[INFO] fetching crate serde_token 0.0.2...
[INFO] checking serde_token-0.0.2 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate serde_token 0.0.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate serde_token 0.0.2 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_token 0.0.2
[INFO] finished tweaking crates.io crate serde_token 0.0.2
[INFO] tweaked toml for crates.io crate serde_token 0.0.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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] 1b7fe345e9ce930afe964182b363a02aab6fe6b677322b8d1b962764b226e63d
[INFO] running `Command { std: "docker" "start" "-a" "1b7fe345e9ce930afe964182b363a02aab6fe6b677322b8d1b962764b226e63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b7fe345e9ce930afe964182b363a02aab6fe6b677322b8d1b962764b226e63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7fe345e9ce930afe964182b363a02aab6fe6b677322b8d1b962764b226e63d", kill_on_drop: false }`
[INFO] [stdout] 1b7fe345e9ce930afe964182b363a02aab6fe6b677322b8d1b962764b226e63d
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 341a51d67a886902d3701d8891b20340caf65d3a920e8c3dc3747d073d9b8152
[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" "341a51d67a886902d3701d8891b20340caf65d3a920e8c3dc3747d073d9b8152", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking serde-transcode v1.1.0
[INFO] [stderr]     Checking serde_token v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.73s
[INFO] running `Command { std: "docker" "inspect" "341a51d67a886902d3701d8891b20340caf65d3a920e8c3dc3747d073d9b8152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "341a51d67a886902d3701d8891b20340caf65d3a920e8c3dc3747d073d9b8152", kill_on_drop: false }`
[INFO] [stdout] 341a51d67a886902d3701d8891b20340caf65d3a920e8c3dc3747d073d9b8152