[INFO] fetching crate symbolic-sourcemap 8.3.0...
[INFO] checking symbolic-sourcemap-8.3.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate symbolic-sourcemap 8.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate symbolic-sourcemap 8.3.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbolic-sourcemap 8.3.0
[INFO] finished tweaking crates.io crate symbolic-sourcemap 8.3.0
[INFO] tweaked toml for crates.io crate symbolic-sourcemap 8.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b19029650a6630c4a24ed83a9d1bd572d607e1f4bae9713bf5863e30083f6070
[INFO] running `Command { std: "docker" "start" "-a" "b19029650a6630c4a24ed83a9d1bd572d607e1f4bae9713bf5863e30083f6070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b19029650a6630c4a24ed83a9d1bd572d607e1f4bae9713bf5863e30083f6070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b19029650a6630c4a24ed83a9d1bd572d607e1f4bae9713bf5863e30083f6070", kill_on_drop: false }`
[INFO] [stdout] b19029650a6630c4a24ed83a9d1bd572d607e1f4bae9713bf5863e30083f6070
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 322655f34d4c3bb5fa0fe628823716664e275a89ef08591e0bf67afc26202bbf
[INFO] running `Command { std: "docker" "start" "-a" "322655f34d4c3bb5fa0fe628823716664e275a89ef08591e0bf67afc26202bbf", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking if_chain v1.0.1
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking similar v1.3.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking similar-asserts v1.1.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking sourcemap v6.0.1
[INFO] [stderr]     Checking symbolic-sourcemap v8.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.86s
[INFO] running `Command { std: "docker" "inspect" "322655f34d4c3bb5fa0fe628823716664e275a89ef08591e0bf67afc26202bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "322655f34d4c3bb5fa0fe628823716664e275a89ef08591e0bf67afc26202bbf", kill_on_drop: false }`
[INFO] [stdout] 322655f34d4c3bb5fa0fe628823716664e275a89ef08591e0bf67afc26202bbf