[INFO] fetching crate borrowing_exerci 0.4.51... [INFO] checking borrowing_exerci-0.4.51 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846 [INFO] extracting crate borrowing_exerci 0.4.51 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate borrowing_exerci 0.4.51 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wild v2.0.2 [INFO] [stderr] Downloaded shell-words v0.1.0 [INFO] [stderr] Downloaded run_script v0.3.2 [INFO] [stderr] Downloaded bat v0.12.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aec529890f26ad8d1dedd477adfc3d3a1fa7f18e30d0c6dec1a8e6325d7de8d1 [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" "aec529890f26ad8d1dedd477adfc3d3a1fa7f18e30d0c6dec1a8e6325d7de8d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aec529890f26ad8d1dedd477adfc3d3a1fa7f18e30d0c6dec1a8e6325d7de8d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aec529890f26ad8d1dedd477adfc3d3a1fa7f18e30d0c6dec1a8e6325d7de8d1", kill_on_drop: false }` [INFO] [stdout] aec529890f26ad8d1dedd477adfc3d3a1fa7f18e30d0c6dec1a8e6325d7de8d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66f2ebaf11a6a38b20ad72fbdf3da2c86f3cc0a9b2473e9e483d11624c950fbb [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" "66f2ebaf11a6a38b20ad72fbdf3da2c86f3cc0a9b2473e9e483d11624c950fbb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking memchr v2.2.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking term_size v0.3.1 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking users v0.9.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking run_script v0.3.2 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Checking prettytable-rs v0.8.0 [INFO] [stderr] Checking borrowing_exerci v0.4.51 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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: use of deprecated item '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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.49s [INFO] running `Command { std: "docker" "inspect" "66f2ebaf11a6a38b20ad72fbdf3da2c86f3cc0a9b2473e9e483d11624c950fbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66f2ebaf11a6a38b20ad72fbdf3da2c86f3cc0a9b2473e9e483d11624c950fbb", kill_on_drop: false }` [INFO] [stdout] 66f2ebaf11a6a38b20ad72fbdf3da2c86f3cc0a9b2473e9e483d11624c950fbb