[INFO] fetching crate myls 0.1.4... [INFO] building myls-0.1.4 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate myls 0.1.4 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate myls 0.1.4 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate myls 0.1.4 [INFO] finished tweaking crates.io crate myls 0.1.4 [INFO] tweaked toml for crates.io crate myls 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate myls 0.1.4 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded size v0.1.2 [INFO] [stderr] Downloaded num-traits v0.2.9 [INFO] [stderr] Downloaded users v0.9.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a8444b462589ccbe069e9770f7a281ab20a29b90aab8970d18e3b34821372e54 [INFO] running `Command { std: "docker" "start" "-a" "a8444b462589ccbe069e9770f7a281ab20a29b90aab8970d18e3b34821372e54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a8444b462589ccbe069e9770f7a281ab20a29b90aab8970d18e3b34821372e54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8444b462589ccbe069e9770f7a281ab20a29b90aab8970d18e3b34821372e54", kill_on_drop: false }` [INFO] [stdout] a8444b462589ccbe069e9770f7a281ab20a29b90aab8970d18e3b34821372e54 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b7dcb172bce558043aa66a7aa66871443742f854547864b4eb1a8bcc7b1875b [INFO] running `Command { std: "docker" "start" "-a" "8b7dcb172bce558043aa66a7aa66871443742f854547864b4eb1a8bcc7b1875b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling num-traits v0.2.9 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling users v0.9.1 [INFO] [stderr] Compiling term_size v0.3.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling size v0.1.2 [INFO] [stderr] Compiling myls v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::panic::resume_unwind` [INFO] [stdout] --> src/meta.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::panic::resume_unwind; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/meta.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | / quick_error!( [INFO] [stdout] 15 | | #[derive(Debug)] [INFO] [stdout] 16 | | pub enum MetaError { [INFO] [stdout] 17 | | UnableReadName(path: String) { [INFO] [stdout] ... | [INFO] [stdout] 29 | | ); [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/meta.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | / quick_error!( [INFO] [stdout] 15 | | #[derive(Debug)] [INFO] [stdout] 16 | | pub enum MetaError { [INFO] [stdout] 17 | | UnableReadName(path: String) { [INFO] [stdout] ... | [INFO] [stdout] 29 | | ); [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/meta.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | / quick_error!( [INFO] [stdout] 15 | | #[derive(Debug)] [INFO] [stdout] 16 | | pub enum MetaError { [INFO] [stdout] 17 | | UnableReadName(path: String) { [INFO] [stdout] ... | [INFO] [stdout] 29 | | ); [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/core.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct MaxInfo { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 15 | pub name: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/core.rs:154:34 [INFO] [stdout] | [INFO] [stdout] 154 | Err(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 154 | Err(e) => panic!("{}", e), [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 154 | Err(e) => std::panic::panic_any(e), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.96s [INFO] running `Command { std: "docker" "inspect" "8b7dcb172bce558043aa66a7aa66871443742f854547864b4eb1a8bcc7b1875b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b7dcb172bce558043aa66a7aa66871443742f854547864b4eb1a8bcc7b1875b", kill_on_drop: false }` [INFO] [stdout] 8b7dcb172bce558043aa66a7aa66871443742f854547864b4eb1a8bcc7b1875b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7e2cece7ebf1f0bac7744d6250134b235c58a09a9bf67e7144cb479074457395 [INFO] running `Command { std: "docker" "start" "-a" "7e2cece7ebf1f0bac7744d6250134b235c58a09a9bf67e7144cb479074457395", kill_on_drop: false }` [INFO] [stderr] Compiling myls v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::panic::resume_unwind` [INFO] [stdout] --> src/meta.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::panic::resume_unwind; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/meta.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | / quick_error!( [INFO] [stdout] 15 | | #[derive(Debug)] [INFO] [stdout] 16 | | pub enum MetaError { [INFO] [stdout] 17 | | UnableReadName(path: String) { [INFO] [stdout] ... | [INFO] [stdout] 29 | | ); [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/meta.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | / quick_error!( [INFO] [stdout] 15 | | #[derive(Debug)] [INFO] [stdout] 16 | | pub enum MetaError { [INFO] [stdout] 17 | | UnableReadName(path: String) { [INFO] [stdout] ... | [INFO] [stdout] 29 | | ); [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/meta.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | / quick_error!( [INFO] [stdout] 15 | | #[derive(Debug)] [INFO] [stdout] 16 | | pub enum MetaError { [INFO] [stdout] 17 | | UnableReadName(path: String) { [INFO] [stdout] ... | [INFO] [stdout] 29 | | ); [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/core.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct MaxInfo { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 15 | pub name: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/core.rs:154:34 [INFO] [stdout] | [INFO] [stdout] 154 | Err(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 154 | Err(e) => panic!("{}", e), [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 154 | Err(e) => std::panic::panic_any(e), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s [INFO] running `Command { std: "docker" "inspect" "7e2cece7ebf1f0bac7744d6250134b235c58a09a9bf67e7144cb479074457395", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e2cece7ebf1f0bac7744d6250134b235c58a09a9bf67e7144cb479074457395", kill_on_drop: false }` [INFO] [stdout] 7e2cece7ebf1f0bac7744d6250134b235c58a09a9bf67e7144cb479074457395