[INFO] fetching crate frugalos_core 1.2.0...
[INFO] checking frugalos_core-1.2.0 against master#ab26b175979ee7b2cb3302dce204b99df96f7efb for pr-157696
[INFO] extracting crate frugalos_core 1.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate frugalos_core 1.2.0
[INFO] finished tweaking crates.io crate frugalos_core 1.2.0
[INFO] tweaked toml for crates.io crate frugalos_core 1.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate frugalos_core 1.2.0 on toolchain ab26b175979ee7b2cb3302dce204b99df96f7efb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "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" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "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]      Locking 54 packages to latest compatible versions
[INFO] [stderr]       Adding rustracing v0.1.11 (available: v0.6.0)
[INFO] [stderr]       Adding rustracing_jaeger v0.1.12 (available: v0.10.0)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[INFO] [stderr]       Adding trackable v0.2.24 (available: v1.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1be0ab7cb489e2c5e692b54a1ed0d716f30c34704f484cd666505bb16028c35f
[INFO] running `Command { std: "docker" "start" "1be0ab7cb489e2c5e692b54a1ed0d716f30c34704f484cd666505bb16028c35f", 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" "1be0ab7cb489e2c5e692b54a1ed0d716f30c34704f484cd666505bb16028c35f" "/opt/rustwide/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1be0ab7cb489e2c5e692b54a1ed0d716f30c34704f484cd666505bb16028c35f", 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" "1be0ab7cb489e2c5e692b54a1ed0d716f30c34704f484cd666505bb16028c35f" "/opt/rustwide/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking memchr v2.8.2
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking rustc-demangle v0.1.27
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking trackable v1.3.0
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking thrift_codec v0.1.1
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking rustracing v0.1.11
[INFO] [stderr]     Checking rustracing_jaeger v0.1.12
[INFO] [stderr]     Checking frugalos_core v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.38s
[INFO] running `Command { std: "docker" "inspect" "1be0ab7cb489e2c5e692b54a1ed0d716f30c34704f484cd666505bb16028c35f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be0ab7cb489e2c5e692b54a1ed0d716f30c34704f484cd666505bb16028c35f", kill_on_drop: false }`
[INFO] [stdout] 1be0ab7cb489e2c5e692b54a1ed0d716f30c34704f484cd666505bb16028c35f
