[INFO] cloning repository https://github.com/themadprofessor/rash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/themadprofessor/rash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemadprofessor%2Frash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemadprofessor%2Frash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81efcadd9f582f8110fea37b3ca85ccd89eac2b8
[INFO] checking themadprofessor/rash against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemadprofessor%2Frash" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/themadprofessor/rash 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 git repo https://github.com/themadprofessor/rash
[INFO] finished tweaking git repo https://github.com/themadprofessor/rash
[INFO] tweaked toml for git repo https://github.com/themadprofessor/rash written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/themadprofessor/rash 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] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 keccak v0.1.0
[INFO] [stderr]   Downloaded blake2 v0.7.1
[INFO] [stderr]   Downloaded assert_cli v0.6.3
[INFO] [stderr]   Downloaded ripemd160 v0.7.0
[INFO] [stderr]   Downloaded environment v0.1.1
[INFO] [stderr]   Downloaded test-case-derive v0.2.3
[INFO] [stderr]   Downloaded sha3 v0.7.3
[INFO] [stderr]   Downloaded block-buffer v0.2.0-tmp
[INFO] [stderr]   Downloaded groestl v0.7.0
[INFO] [stderr]   Downloaded md-5 v0.7.0
[INFO] [stderr]   Downloaded whirlpool v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 1002f01d78b261a63b8294f4297befdade40d7c3165cf9f06f8baa224530d8ff
[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" "1002f01d78b261a63b8294f4297befdade40d7c3165cf9f06f8baa224530d8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1002f01d78b261a63b8294f4297befdade40d7c3165cf9f06f8baa224530d8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1002f01d78b261a63b8294f4297befdade40d7c3165cf9f06f8baa224530d8ff", kill_on_drop: false }`
[INFO] [stdout] 1002f01d78b261a63b8294f4297befdade40d7c3165cf9f06f8baa224530d8ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 7a10cfd9eb1b1b7d1847aa60a345b0eff2dc39cecfa1ecee141009a7ad20b63a
[INFO] running `Command { std: "docker" "start" "-a" "7a10cfd9eb1b1b7d1847aa60a345b0eff2dc39cecfa1ecee141009a7ad20b63a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking typenum v1.12.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking block-buffer v0.2.0-tmp
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking groestl v0.7.0
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking blake2 v0.7.1
[INFO] [stderr]     Checking whirlpool v0.7.1
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking ripemd160 v0.7.0
[INFO] [stderr]     Checking sha3 v0.7.3
[INFO] [stderr]    Compiling test-case-derive v0.2.3
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rash v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking assert_cli v0.6.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.78s
[INFO] running `Command { std: "docker" "inspect" "7a10cfd9eb1b1b7d1847aa60a345b0eff2dc39cecfa1ecee141009a7ad20b63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a10cfd9eb1b1b7d1847aa60a345b0eff2dc39cecfa1ecee141009a7ad20b63a", kill_on_drop: false }`
[INFO] [stdout] 7a10cfd9eb1b1b7d1847aa60a345b0eff2dc39cecfa1ecee141009a7ad20b63a