[INFO] fetching crate json5-to-json 0.1.2... [INFO] checking json5-to-json-0.1.2 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015 [INFO] extracting crate json5-to-json 0.1.2 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate json5-to-json 0.1.2 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate json5-to-json 0.1.2 [INFO] finished tweaking crates.io crate json5-to-json 0.1.2 [INFO] tweaked toml for crates.io crate json5-to-json 0.1.2 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c60a5e640fb9baadb83e1bb1516058f712abbf3afef7699f7a72a172d6e3abf [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" "0c60a5e640fb9baadb83e1bb1516058f712abbf3afef7699f7a72a172d6e3abf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c60a5e640fb9baadb83e1bb1516058f712abbf3afef7699f7a72a172d6e3abf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c60a5e640fb9baadb83e1bb1516058f712abbf3afef7699f7a72a172d6e3abf", kill_on_drop: false }` [INFO] [stdout] 0c60a5e640fb9baadb83e1bb1516058f712abbf3afef7699f7a72a172d6e3abf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--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] 26c95f3a164f392564be369aaf5191dde067fd2ebb6fc1432674ddbd3c6c464d [INFO] running `Command { std: "docker" "start" "-a" "26c95f3a164f392564be369aaf5191dde067fd2ebb6fc1432674ddbd3c6c464d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.58 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking json5 v0.2.8 [INFO] [stderr] Checking json5-to-json v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:7:32 [INFO] [stdout] | [INFO] [stdout] 7 | fn run() -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:7:32 [INFO] [stdout] | [INFO] [stdout] 7 | fn run() -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.49s [INFO] running `Command { std: "docker" "inspect" "26c95f3a164f392564be369aaf5191dde067fd2ebb6fc1432674ddbd3c6c464d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26c95f3a164f392564be369aaf5191dde067fd2ebb6fc1432674ddbd3c6c464d", kill_on_drop: false }` [INFO] [stdout] 26c95f3a164f392564be369aaf5191dde067fd2ebb6fc1432674ddbd3c6c464d