[INFO] fetching crate jsonfmt 0.4.1... [INFO] checking jsonfmt-0.4.1 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056 [INFO] extracting crate jsonfmt 0.4.1 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate jsonfmt 0.4.1 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate jsonfmt 0.4.1 [INFO] finished tweaking crates.io crate jsonfmt 0.4.1 [INFO] tweaked toml for crates.io crate jsonfmt 0.4.1 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate crates.io crate jsonfmt 0.4.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pico-args v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 743ab84edb7be3979a4f292687eb93548fe0e6353ef2595c45422d3fcb410b0e [INFO] running `Command { std: "docker" "start" "-a" "743ab84edb7be3979a4f292687eb93548fe0e6353ef2595c45422d3fcb410b0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "743ab84edb7be3979a4f292687eb93548fe0e6353ef2595c45422d3fcb410b0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "743ab84edb7be3979a4f292687eb93548fe0e6353ef2595c45422d3fcb410b0e", kill_on_drop: false }` [INFO] [stdout] 743ab84edb7be3979a4f292687eb93548fe0e6353ef2595c45422d3fcb410b0e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e97f3621fe4a6eeb7d55309493e94c24e68514e4ff723a446d57af69b9037a2 [INFO] running `Command { std: "docker" "start" "-a" "6e97f3621fe4a6eeb7d55309493e94c24e68514e4ff723a446d57af69b9037a2", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking pico-args v0.3.0 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking jsonfmt v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: allow(dead_code) incompatible with previous forbid [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(forbidden_lint_groups)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #81670 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: allow(unreachable_code) incompatible with previous forbid [INFO] [stdout] --> src/main.rs:37:22 [INFO] [stdout] | [INFO] [stdout] 1 | #![forbid(warnings)] [INFO] [stdout] | -------- `forbid` level set here [INFO] [stdout] ... [INFO] [stdout] 37 | output_file: args.opt_value_from_str("-o")?, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(forbidden_lint_groups)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #81670 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: allow(unreachable_code) incompatible with previous forbid [INFO] [stdout] --> src/main.rs:39:15 [INFO] [stdout] | [INFO] [stdout] 1 | #![forbid(warnings)] [INFO] [stdout] | -------- `forbid` level set here [INFO] [stdout] ... [INFO] [stdout] 39 | free: args.free()?, [INFO] [stdout] | ^^^^^^^^^^^^ overruled by previous forbid [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #81670 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: allow(unreachable_code) incompatible with previous forbid [INFO] [stdout] --> src/main.rs:37:22 [INFO] [stdout] | [INFO] [stdout] 1 | #![forbid(warnings)] [INFO] [stdout] | -------- `forbid` level set here [INFO] [stdout] ... [INFO] [stdout] 37 | output_file: args.opt_value_from_str("-o")?, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #81670 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: allow(unreachable_code) incompatible with previous forbid [INFO] [stdout] --> src/main.rs:39:15 [INFO] [stdout] | [INFO] [stdout] 1 | #![forbid(warnings)] [INFO] [stdout] | -------- `forbid` level set here [INFO] [stdout] ... [INFO] [stdout] 39 | free: args.free()?, [INFO] [stdout] | ^^^^^^^^^^^^ overruled by previous forbid [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #81670 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.76s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6e97f3621fe4a6eeb7d55309493e94c24e68514e4ff723a446d57af69b9037a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e97f3621fe4a6eeb7d55309493e94c24e68514e4ff723a446d57af69b9037a2", kill_on_drop: false }` [INFO] [stdout] 6e97f3621fe4a6eeb7d55309493e94c24e68514e4ff723a446d57af69b9037a2