[INFO] fetching crate jsonfmt 0.4.1... [INFO] checking jsonfmt-0.4.1 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] extracting crate jsonfmt 0.4.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate jsonfmt 0.4.1 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "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-2/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" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", 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] 73eca5c71900d9983f9bb564121d5cadc17feff4e52f16eff03eccd339060311 [INFO] running `Command { std: "docker" "start" "-a" "73eca5c71900d9983f9bb564121d5cadc17feff4e52f16eff03eccd339060311", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "73eca5c71900d9983f9bb564121d5cadc17feff4e52f16eff03eccd339060311", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73eca5c71900d9983f9bb564121d5cadc17feff4e52f16eff03eccd339060311", kill_on_drop: false }` [INFO] [stdout] 73eca5c71900d9983f9bb564121d5cadc17feff4e52f16eff03eccd339060311 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 054cfc0dc3cddb05f3e6c69b4dcecb04d3ded4fe76525dacb731d0888f57d3d3 [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" "054cfc0dc3cddb05f3e6c69b4dcecb04d3ded4fe76525dacb731d0888f57d3d3", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling serde v1.0.102 [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(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: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: 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] = 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(dead_code) incompatible with 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 9.54s [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "054cfc0dc3cddb05f3e6c69b4dcecb04d3ded4fe76525dacb731d0888f57d3d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "054cfc0dc3cddb05f3e6c69b4dcecb04d3ded4fe76525dacb731d0888f57d3d3", kill_on_drop: false }` [INFO] [stdout] 054cfc0dc3cddb05f3e6c69b4dcecb04d3ded4fe76525dacb731d0888f57d3d3