[INFO] fetching crate externalities 0.8.1...
[INFO] checking externalities-0.8.1 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate externalities 0.8.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate externalities 0.8.1 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate externalities 0.8.1
[INFO] finished tweaking crates.io crate externalities 0.8.1
[INFO] tweaked toml for crates.io crate externalities 0.8.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded environ v1.1.2
[INFO] [stderr]   Downloaded tetcore-storage v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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] 712f9bf9695c20c4060146ddfd33043206ca6011340ac86ab534f7380c28777d
[INFO] running `Command { std: "docker" "start" "-a" "712f9bf9695c20c4060146ddfd33043206ca6011340ac86ab534f7380c28777d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "712f9bf9695c20c4060146ddfd33043206ca6011340ac86ab534f7380c28777d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "712f9bf9695c20c4060146ddfd33043206ca6011340ac86ab534f7380c28777d", kill_on_drop: false }`
[INFO] [stdout] 712f9bf9695c20c4060146ddfd33043206ca6011340ac86ab534f7380c28777d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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] 31c5c53f4e44d2d4a72da2d4f176d04608617f9be08991d74f04951f91cd3b20
[INFO] running `Command { std: "docker" "start" "-a" "31c5c53f4e44d2d4a72da2d4f176d04608617f9be08991d74f04951f91cd3b20", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking byte-slice-cast v1.0.0
[INFO] [stderr]     Checking tetcore-std v2.0.1
[INFO] [stderr]     Checking environ v1.1.2
[INFO] [stderr]     Checking bitvec v0.20.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling debug-derive v2.0.1
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling tetsy-scale-codec-derive v2.0.1
[INFO] [stderr]     Checking tetsy-scale-codec v2.0.1
[INFO] [stderr]     Checking tetcore-storage v2.0.1
[INFO] [stderr]     Checking externalities v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.02s
[INFO] running `Command { std: "docker" "inspect" "31c5c53f4e44d2d4a72da2d4f176d04608617f9be08991d74f04951f91cd3b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c5c53f4e44d2d4a72da2d4f176d04608617f9be08991d74f04951f91cd3b20", kill_on_drop: false }`
[INFO] [stdout] 31c5c53f4e44d2d4a72da2d4f176d04608617f9be08991d74f04951f91cd3b20