[INFO] fetching crate borrowing_exerci 0.4.51... [INFO] checking borrowing_exerci-0.4.51 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] extracting crate borrowing_exerci 0.4.51 into /workspace/builds/worker-109/source [INFO] validating manifest of crates.io crate borrowing_exerci 0.4.51 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 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-109/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 885ccad0fe3e40166856ddfc1ad4403a0e1314def53a92a0629fff52dbbb7370 [INFO] running `Command { std: "docker" "start" "-a" "885ccad0fe3e40166856ddfc1ad4403a0e1314def53a92a0629fff52dbbb7370", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "885ccad0fe3e40166856ddfc1ad4403a0e1314def53a92a0629fff52dbbb7370", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "885ccad0fe3e40166856ddfc1ad4403a0e1314def53a92a0629fff52dbbb7370", kill_on_drop: false }` [INFO] [stdout] 885ccad0fe3e40166856ddfc1ad4403a0e1314def53a92a0629fff52dbbb7370 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 9ef4b8525ab42cdd00e48e7d224414893309cb209da2538c2b42d71e0bffe0c4 [INFO] running `Command { std: "docker" "start" "-a" "9ef4b8525ab42cdd00e48e7d224414893309cb209da2538c2b42d71e0bffe0c4", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo. [INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously. [INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html [INFO] [stderr] When building the following dependencies, the given features will no longer be used: [INFO] [stderr] [INFO] [stderr] clap v2.33.0 (as host dependency): term_size, wrap_help, yaml, yaml-rust [INFO] [stderr] failure v0.1.6 (as host dependency): default, derive, failure_derive [INFO] [stderr] log v0.4.8: std [INFO] [stderr] memchr v2.2.1 (as host dependency): libc [INFO] [stderr] regex-syntax v0.6.12 (as host dependency): default, unicode [INFO] [stderr] syn v1.0.5 (as host dependency): extra-traits [INFO] [stderr] textwrap v0.11.0 (as host dependency): term_size [INFO] [stderr] [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking encode_unicode v0.3.6 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking term_size v0.3.1 [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 run_script v0.3.2 [INFO] [stderr] Checking regex v1.3.1 [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 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [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] [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] Migrating examples/string_type/main.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/bw.rs from 2018 edition to 2021 [INFO] [stderr] Migrating examples/mut_immut/main.rs from 2018 edition to 2021 [INFO] [stderr] Migrating examples/mut_var_sized/main.rs from 2018 edition to 2021 [INFO] [stderr] Migrating examples/box_simple.rs from 2018 edition to 2021 [INFO] [stderr] Migrating examples/box.rs from 2018 edition to 2021 [INFO] [stderr] Migrating examples/mut_fn/main.rs from 2018 edition to 2021 [INFO] [stderr] Migrating examples/string_thread.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/bwx.rs from 2018 edition to 2021 [INFO] [stderr] Migrating examples/stack_head.rs from 2018 edition to 2021 [INFO] [stderr] Migrating examples/kw_fn/main.rs from 2018 edition to 2021 [INFO] [stderr] Migrating examples/dbg/main.rs from 2018 edition to 2021 [INFO] [stderr] Migrating examples/closure/main.rs from 2018 edition to 2021 [INFO] [stderr] Migrating examples/expand/main.rs from 2018 edition to 2021 [INFO] [stderr] Migrating examples/for_loop/main.rs from 2018 edition to 2021 [INFO] [stderr] Migrating examples/mut_base/main.rs from 2018 edition to 2021 [INFO] [stderr] Migrating examples/string_ref_thread.rs from 2018 edition to 2021 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.17s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking borrowing_exerci v0.4.51 (/tmp/fixit) [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: 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] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "9ef4b8525ab42cdd00e48e7d224414893309cb209da2538c2b42d71e0bffe0c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ef4b8525ab42cdd00e48e7d224414893309cb209da2538c2b42d71e0bffe0c4", kill_on_drop: false }` [INFO] [stdout] 9ef4b8525ab42cdd00e48e7d224414893309cb209da2538c2b42d71e0bffe0c4