[INFO] cloning repository https://github.com/esehara/rikai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/esehara/rikai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesehara%2Frikai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesehara%2Frikai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e951d1a83028d29b245d9e9e95baffd1c37b2d2
[INFO] checking esehara/rikai against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesehara%2Frikai" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/esehara/rikai
[INFO] finished tweaking git repo https://github.com/esehara/rikai
[INFO] tweaked toml for git repo https://github.com/esehara/rikai written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/esehara/rikai on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/esehara/rikai already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fe8e1e438e68e09bf2e2fed4faaf71ce9e9ff469b30d68c37492dcaaebfb038
[INFO] running `Command { std: "docker" "start" "-a" "7fe8e1e438e68e09bf2e2fed4faaf71ce9e9ff469b30d68c37492dcaaebfb038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fe8e1e438e68e09bf2e2fed4faaf71ce9e9ff469b30d68c37492dcaaebfb038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe8e1e438e68e09bf2e2fed4faaf71ce9e9ff469b30d68c37492dcaaebfb038", kill_on_drop: false }`
[INFO] [stdout] 7fe8e1e438e68e09bf2e2fed4faaf71ce9e9ff469b30d68c37492dcaaebfb038
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df242e5f857af090fedd88113bdbcee6c322efec22340b5bbb9bc98e3b8f0ef3
[INFO] running `Command { std: "docker" "start" "-a" "df242e5f857af090fedd88113bdbcee6c322efec22340b5bbb9bc98e3b8f0ef3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]     Checking dtoa-short v0.3.3
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking tera v1.10.0
[INFO] [stderr]     Checking scraper v0.12.0
[INFO] [stderr]     Checking rikai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     jsonfile: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     jsonfile: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rikai` (bin "rikai" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rikai` (bin "rikai") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "df242e5f857af090fedd88113bdbcee6c322efec22340b5bbb9bc98e3b8f0ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df242e5f857af090fedd88113bdbcee6c322efec22340b5bbb9bc98e3b8f0ef3", kill_on_drop: false }`
[INFO] [stdout] df242e5f857af090fedd88113bdbcee6c322efec22340b5bbb9bc98e3b8f0ef3
