[INFO] fetching crate structured 0.2.1...
[INFO] checking structured-0.2.1 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] extracting crate structured 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate structured 0.2.1 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structured 0.2.1
[INFO] finished tweaking crates.io crate structured 0.2.1
[INFO] tweaked toml for crates.io crate structured 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5da530f63683a3f59871e875f0f9cc0c9f81776dfcaafd679b4ee083c29b14ff
[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" "5da530f63683a3f59871e875f0f9cc0c9f81776dfcaafd679b4ee083c29b14ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5da530f63683a3f59871e875f0f9cc0c9f81776dfcaafd679b4ee083c29b14ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5da530f63683a3f59871e875f0f9cc0c9f81776dfcaafd679b4ee083c29b14ff", kill_on_drop: false }`
[INFO] [stdout] 5da530f63683a3f59871e875f0f9cc0c9f81776dfcaafd679b4ee083c29b14ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0eb1e4e3ce2f9a7f27ba743681aa91acb33f695eb544342b71e5276d59e9da9
[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" "c0eb1e4e3ce2f9a7f27ba743681aa91acb33f695eb544342b71e5276d59e9da9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking statistical v1.0.0
[INFO] [stderr]     Checking dashmap v3.11.10
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling strum_macros v0.19.2
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking structured v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.95s
[INFO] running `Command { std: "docker" "inspect" "c0eb1e4e3ce2f9a7f27ba743681aa91acb33f695eb544342b71e5276d59e9da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0eb1e4e3ce2f9a7f27ba743681aa91acb33f695eb544342b71e5276d59e9da9", kill_on_drop: false }`
[INFO] [stdout] c0eb1e4e3ce2f9a7f27ba743681aa91acb33f695eb544342b71e5276d59e9da9