[INFO] cloning repository https://github.com/kayabaNerve/core-json [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kayabaNerve/core-json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FkayabaNerve%2Fcore-json", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FkayabaNerve%2Fcore-json'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] eb708224625e341b6d5b6ffa1857eeefd6597a06 [INFO] checking kayabaNerve/core-json 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%2FkayabaNerve%2Fcore-json" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/kayabaNerve/core-json [INFO] finished tweaking git repo https://github.com/kayabaNerve/core-json [INFO] tweaked toml for git repo https://github.com/kayabaNerve/core-json written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kayabaNerve/core-json 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/kayabaNerve/core-json 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 16cd9662c7d0fb6bdee5d7d128a267f46a420f052a38a21daf21e31598b1a726 [INFO] running `Command { std: "docker" "start" "-a" "16cd9662c7d0fb6bdee5d7d128a267f46a420f052a38a21daf21e31598b1a726", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "16cd9662c7d0fb6bdee5d7d128a267f46a420f052a38a21daf21e31598b1a726", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16cd9662c7d0fb6bdee5d7d128a267f46a420f052a38a21daf21e31598b1a726", kill_on_drop: false }` [INFO] [stdout] 16cd9662c7d0fb6bdee5d7d128a267f46a420f052a38a21daf21e31598b1a726 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4e9d29e8449c9552151f2a90a7ba40128db1d189e631263a9df5cc683bba3911 [INFO] running `Command { std: "docker" "start" "-a" "4e9d29e8449c9552151f2a90a7ba40128db1d189e631263a9df5cc683bba3911", kill_on_drop: false }` [INFO] [stderr] Checking core-json v0.4.0 (/opt/rustwide/workdir/core) [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Checking memchr v2.7.6 [INFO] [stderr] Checking embedded-io v0.7.1 [INFO] [stderr] Compiling core-json-derive v0.4.1 (/opt/rustwide/workdir/derive) [INFO] [stderr] Checking core-json-traits v0.4.1 (/opt/rustwide/workdir/traits) [INFO] [stderr] Checking core-json-embedded-io v0.4.0 (/opt/rustwide/workdir/embedded-io) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> traits/src/primitives.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | / value [INFO] [stdout] 59 | | .to_number()? [INFO] [stdout] 60 | | .i64() [INFO] [stdout] 61 | | .ok_or(JsonError::TypeError)? [INFO] [stdout] 62 | | .try_into() [INFO] [stdout] | |_____________________^ [INFO] [stdout] ... [INFO] [stdout] 88 | int_primitive!(i64); [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the macro `int_primitive` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> traits/src/primitives.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | / value [INFO] [stdout] 59 | | .to_number()? [INFO] [stdout] 60 | | .i64() [INFO] [stdout] 61 | | .ok_or(JsonError::TypeError)? [INFO] [stdout] 62 | | .try_into() [INFO] [stdout] | |_____________________^ [INFO] [stdout] ... [INFO] [stdout] 89 | int_primitive!(i128); [INFO] [stdout] | -------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `int_primitive` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `core-json-traits` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> traits/src/primitives.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | / value [INFO] [stdout] 59 | | .to_number()? [INFO] [stdout] 60 | | .i64() [INFO] [stdout] 61 | | .ok_or(JsonError::TypeError)? [INFO] [stdout] 62 | | .try_into() [INFO] [stdout] | |_____________________^ [INFO] [stdout] ... [INFO] [stdout] 88 | int_primitive!(i64); [INFO] [stdout] | ------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the macro `int_primitive` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> traits/src/primitives.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | / value [INFO] [stdout] 59 | | .to_number()? [INFO] [stdout] 60 | | .i64() [INFO] [stdout] 61 | | .ok_or(JsonError::TypeError)? [INFO] [stdout] 62 | | .try_into() [INFO] [stdout] | |_____________________^ [INFO] [stdout] ... [INFO] [stdout] 89 | int_primitive!(i128); [INFO] [stdout] | -------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `int_primitive` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `core-json-traits` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "4e9d29e8449c9552151f2a90a7ba40128db1d189e631263a9df5cc683bba3911", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e9d29e8449c9552151f2a90a7ba40128db1d189e631263a9df5cc683bba3911", kill_on_drop: false }` [INFO] [stdout] 4e9d29e8449c9552151f2a90a7ba40128db1d189e631263a9df5cc683bba3911