[INFO] cloning repository https://github.com/masa-suzu/rson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/masa-suzu/rson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasa-suzu%2Frson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasa-suzu%2Frson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e3754c5d2445350340333b94cecf2dfb2f82198
[INFO] testing masa-suzu/rson against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasa-suzu%2Frson" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/masa-suzu/rson 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 git repo https://github.com/masa-suzu/rson
[INFO] finished tweaking git repo https://github.com/masa-suzu/rson
[INFO] tweaked toml for git repo https://github.com/masa-suzu/rson written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/masa-suzu/rson 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] abdc98c250c6e13d5004d363115b0293af65076fcc523ff9d6143f9de2463fb4
[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" "abdc98c250c6e13d5004d363115b0293af65076fcc523ff9d6143f9de2463fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abdc98c250c6e13d5004d363115b0293af65076fcc523ff9d6143f9de2463fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abdc98c250c6e13d5004d363115b0293af65076fcc523ff9d6143f9de2463fb4", kill_on_drop: false }`
[INFO] [stdout] abdc98c250c6e13d5004d363115b0293af65076fcc523ff9d6143f9de2463fb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 19766562f14358876499435fb7074e81ee9b6cf9fde5c6c0e360bc2c11e2d6ed
[INFO] running `Command { std: "docker" "start" "-a" "19766562f14358876499435fb7074e81ee9b6cf9fde5c6c0e360bc2c11e2d6ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling nom v5.0.0
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.2
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling rson v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.07s
[INFO] running `Command { std: "docker" "inspect" "19766562f14358876499435fb7074e81ee9b6cf9fde5c6c0e360bc2c11e2d6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19766562f14358876499435fb7074e81ee9b6cf9fde5c6c0e360bc2c11e2d6ed", kill_on_drop: false }`
[INFO] [stdout] 19766562f14358876499435fb7074e81ee9b6cf9fde5c6c0e360bc2c11e2d6ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 28cbc59ae246510e7ee74ed41ca33dc79374e2f0ce4d011c92b760765880af46
[INFO] running `Command { std: "docker" "start" "-a" "28cbc59ae246510e7ee74ed41ca33dc79374e2f0ce4d011c92b760765880af46", kill_on_drop: false }`
[INFO] [stderr]    Compiling rson v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/ep.rs:84:28
[INFO] [stdout]    |
[INFO] [stdout] 84 |             Ok(Root::Array(a)) => unreachable!(),
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "28cbc59ae246510e7ee74ed41ca33dc79374e2f0ce4d011c92b760765880af46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28cbc59ae246510e7ee74ed41ca33dc79374e2f0ce4d011c92b760765880af46", kill_on_drop: false }`
[INFO] [stdout] 28cbc59ae246510e7ee74ed41ca33dc79374e2f0ce4d011c92b760765880af46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] da84429ac8303c98e41cc0c6a61cc59966c4afc8dc984ea5ec0cb2f69f9ff28c
[INFO] running `Command { std: "docker" "start" "-a" "da84429ac8303c98e41cc0c6a61cc59966c4afc8dc984ea5ec0cb2f69f9ff28c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/ep.rs:84:28
[INFO] [stderr]    |
[INFO] [stderr] 84 |             Ok(Root::Array(a)) => unreachable!(),
[INFO] [stderr]    |                            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rson-217f7dc99c2b8e5e
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test combinator::tests::boolean ... ok
[INFO] [stdout] test combinator::tests::number ... ok
[INFO] [stdout] test combinator::tests::array ... ok
[INFO] [stdout] test combinator::tests::string ... ok
[INFO] [stdout] test combinator::tests::object ... ok
[INFO] [stdout] test json::tests::json_array ... ok
[INFO] [stdout] test combinator::tests::root ... ok
[INFO] [stdout] test json::tests::json_bool ... ok
[INFO] [stdout] test json::tests::json_string ... ok
[INFO] [stdout] test ep::tests::parse_full ... ok
[INFO] [stdout] test json::tests::json_null ... ok
[INFO] [stdout] test json::tests::json_number ... ok
[INFO] [stdout] test json::tests::json_object ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rson-ef586f98402737a8
[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 rson
[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" "da84429ac8303c98e41cc0c6a61cc59966c4afc8dc984ea5ec0cb2f69f9ff28c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da84429ac8303c98e41cc0c6a61cc59966c4afc8dc984ea5ec0cb2f69f9ff28c", kill_on_drop: false }`
[INFO] [stdout] da84429ac8303c98e41cc0c6a61cc59966c4afc8dc984ea5ec0cb2f69f9ff28c