[INFO] fetching crate toml 0.5.8...
[INFO] checking toml-0.5.8 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate toml 0.5.8 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate toml 0.5.8 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate toml 0.5.8
[INFO] finished tweaking crates.io crate toml 0.5.8
[INFO] tweaked toml for crates.io crate toml 0.5.8 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate toml 0.5.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.4.24
[INFO] [stderr]   Downloaded quote v0.6.10
[INFO] [stderr]   Downloaded serde_derive v1.0.84
[INFO] [stderr]   Downloaded serde v1.0.98
[INFO] [stderr]   Downloaded syn v0.15.24
[INFO] [stderr]   Downloaded serde_json v1.0.34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ead21d82a77b8e83fd51c068476ca159b0ac952a2e007790ee787be6b3b1172
[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" "6ead21d82a77b8e83fd51c068476ca159b0ac952a2e007790ee787be6b3b1172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ead21d82a77b8e83fd51c068476ca159b0ac952a2e007790ee787be6b3b1172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ead21d82a77b8e83fd51c068476ca159b0ac952a2e007790ee787be6b3b1172", kill_on_drop: false }`
[INFO] [stdout] 6ead21d82a77b8e83fd51c068476ca159b0ac952a2e007790ee787be6b3b1172
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffaca932584463e668edd8560242936e1386e8f81c7ec2df0f0ec095bf39fe39
[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" "ffaca932584463e668edd8560242936e1386e8f81c7ec2df0f0ec095bf39fe39", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]     Checking serde_json v1.0.34
[INFO] [stderr]     Checking toml v0.5.8 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.09s
[INFO] running `Command { std: "docker" "inspect" "ffaca932584463e668edd8560242936e1386e8f81c7ec2df0f0ec095bf39fe39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffaca932584463e668edd8560242936e1386e8f81c7ec2df0f0ec095bf39fe39", kill_on_drop: false }`
[INFO] [stdout] ffaca932584463e668edd8560242936e1386e8f81c7ec2df0f0ec095bf39fe39