[INFO] fetching crate symbolic-sourcemap 7.4.0...
[INFO] checking symbolic-sourcemap-7.4.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate symbolic-sourcemap 7.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate symbolic-sourcemap 7.4.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbolic-sourcemap 7.4.0
[INFO] finished tweaking crates.io crate symbolic-sourcemap 7.4.0
[INFO] tweaked toml for crates.io crate symbolic-sourcemap 7.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sourcemap v5.0.0
[INFO] [stderr]   Downloaded if_chain v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69478fc8fb08d5fe8e15c47acb396f958e22de27c030f525295200350b8d3b17
[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" "69478fc8fb08d5fe8e15c47acb396f958e22de27c030f525295200350b8d3b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69478fc8fb08d5fe8e15c47acb396f958e22de27c030f525295200350b8d3b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69478fc8fb08d5fe8e15c47acb396f958e22de27c030f525295200350b8d3b17", kill_on_drop: false }`
[INFO] [stdout] 69478fc8fb08d5fe8e15c47acb396f958e22de27c030f525295200350b8d3b17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24ccdcf42b997ac41bc5e31c7e84aef2647c42953855dedc0407a16f28151302
[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" "24ccdcf42b997ac41bc5e31c7e84aef2647c42953855dedc0407a16f28151302", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking if_chain v0.1.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking sourcemap v5.0.0
[INFO] [stderr]     Checking symbolic-sourcemap v7.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.16s
[INFO] running `Command { std: "docker" "inspect" "24ccdcf42b997ac41bc5e31c7e84aef2647c42953855dedc0407a16f28151302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ccdcf42b997ac41bc5e31c7e84aef2647c42953855dedc0407a16f28151302", kill_on_drop: false }`
[INFO] [stdout] 24ccdcf42b997ac41bc5e31c7e84aef2647c42953855dedc0407a16f28151302