[INFO] fetching crate list_flattener 0.3.0...
[INFO] testing list_flattener-0.3.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate list_flattener 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate list_flattener 0.3.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate list_flattener 0.3.0
[INFO] finished tweaking crates.io crate list_flattener 0.3.0
[INFO] tweaked toml for crates.io crate list_flattener 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate list_flattener 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded cc v1.0.50
[INFO] [stderr]   Downloaded parse_int v0.4.0
[INFO] [stderr]   Downloaded xdg v2.2.0
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] [stderr]   Downloaded ctor v0.1.13
[INFO] [stderr]   Downloaded proc-macro2 v1.0.9
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded afl v0.6.0
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81217dd7b8c797160b84ab004fc4aee063752e3054a142d13a0ea1912950d147
[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" "81217dd7b8c797160b84ab004fc4aee063752e3054a142d13a0ea1912950d147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81217dd7b8c797160b84ab004fc4aee063752e3054a142d13a0ea1912950d147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81217dd7b8c797160b84ab004fc4aee063752e3054a142d13a0ea1912950d147", kill_on_drop: false }`
[INFO] [stdout] 81217dd7b8c797160b84ab004fc4aee063752e3054a142d13a0ea1912950d147
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", 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] a442c1cf27d49af056dd267fa80c1962f4a1d65faf98be13fd1e9dd41fc0b191
[INFO] running `Command { std: "docker" "start" "-a" "a442c1cf27d49af056dd267fa80c1962f4a1d65faf98be13fd1e9dd41fc0b191", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling parse_int v0.4.0
[INFO] [stderr]    Compiling list_flattener v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.86s
[INFO] running `Command { std: "docker" "inspect" "a442c1cf27d49af056dd267fa80c1962f4a1d65faf98be13fd1e9dd41fc0b191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a442c1cf27d49af056dd267fa80c1962f4a1d65faf98be13fd1e9dd41fc0b191", kill_on_drop: false }`
[INFO] [stdout] a442c1cf27d49af056dd267fa80c1962f4a1d65faf98be13fd1e9dd41fc0b191
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef34a9ce5c6cbc89513f99f1f65f6b9e2488ee1d8c66ee51abdaa883049402e9
[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" "ef34a9ce5c6cbc89513f99f1f65f6b9e2488ee1d8c66ee51abdaa883049402e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling list_flattener v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `Command { std: "docker" "inspect" "ef34a9ce5c6cbc89513f99f1f65f6b9e2488ee1d8c66ee51abdaa883049402e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef34a9ce5c6cbc89513f99f1f65f6b9e2488ee1d8c66ee51abdaa883049402e9", kill_on_drop: false }`
[INFO] [stdout] ef34a9ce5c6cbc89513f99f1f65f6b9e2488ee1d8c66ee51abdaa883049402e9
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2bfea46bffcdd6030df055fca0ee476a8c58ee10d37ab0e04a97c56c6b3283ef
[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" "2bfea46bffcdd6030df055fca0ee476a8c58ee10d37ab0e04a97c56c6b3283ef", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 21 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/list_flattener-3c5d84af44cc15ff
[INFO] [stdout] test test_parser::empty_list ... ok
[INFO] [stdout] test test_parser::incomplete_input ... ok
[INFO] [stdout] test test_parser::decreasing_nested_list ... ok
[INFO] [stdout] test test_flatter::descending ... ok
[INFO] [stdout] test test_parser::increasing_nested_list ... ok
[INFO] [stdout] test test_flatter::flat_flat ... ok
[INFO] [stdout] test test_flatter::ascending ... ok
[INFO] [stdout] test test_flatter::single ... ok
[INFO] [stdout] test test_e2e::deep ... ok
[INFO] [stdout] test test_parser::invalid_element ... ok
[INFO] [stdout] test test_parser::tailing_input ... ok
[INFO] [stdout] test test_parser::naked_num ... ok
[INFO] [stdout] test test_parser::just_closed ... ok
[INFO] [stdout] test test_parser::missing_comma ... ok
[INFO] [stdout] test test_e2e::deep_hex ... ok
[INFO] [stdout] test test_parser_tools::do_peek ... ok
[INFO] [stdout] test test_parser::linear_list_trim ... ok
[INFO] [stdout] test test_parser::naked_hex_num ... ok
[INFO] [stdout] test test_parser::linear_list ... ok
[INFO] [stdout] test test_parser_tools::do_skip_whitespace ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/list_flattener-5cf9d014a91161af
[INFO] [stdout] test test_parser_tools::incomplete_peek ... ok
[INFO] [stderr]    Doc-tests list_flattener
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [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 `Command { std: "docker" "inspect" "2bfea46bffcdd6030df055fca0ee476a8c58ee10d37ab0e04a97c56c6b3283ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bfea46bffcdd6030df055fca0ee476a8c58ee10d37ab0e04a97c56c6b3283ef", kill_on_drop: false }`
[INFO] [stdout] 2bfea46bffcdd6030df055fca0ee476a8c58ee10d37ab0e04a97c56c6b3283ef