[INFO] fetching crate myls 0.1.4...
[INFO] testing myls-0.1.4 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate myls 0.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate myls 0.1.4 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-0/source/Cargo.toml
[INFO] crate crates.io crate myls 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ad43ab226df6abbace3aa8a29f9a2634b51a8cee1e52f137f504f0790798ec43
[INFO] running `"docker" "start" "-a" "ad43ab226df6abbace3aa8a29f9a2634b51a8cee1e52f137f504f0790798ec43"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling users v0.9.1
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling size v0.1.2
[INFO] [stderr]    Compiling myls v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::panic::resume_unwind`
[INFO] [stderr]   --> src/meta.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::panic::resume_unwind;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/meta.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / quick_error!(
[INFO] [stderr] 15 | |     #[derive(Debug)]
[INFO] [stderr] 16 | |     pub enum MetaError {
[INFO] [stderr] 17 | |         UnableReadName(path: String) {
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |     }
[INFO] [stderr] 29 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/meta.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / quick_error!(
[INFO] [stderr] 15 | |     #[derive(Debug)]
[INFO] [stderr] 16 | |     pub enum MetaError {
[INFO] [stderr] 17 | |         UnableReadName(path: String) {
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |     }
[INFO] [stderr] 29 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/meta.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / quick_error!(
[INFO] [stderr] 15 | |     #[derive(Debug)]
[INFO] [stderr] 16 | |     pub enum MetaError {
[INFO] [stderr] 17 | |         UnableReadName(path: String) {
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |     }
[INFO] [stderr] 29 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.46s
[INFO] running `"docker" "inspect" "ad43ab226df6abbace3aa8a29f9a2634b51a8cee1e52f137f504f0790798ec43"`
[INFO] running `"docker" "rm" "-f" "ad43ab226df6abbace3aa8a29f9a2634b51a8cee1e52f137f504f0790798ec43"`
[INFO] [stdout] ad43ab226df6abbace3aa8a29f9a2634b51a8cee1e52f137f504f0790798ec43
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 52fe5e6678f047565e42bc2e454ce39a56e60fafbda3263da6b644d36ba5f0da
[INFO] running `"docker" "start" "-a" "52fe5e6678f047565e42bc2e454ce39a56e60fafbda3263da6b644d36ba5f0da"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling myls v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::panic::resume_unwind`
[INFO] [stderr]   --> src/meta.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::panic::resume_unwind;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/meta.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / quick_error!(
[INFO] [stderr] 15 | |     #[derive(Debug)]
[INFO] [stderr] 16 | |     pub enum MetaError {
[INFO] [stderr] 17 | |         UnableReadName(path: String) {
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |     }
[INFO] [stderr] 29 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/meta.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / quick_error!(
[INFO] [stderr] 15 | |     #[derive(Debug)]
[INFO] [stderr] 16 | |     pub enum MetaError {
[INFO] [stderr] 17 | |         UnableReadName(path: String) {
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |     }
[INFO] [stderr] 29 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/meta.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / quick_error!(
[INFO] [stderr] 15 | |     #[derive(Debug)]
[INFO] [stderr] 16 | |     pub enum MetaError {
[INFO] [stderr] 17 | |         UnableReadName(path: String) {
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |     }
[INFO] [stderr] 29 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "52fe5e6678f047565e42bc2e454ce39a56e60fafbda3263da6b644d36ba5f0da"`
[INFO] running `"docker" "rm" "-f" "52fe5e6678f047565e42bc2e454ce39a56e60fafbda3263da6b644d36ba5f0da"`
[INFO] [stdout] 52fe5e6678f047565e42bc2e454ce39a56e60fafbda3263da6b644d36ba5f0da
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 40a7a92d2dcc0e017e8b94e26dad4d453b35b2b3b6b180c87bc52a2486afd4cc
[INFO] running `"docker" "start" "-a" "40a7a92d2dcc0e017e8b94e26dad4d453b35b2b3b6b180c87bc52a2486afd4cc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `std::panic::resume_unwind`
[INFO] [stderr]   --> src/meta.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::panic::resume_unwind;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/meta.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / quick_error!(
[INFO] [stderr] 15 | |     #[derive(Debug)]
[INFO] [stderr] 16 | |     pub enum MetaError {
[INFO] [stderr] 17 | |         UnableReadName(path: String) {
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |     }
[INFO] [stderr] 29 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/meta.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / quick_error!(
[INFO] [stderr] 15 | |     #[derive(Debug)]
[INFO] [stderr] 16 | |     pub enum MetaError {
[INFO] [stderr] 17 | |         UnableReadName(path: String) {
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |     }
[INFO] [stderr] 29 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/meta.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / quick_error!(
[INFO] [stderr] 15 | |     #[derive(Debug)]
[INFO] [stderr] 16 | |     pub enum MetaError {
[INFO] [stderr] 17 | |         UnableReadName(path: String) {
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |     }
[INFO] [stderr] 29 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/myls-74bed928cafaedcb
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "40a7a92d2dcc0e017e8b94e26dad4d453b35b2b3b6b180c87bc52a2486afd4cc"`
[INFO] running `"docker" "rm" "-f" "40a7a92d2dcc0e017e8b94e26dad4d453b35b2b3b6b180c87bc52a2486afd4cc"`
[INFO] [stdout] 40a7a92d2dcc0e017e8b94e26dad4d453b35b2b3b6b180c87bc52a2486afd4cc