[INFO] cloning repository https://github.com/inq/tent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/inq/tent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finq%2Ftent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finq%2Ftent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2254cc86ef6e82270110d572d60bf5bf45d71651
[INFO] checking inq/tent against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finq%2Ftent" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/inq/tent on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/inq/tent
[INFO] removed workspace from git repo https://github.com/inq/tent
[INFO] removed path dependency tent_codegen from git repo https://github.com/inq/tent
[INFO] finished tweaking git repo https://github.com/inq/tent
[INFO] tweaked toml for git repo https://github.com/inq/tent written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/inq/tent already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-14/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[INFO] the lockfile is outdated, regenerating it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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7080916284dfb75724279035dfedd3f8355a1635d8cb9979920fade99342721
[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" "c7080916284dfb75724279035dfedd3f8355a1635d8cb9979920fade99342721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7080916284dfb75724279035dfedd3f8355a1635d8cb9979920fade99342721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7080916284dfb75724279035dfedd3f8355a1635d8cb9979920fade99342721", kill_on_drop: false }`
[INFO] [stdout] c7080916284dfb75724279035dfedd3f8355a1635d8cb9979920fade99342721
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9edde8b3accdbe39a7196d80f4049054e4b0a75934fae2a3cc076e29d2a7b8b
[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" "a9edde8b3accdbe39a7196d80f4049054e4b0a75934fae2a3cc076e29d2a7b8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling tent_codegen v0.0.9
[INFO] [stderr]     Checking tent v0.0.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.31s
[INFO] running `Command { std: "docker" "inspect" "a9edde8b3accdbe39a7196d80f4049054e4b0a75934fae2a3cc076e29d2a7b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9edde8b3accdbe39a7196d80f4049054e4b0a75934fae2a3cc076e29d2a7b8b", kill_on_drop: false }`
[INFO] [stdout] a9edde8b3accdbe39a7196d80f4049054e4b0a75934fae2a3cc076e29d2a7b8b