[INFO] fetching crate iota-utils 0.2.1...
[INFO] checking iota-utils-0.2.1 against master#c0bb140a37c81cf59a0b40c21c9413059644e294 for pr-129249-1
[INFO] extracting crate iota-utils 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate iota-utils 0.2.1
[INFO] finished tweaking crates.io crate iota-utils 0.2.1
[INFO] tweaked toml for crates.io crate iota-utils 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate iota-utils 0.2.1 on toolchain c0bb140a37c81cf59a0b40c21c9413059644e294
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0bb140a37c81cf59a0b40c21c9413059644e294" "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" "+c0bb140a37c81cf59a0b40c21c9413059644e294" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 56 packages to latest compatible versions
[INFO] [stderr]       Adding iota-conversion v0.3.0 (available: v0.5.1)
[INFO] [stderr]       Adding iota-crypto v0.3.0 (available: v0.23.2)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0bb140a37c81cf59a0b40c21c9413059644e294" "fetch" "--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-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 88d3e105a5d04deb49aeaa5f62e203b41bd4867b59b1944dd9b434cddc3fe764
[INFO] running `Command { std: "docker" "start" "88d3e105a5d04deb49aeaa5f62e203b41bd4867b59b1944dd9b434cddc3fe764", 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" "88d3e105a5d04deb49aeaa5f62e203b41bd4867b59b1944dd9b434cddc3fe764" "/opt/rustwide/cargo-home/bin/cargo" "+c0bb140a37c81cf59a0b40c21c9413059644e294" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88d3e105a5d04deb49aeaa5f62e203b41bd4867b59b1944dd9b434cddc3fe764", 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" "88d3e105a5d04deb49aeaa5f62e203b41bd4867b59b1944dd9b434cddc3fe764" "/opt/rustwide/cargo-home/bin/cargo" "+c0bb140a37c81cf59a0b40c21c9413059644e294" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.8.2
[INFO] [stderr]     Checking iota-constants v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking regex v1.12.4
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking iota-conversion v0.3.0
[INFO] [stderr]     Checking iota-crypto v0.3.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking iota-model v0.3.0
[INFO] [stderr]     Checking iota-validation v0.2.1
[INFO] [stderr]     Checking iota-utils v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.45s
[INFO] running `Command { std: "docker" "inspect" "88d3e105a5d04deb49aeaa5f62e203b41bd4867b59b1944dd9b434cddc3fe764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88d3e105a5d04deb49aeaa5f62e203b41bd4867b59b1944dd9b434cddc3fe764", kill_on_drop: false }`
[INFO] [stdout] 88d3e105a5d04deb49aeaa5f62e203b41bd4867b59b1944dd9b434cddc3fe764
