[INFO] updating cached repository https://github.com/songzhi/shell
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 297fc80e2ae2b8115dd82d3e8ae499144bceeb15
[INFO] testing songzhi/shell against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsongzhi%2Fshell" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/songzhi/shell 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 git repo https://github.com/songzhi/shell
[INFO] finished tweaking git repo https://github.com/songzhi/shell
[INFO] tweaked toml for git repo https://github.com/songzhi/shell written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/songzhi/shell 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 0968f8625ad250b18f7e34cb54abdc23a9099ec634a3a88b75dc29fc2a174e86
[INFO] running `"docker" "start" "-a" "0968f8625ad250b18f7e34cb54abdc23a9099ec634a3a88b75dc29fc2a174e86"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]    Compiling dunce v1.0.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling nom v5.1.0
[INFO] [stderr]    Compiling shellexpand v1.1.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling backtrace v0.3.44
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling nom_locate v1.0.0
[INFO] [stderr]    Compiling rustyline v6.0.0
[INFO] [stderr]    Compiling ctrlc v3.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling enumflags2_derive v0.6.2
[INFO] [stderr]    Compiling nom-tracable-macros v0.4.1
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling enumflags2 v0.6.2
[INFO] [stderr]    Compiling nom-tracable v0.4.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling bigdecimal v0.1.0
[INFO] [stderr]    Compiling shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/commands/classified/external.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 | /     (argument.starts_with('"') && argument.ends_with('"')
[INFO] [stderr] 152 | |         || (argument.starts_with('\'') && argument.ends_with('\'')))
[INFO] [stderr]     | |____________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 151 |     argument.starts_with('"') && argument.ends_with('"')
[INFO] [stderr] 152 |         || (argument.starts_with('\'') && argument.ends_with('\''))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `"docker" "inspect" "0968f8625ad250b18f7e34cb54abdc23a9099ec634a3a88b75dc29fc2a174e86"`
[INFO] running `"docker" "rm" "-f" "0968f8625ad250b18f7e34cb54abdc23a9099ec634a3a88b75dc29fc2a174e86"`
[INFO] [stdout] 0968f8625ad250b18f7e34cb54abdc23a9099ec634a3a88b75dc29fc2a174e86
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 34464e27aaba9af0dd2a66401352cf436f7f2a5412beabb8d89b43a3f4823dee
[INFO] running `"docker" "start" "-a" "34464e27aaba9af0dd2a66401352cf436f7f2a5412beabb8d89b43a3f4823dee"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/commands/classified/external.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 | /     (argument.starts_with('"') && argument.ends_with('"')
[INFO] [stderr] 152 | |         || (argument.starts_with('\'') && argument.ends_with('\'')))
[INFO] [stderr]     | |____________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 151 |     argument.starts_with('"') && argument.ends_with('"')
[INFO] [stderr] 152 |         || (argument.starts_with('\'') && argument.ends_with('\''))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/commands/classified/external.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 | /     (argument.starts_with('"') && argument.ends_with('"')
[INFO] [stderr] 152 | |         || (argument.starts_with('\'') && argument.ends_with('\'')))
[INFO] [stderr]     | |____________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 151 |     argument.starts_with('"') && argument.ends_with('"')
[INFO] [stderr] 152 |         || (argument.starts_with('\'') && argument.ends_with('\''))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `"docker" "inspect" "34464e27aaba9af0dd2a66401352cf436f7f2a5412beabb8d89b43a3f4823dee"`
[INFO] running `"docker" "rm" "-f" "34464e27aaba9af0dd2a66401352cf436f7f2a5412beabb8d89b43a3f4823dee"`
[INFO] [stdout] 34464e27aaba9af0dd2a66401352cf436f7f2a5412beabb8d89b43a3f4823dee
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] b9b17fc0cae9ddfba8ec8155ae84a5c2dae85b3dd2b70dc4a08599aaf66ef4dd
[INFO] running `"docker" "start" "-a" "b9b17fc0cae9ddfba8ec8155ae84a5c2dae85b3dd2b70dc4a08599aaf66ef4dd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/commands/classified/external.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 | /     (argument.starts_with('"') && argument.ends_with('"')
[INFO] [stderr] 152 | |         || (argument.starts_with('\'') && argument.ends_with('\'')))
[INFO] [stderr]     | |____________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 151 |     argument.starts_with('"') && argument.ends_with('"')
[INFO] [stderr] 152 |         || (argument.starts_with('\'') && argument.ends_with('\''))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/commands/classified/external.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 | /     (argument.starts_with('"') && argument.ends_with('"')
[INFO] [stderr] 152 | |         || (argument.starts_with('\'') && argument.ends_with('\'')))
[INFO] [stderr]     | |____________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 151 |     argument.starts_with('"') && argument.ends_with('"')
[INFO] [stderr] 152 |         || (argument.starts_with('\'') && argument.ends_with('\''))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shell-0df89767288d9bcf
[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] [stderr]      Running /opt/rustwide/target/debug/deps/shell-1d861109a72985e7
[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] [stderr]    Doc-tests shell
[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" "b9b17fc0cae9ddfba8ec8155ae84a5c2dae85b3dd2b70dc4a08599aaf66ef4dd"`
[INFO] running `"docker" "rm" "-f" "b9b17fc0cae9ddfba8ec8155ae84a5c2dae85b3dd2b70dc4a08599aaf66ef4dd"`
[INFO] [stdout] b9b17fc0cae9ddfba8ec8155ae84a5c2dae85b3dd2b70dc4a08599aaf66ef4dd