[INFO] fetching crate frugalos_core 1.2.0...
[INFO] testing frugalos_core-1.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate frugalos_core 1.2.0 into /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate frugalos_core 1.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thrift_codec v0.1.1
[INFO] [stderr]   Downloaded trackable v0.2.24
[INFO] [stderr]   Downloaded trackable v1.3.0
[INFO] [stderr]   Downloaded winutil v0.1.1
[INFO] [stderr]   Downloaded trackable_derive v1.0.0
[INFO] [stderr]   Downloaded hostname v0.1.5
[INFO] [stderr]   Downloaded serde_yaml v0.8.26
[INFO] [stderr]   Downloaded rustracing v0.1.11
[INFO] [stderr]   Downloaded rustracing_jaeger v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6eaf884e9dc21b7bece4bf23f3b224ee9997e1638eb249223ada2547ff2fddd0
[INFO] running `Command { std: "docker" "start" "-a" "6eaf884e9dc21b7bece4bf23f3b224ee9997e1638eb249223ada2547ff2fddd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6eaf884e9dc21b7bece4bf23f3b224ee9997e1638eb249223ada2547ff2fddd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eaf884e9dc21b7bece4bf23f3b224ee9997e1638eb249223ada2547ff2fddd0", kill_on_drop: false }`
[INFO] [stdout] 6eaf884e9dc21b7bece4bf23f3b224ee9997e1638eb249223ada2547ff2fddd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4bd8d55d67d7f2e317be8ce8a97c8dfcb2b42d70c47e391bf50be901987cef7
[INFO] running `Command { std: "docker" "start" "-a" "e4bd8d55d67d7f2e317be8ce8a97c8dfcb2b42d70c47e391bf50be901987cef7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling trackable v1.3.0
[INFO] [stderr]    Compiling trackable v0.2.24
[INFO] [stderr]    Compiling thrift_codec v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling rustracing v0.1.11
[INFO] [stderr]    Compiling rustracing_jaeger v0.1.12
[INFO] [stderr]    Compiling frugalos_core v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.41s
[INFO] running `Command { std: "docker" "inspect" "e4bd8d55d67d7f2e317be8ce8a97c8dfcb2b42d70c47e391bf50be901987cef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4bd8d55d67d7f2e317be8ce8a97c8dfcb2b42d70c47e391bf50be901987cef7", kill_on_drop: false }`
[INFO] [stdout] e4bd8d55d67d7f2e317be8ce8a97c8dfcb2b42d70c47e391bf50be901987cef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6607b74a9f0bb9f681702a029380f624fec2b1226449e934d0156b1a24b61e03
[INFO] running `Command { std: "docker" "start" "-a" "6607b74a9f0bb9f681702a029380f624fec2b1226449e934d0156b1a24b61e03", kill_on_drop: false }`
[INFO] [stderr]    Compiling frugalos_core v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "6607b74a9f0bb9f681702a029380f624fec2b1226449e934d0156b1a24b61e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6607b74a9f0bb9f681702a029380f624fec2b1226449e934d0156b1a24b61e03", kill_on_drop: false }`
[INFO] [stdout] 6607b74a9f0bb9f681702a029380f624fec2b1226449e934d0156b1a24b61e03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd5dbabc54549258102c612a80a276476c88cc804c429eb3b7376ce6ac444873
[INFO] running `Command { std: "docker" "start" "-a" "dd5dbabc54549258102c612a80a276476c88cc804c429eb3b7376ce6ac444873", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/frugalos_core-15c4e0da7dc57021)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test serde_ext::tests::serialize_and_deserialize_work ... ok
[INFO] [stdout] test serde_ext::tests::default_and_deserialize_work ... ok
[INFO] [stdout] test serde_ext::tests::to_millis_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests frugalos_core
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd5dbabc54549258102c612a80a276476c88cc804c429eb3b7376ce6ac444873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5dbabc54549258102c612a80a276476c88cc804c429eb3b7376ce6ac444873", kill_on_drop: false }`
[INFO] [stdout] dd5dbabc54549258102c612a80a276476c88cc804c429eb3b7376ce6ac444873