[INFO] fetching crate observable-btree 0.1.0...
[INFO] checking observable-btree-0.1.0 against master#ff647322379c48947c196639599067665ff9eb88 for pr-151539-1
[INFO] extracting crate observable-btree 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate observable-btree 0.1.0
[INFO] finished tweaking crates.io crate observable-btree 0.1.0
[INFO] tweaked toml for crates.io crate observable-btree 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate observable-btree 0.1.0 on toolchain ff647322379c48947c196639599067665ff9eb88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate observable-btree 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.1.0
[INFO] [stderr]   Downloaded quote v1.0.9
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.18
[INFO] [stderr]   Downloaded instant v0.1.9
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded num_cpus v1.13.0
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded parking_lot_core v0.8.3
[INFO] [stderr]   Downloaded once_cell v1.7.2
[INFO] [stderr]   Downloaded pin-project-lite v0.2.6
[INFO] [stderr]   Downloaded lock_api v0.4.2
[INFO] [stderr]   Downloaded signal-hook-registry v1.3.0
[INFO] [stderr]   Downloaded smallvec v1.6.1
[INFO] [stderr]   Downloaded redox_syscall v0.2.5
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded socket2 v0.3.19
[INFO] [stderr]   Downloaded syn v1.0.64
[INFO] [stderr]   Downloaded parking_lot v0.11.1
[INFO] [stderr]   Downloaded miow v0.3.6
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded bytes v1.0.1
[INFO] [stderr]   Downloaded mio v0.7.10
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded tokio v1.3.0
[INFO] [stderr]   Downloaded libc v0.2.89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 19d8378a5a945e0103443b8d30b26734d72fa6d529b413c1cba6517eadb9f486
[INFO] running `Command { std: "docker" "start" "19d8378a5a945e0103443b8d30b26734d72fa6d529b413c1cba6517eadb9f486", 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" "19d8378a5a945e0103443b8d30b26734d72fa6d529b413c1cba6517eadb9f486" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19d8378a5a945e0103443b8d30b26734d72fa6d529b413c1cba6517eadb9f486", 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" "19d8378a5a945e0103443b8d30b26734d72fa6d529b413c1cba6517eadb9f486" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.10
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking observable-btree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.56s
[INFO] running `Command { std: "docker" "inspect" "19d8378a5a945e0103443b8d30b26734d72fa6d529b413c1cba6517eadb9f486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d8378a5a945e0103443b8d30b26734d72fa6d529b413c1cba6517eadb9f486", kill_on_drop: false }`
[INFO] [stdout] 19d8378a5a945e0103443b8d30b26734d72fa6d529b413c1cba6517eadb9f486
