[INFO] fetching crate sourcemap 6.0.1...
[INFO] checking sourcemap-6.0.1 against beta for pr-78714
[INFO] extracting crate sourcemap 6.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sourcemap 6.0.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-4/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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49dfb24b02325f6bd6dd08e594bececcbf199e592b9d78ffc4e2408d371d2a7e
[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" "49dfb24b02325f6bd6dd08e594bececcbf199e592b9d78ffc4e2408d371d2a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49dfb24b02325f6bd6dd08e594bececcbf199e592b9d78ffc4e2408d371d2a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49dfb24b02325f6bd6dd08e594bececcbf199e592b9d78ffc4e2408d371d2a7e", kill_on_drop: false }`
[INFO] [stdout] 49dfb24b02325f6bd6dd08e594bececcbf199e592b9d78ffc4e2408d371d2a7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94f4601d68a05c4b5f44f3245a172405cc371bf2b02f0bdd6e366c7a55e4e695
[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" "94f4601d68a05c4b5f44f3245a172405cc371bf2b02f0bdd6e366c7a55e4e695", 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]    Compiling memchr v2.3.3
[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 percent-encoding v2.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking if_chain v1.0.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking sourcemap v6.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.82s
[INFO] running `Command { std: "docker" "inspect" "94f4601d68a05c4b5f44f3245a172405cc371bf2b02f0bdd6e366c7a55e4e695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f4601d68a05c4b5f44f3245a172405cc371bf2b02f0bdd6e366c7a55e4e695", kill_on_drop: false }`
[INFO] [stdout] 94f4601d68a05c4b5f44f3245a172405cc371bf2b02f0bdd6e366c7a55e4e695