[INFO] fetching crate repl-rs 0.2.5...
[INFO] testing repl-rs-0.2.5 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate repl-rs 0.2.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate repl-rs 0.2.5 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate repl-rs 0.2.5
[INFO] finished tweaking crates.io crate repl-rs 0.2.5
[INFO] tweaked toml for crates.io crate repl-rs 0.2.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate repl-rs 0.2.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded fd-lock v2.0.0
[INFO] [stderr]   Downloaded clipboard-win v4.2.1
[INFO] [stderr]   Downloaded error-code v2.3.0
[INFO] [stderr]   Downloaded str-buf v1.0.5
[INFO] [stderr]   Downloaded cc v1.0.53
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded rustyline v8.2.0
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] [stderr]   Downloaded nix v0.21.0
[INFO] [stderr]   Downloaded libc v0.2.95
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded yansi v0.5.0
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4aa047f76a3b6ba0eea9c6e754a01dfdad00e3255e8e84e360ce997eed240b3c
[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" "4aa047f76a3b6ba0eea9c6e754a01dfdad00e3255e8e84e360ce997eed240b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aa047f76a3b6ba0eea9c6e754a01dfdad00e3255e8e84e360ce997eed240b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aa047f76a3b6ba0eea9c6e754a01dfdad00e3255e8e84e360ce997eed240b3c", kill_on_drop: false }`
[INFO] [stdout] 4aa047f76a3b6ba0eea9c6e754a01dfdad00e3255e8e84e360ce997eed240b3c
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feaa66ed15b2f784fb2e9619266550dd148d4c8f08ce57d063c844b795069912
[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" "feaa66ed15b2f784fb2e9619266550dd148d4c8f08ce57d063c844b795069912", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling fd-lock v2.0.0
[INFO] [stderr]    Compiling nix v0.21.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling rustyline v8.2.0
[INFO] [stderr]    Compiling repl-rs v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.95s
[INFO] running `Command { std: "docker" "inspect" "feaa66ed15b2f784fb2e9619266550dd148d4c8f08ce57d063c844b795069912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feaa66ed15b2f784fb2e9619266550dd148d4c8f08ce57d063c844b795069912", kill_on_drop: false }`
[INFO] [stdout] feaa66ed15b2f784fb2e9619266550dd148d4c8f08ce57d063c844b795069912
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1af1056e97e16ba0aacd4efaaa36cfcc1a2e9be591021a4b8a06c11ca97647d5
[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" "1af1056e97e16ba0aacd4efaaa36cfcc1a2e9be591021a4b8a06c11ca97647d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling repl-rs v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.40s
[INFO] running `Command { std: "docker" "inspect" "1af1056e97e16ba0aacd4efaaa36cfcc1a2e9be591021a4b8a06c11ca97647d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1af1056e97e16ba0aacd4efaaa36cfcc1a2e9be591021a4b8a06c11ca97647d5", kill_on_drop: false }`
[INFO] [stdout] 1af1056e97e16ba0aacd4efaaa36cfcc1a2e9be591021a4b8a06c11ca97647d5
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b917c13ae81dac301c51102cdbfd2708fb23195024b1601fdecb5149f77ecfdf
[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" "b917c13ae81dac301c51102cdbfd2708fb23195024b1601fdecb5149f77ecfdf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/repl_rs-494057706568342e)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test repl::tests::test_no_required_after_optional ... ok
[INFO] [stdout] test repl::tests::test_required_cannot_be_defaulted ... ok
[INFO] [stdout] test repl::tests::test_unknown_command_fails ... ok
[INFO] [stderr]    Doc-tests repl-rs
[INFO] [stdout] test repl::tests::test_initialize_sets_crate_values ... ok
[INFO] [stdout] test repl::tests::test_string_with_spaces_for_argument ... ok
[INFO] [stdout] test repl::tests::test_empty_line_does_nothing ... ok
[INFO] [stdout] test repl::tests::test_string_with_spaces_for_argument_last ... ok
[INFO] [stdout] test repl::tests::test_missing_required_arg_fails ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - (line 163) ... ok
[INFO] [stdout] test src/lib.rs - (line 54) ... ok
[INFO] [stdout] test src/lib.rs - (line 86) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.73s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b917c13ae81dac301c51102cdbfd2708fb23195024b1601fdecb5149f77ecfdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b917c13ae81dac301c51102cdbfd2708fb23195024b1601fdecb5149f77ecfdf", kill_on_drop: false }`
[INFO] [stdout] b917c13ae81dac301c51102cdbfd2708fb23195024b1601fdecb5149f77ecfdf