[INFO] fetching crate arg 0.3.1...
[INFO] testing arg-0.3.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate arg 0.3.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate arg 0.3.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arg 0.3.1
[INFO] finished tweaking crates.io crate arg 0.3.1
[INFO] tweaked toml for crates.io crate arg 0.3.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa6263a9a95ae753c9a0efddb2a8a0c46d3859597e7ae6cc4cb8f3104a1bb7fc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aa6263a9a95ae753c9a0efddb2a8a0c46d3859597e7ae6cc4cb8f3104a1bb7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa6263a9a95ae753c9a0efddb2a8a0c46d3859597e7ae6cc4cb8f3104a1bb7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6263a9a95ae753c9a0efddb2a8a0c46d3859597e7ae6cc4cb8f3104a1bb7fc", kill_on_drop: false }`
[INFO] [stdout] aa6263a9a95ae753c9a0efddb2a8a0c46d3859597e7ae6cc4cb8f3104a1bb7fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66f91a6b9add24cd9c2fc2fcd533e4c8d50eea9a27c3da7458ada0f993a28a76
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "66f91a6b9add24cd9c2fc2fcd533e4c8d50eea9a27c3da7458ada0f993a28a76", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling tabwriter v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling arg-derive v0.3.4
[INFO] [stderr]    Compiling arg v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.27s
[INFO] running `Command { std: "docker" "inspect" "66f91a6b9add24cd9c2fc2fcd533e4c8d50eea9a27c3da7458ada0f993a28a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f91a6b9add24cd9c2fc2fcd533e4c8d50eea9a27c3da7458ada0f993a28a76", kill_on_drop: false }`
[INFO] [stdout] 66f91a6b9add24cd9c2fc2fcd533e4c8d50eea9a27c3da7458ada0f993a28a76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17c2f3b7e79c6cc11cb9ea36f337241826abd5074b761d012a6bb8ab59e9f198
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "17c2f3b7e79c6cc11cb9ea36f337241826abd5074b761d012a6bb8ab59e9f198", kill_on_drop: false }`
[INFO] [stderr]    Compiling arg v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "17c2f3b7e79c6cc11cb9ea36f337241826abd5074b761d012a6bb8ab59e9f198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c2f3b7e79c6cc11cb9ea36f337241826abd5074b761d012a6bb8ab59e9f198", kill_on_drop: false }`
[INFO] [stdout] 17c2f3b7e79c6cc11cb9ea36f337241826abd5074b761d012a6bb8ab59e9f198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dfe5212bc3dcd8b6f491f21d7a1ed9897ad6b352992362777b554ee6fc9c139b
[INFO] running `Command { std: "docker" "start" "-a" "dfe5212bc3dcd8b6f491f21d7a1ed9897ad6b352992362777b554ee6fc9c139b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arg-0a4c0adaf1a601d3)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test split::tests::test_quoted_args ... ok
[INFO] [stdout] test split::tests::test_simple_args ... ok
[INFO] [stdout] test split::tests::test_several_quoted_args ... ok
[INFO] [stdout] test split::tests::test_wrong_quoted_args ... ok
[INFO] [stderr]      Running tests/args.rs (/opt/rustwide/target/debug/deps/args-333225b62c652b61)
[INFO] [stdout] test split::tests::test_single_quoted_args ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test should_error_on_invalid_flag_value ... ok
[INFO] [stdout] test should_error_on_missing_flag_value ... ok
[INFO] [stdout] test should_handle_all_flags ... ok
[INFO] [stdout] test should_supply_default_value ... ok
[INFO] [stdout] test should_error_on_missing_args ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arg
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 39) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dfe5212bc3dcd8b6f491f21d7a1ed9897ad6b352992362777b554ee6fc9c139b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe5212bc3dcd8b6f491f21d7a1ed9897ad6b352992362777b554ee6fc9c139b", kill_on_drop: false }`
[INFO] [stdout] dfe5212bc3dcd8b6f491f21d7a1ed9897ad6b352992362777b554ee6fc9c139b