, why.description()),
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling borrowing_exerci v0.4.51 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:291:73
[INFO] [stdout]     |
[INFO] [stdout] 291 |         Err(why) => panic!("couldn't write to {}: {}", new_display, why.description()),
[INFO] [stdout]     |                                                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:259:65
[INFO] [stdout]     |
[INFO] [stdout] 259 |         Err(why) => panic!("couldn't open {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:266:65
[INFO] [stdout]     |
[INFO] [stdout] 266 |         Err(why) => panic!("couldn't read {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:285:71
[INFO] [stdout]     |
[INFO] [stdout] 285 |         Err(why) => panic!("couldn't create {}: {}", new_display, why.description()),
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:291:73
[INFO] [stdout]     |
[INFO] [stdout] 291 |         Err(why) => panic!("couldn't write to {}: {}", new_display, why.description()),
[INFO] [stdout]     |                                                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "bb85d97c897f055c2b343a28f1d36a48c2fea577220a097a7f8e005e8872b3f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb85d97c897f055c2b343a28f1d36a48c2fea577220a097a7f8e005e8872b3f9", kill_on_drop: false }`
[INFO] [stdout] bb85d97c897f055c2b343a28f1d36a48c2fea577220a097a7f8e005e8872b3f9
