[INFO] fetching crate picobu 1.0.4...
[INFO] checking picobu-1.0.4 against master#cced03bfd61a304243a34504618ecec86c17063f for pr-157082
[INFO] extracting crate picobu 1.0.4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate picobu 1.0.4
[INFO] finished tweaking crates.io crate picobu 1.0.4
[INFO] tweaked toml for crates.io crate picobu 1.0.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate picobu 1.0.4 on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 77 packages to latest compatible versions
[INFO] [stderr]       Adding hotwatch v0.3.1 (available: v0.5.0)
[INFO] [stderr]       Adding structopt v0.2.18 (available: v0.3.26)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inotify v0.7.1
[INFO] [stderr]   Downloaded notify v4.0.18
[INFO] [stderr]   Downloaded syn v0.13.11
[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded hotwatch v0.3.1
[INFO] [stderr]   Downloaded derive_more v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 39557a9c93a61df79f1934d277ff905f063695e621c10cced6cc2ef4aa96d2bd
[INFO] running `Command { std: "docker" "start" "39557a9c93a61df79f1934d277ff905f063695e621c10cced6cc2ef4aa96d2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "39557a9c93a61df79f1934d277ff905f063695e621c10cced6cc2ef4aa96d2bd" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39557a9c93a61df79f1934d277ff905f063695e621c10cced6cc2ef4aa96d2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "39557a9c93a61df79f1934d277ff905f063695e621c10cced6cc2ef4aa96d2bd" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.29
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking nix v0.31.3
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking ctrlc v3.5.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling derive_more v0.11.0
[INFO] [stderr]     Checking hotwatch v0.3.1
[INFO] [stderr]     Checking picobu v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.39s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 8`
[INFO] running `Command { std: "docker" "inspect" "39557a9c93a61df79f1934d277ff905f063695e621c10cced6cc2ef4aa96d2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39557a9c93a61df79f1934d277ff905f063695e621c10cced6cc2ef4aa96d2bd", kill_on_drop: false }`
[INFO] [stdout] 39557a9c93a61df79f1934d277ff905f063695e621c10cced6cc2ef4aa96d2bd
