[INFO] fetching crate sourcemap 6.0.1...
[INFO] checking sourcemap-6.0.1 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate sourcemap 6.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate sourcemap 6.0.1 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sourcemap 6.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sourcemap 6.0.1
[INFO] tweaked toml for crates.io crate sourcemap 6.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate sourcemap 6.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scroll_derive v0.10.2
[INFO] [stderr]   Downloaded syn v1.0.35
[INFO] [stderr]   Downloaded scroll v0.10.1
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c99a5987f49ce54baebd1e48fb1964e980bc7335a4b937f288aeb2042c52f37
[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" "3c99a5987f49ce54baebd1e48fb1964e980bc7335a4b937f288aeb2042c52f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c99a5987f49ce54baebd1e48fb1964e980bc7335a4b937f288aeb2042c52f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c99a5987f49ce54baebd1e48fb1964e980bc7335a4b937f288aeb2042c52f37", kill_on_drop: false }`
[INFO] [stdout] 3c99a5987f49ce54baebd1e48fb1964e980bc7335a4b937f288aeb2042c52f37
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a39cfba37037869529353978ec67b42117c5433ea3f0338fb920b56d78baae6e
[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" "a39cfba37037869529353978ec67b42117c5433ea3f0338fb920b56d78baae6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking if_chain v1.0.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking sourcemap v6.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.85s
[INFO] running `Command { std: "docker" "inspect" "a39cfba37037869529353978ec67b42117c5433ea3f0338fb920b56d78baae6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a39cfba37037869529353978ec67b42117c5433ea3f0338fb920b56d78baae6e", kill_on_drop: false }`
[INFO] [stdout] a39cfba37037869529353978ec67b42117c5433ea3f0338fb920b56d78baae6e