[INFO] fetching crate fmtcalc 0.1.0...
[INFO] checking fmtcalc-0.1.0 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate fmtcalc 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fmtcalc 0.1.0 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fmtcalc 0.1.0
[INFO] finished tweaking crates.io crate fmtcalc 0.1.0
[INFO] tweaked toml for crates.io crate fmtcalc 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate fmtcalc 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive-enum-error v0.0.1
[INFO] [stderr]   Downloaded serde_json v1.0.56
[INFO] [stderr]   Downloaded dynfmt v0.1.4
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "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] 2aec020abf9a6c1bfeeb59a88f61772397bb3044dd92087bfec00ded4c9eb604
[INFO] running `Command { std: "docker" "start" "-a" "2aec020abf9a6c1bfeeb59a88f61772397bb3044dd92087bfec00ded4c9eb604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2aec020abf9a6c1bfeeb59a88f61772397bb3044dd92087bfec00ded4c9eb604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aec020abf9a6c1bfeeb59a88f61772397bb3044dd92087bfec00ded4c9eb604", kill_on_drop: false }`
[INFO] [stdout] 2aec020abf9a6c1bfeeb59a88f61772397bb3044dd92087bfec00ded4c9eb604
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] d4b1e238d1965a5e84165287ae21e51a253853e78668a48fd8e42f43fc36fcd0
[INFO] running `Command { std: "docker" "start" "-a" "d4b1e238d1965a5e84165287ae21e51a253853e78668a48fd8e42f43fc36fcd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling derive-enum-error v0.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking dynfmt v0.1.4
[INFO] [stderr]     Checking fmtcalc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.77s
[INFO] running `Command { std: "docker" "inspect" "d4b1e238d1965a5e84165287ae21e51a253853e78668a48fd8e42f43fc36fcd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b1e238d1965a5e84165287ae21e51a253853e78668a48fd8e42f43fc36fcd0", kill_on_drop: false }`
[INFO] [stdout] d4b1e238d1965a5e84165287ae21e51a253853e78668a48fd8e42f43fc36fcd0