[INFO] fetching crate myls 0.1.4...
[INFO] building myls-0.1.4 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate myls 0.1.4 into /workspace/builds/worker-3-tc2/source
[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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate myls 0.1.4 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4b89ab77e9bcb6378d6ed89d872156621a23182a3a0d09658e9dd1b69aa0b89
[INFO] running `Command { std: "docker" "start" "-a" "e4b89ab77e9bcb6378d6ed89d872156621a23182a3a0d09658e9dd1b69aa0b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4b89ab77e9bcb6378d6ed89d872156621a23182a3a0d09658e9dd1b69aa0b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4b89ab77e9bcb6378d6ed89d872156621a23182a3a0d09658e9dd1b69aa0b89", kill_on_drop: false }`
[INFO] [stdout] e4b89ab77e9bcb6378d6ed89d872156621a23182a3a0d09658e9dd1b69aa0b89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47f83ce312287ddfa9158a7e7c7d0b86c1a9d113fc728f613fd5c9ad16eb0673
[INFO] running `Command { std: "docker" "start" "-a" "47f83ce312287ddfa9158a7e7c7d0b86c1a9d113fc728f613fd5c9ad16eb0673", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling users v0.9.1
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) 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) => panic!(e),
[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 9.09s
[INFO] running `Command { std: "docker" "inspect" "47f83ce312287ddfa9158a7e7c7d0b86c1a9d113fc728f613fd5c9ad16eb0673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47f83ce312287ddfa9158a7e7c7d0b86c1a9d113fc728f613fd5c9ad16eb0673", kill_on_drop: false }`
[INFO] [stdout] 47f83ce312287ddfa9158a7e7c7d0b86c1a9d113fc728f613fd5c9ad16eb0673
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 708eb6e55fa66bb07e35de020d5ed1aa28476f52a4db6a30e46d2d4b6921dad7
[INFO] running `Command { std: "docker" "start" "-a" "708eb6e55fa66bb07e35de020d5ed1aa28476f52a4db6a30e46d2d4b6921dad7", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) 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) => panic!(e),
[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 0.42s
[INFO] running `Command { std: "docker" "inspect" "708eb6e55fa66bb07e35de020d5ed1aa28476f52a4db6a30e46d2d4b6921dad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "708eb6e55fa66bb07e35de020d5ed1aa28476f52a4db6a30e46d2d4b6921dad7", kill_on_drop: false }`
[INFO] [stdout] 708eb6e55fa66bb07e35de020d5ed1aa28476f52a4db6a30e46d2d4b6921dad7
