[INFO] fetching crate unstringify 0.1.1...
[INFO] testing unstringify-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate unstringify 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate unstringify 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unstringify 0.1.1
[INFO] finished tweaking crates.io crate unstringify 0.1.1
[INFO] tweaked toml for crates.io crate unstringify 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate unstringify 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 057112ff4cff57b1fe726ad942b7fcc5738a729941c309ea2098e4c752df83fb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "057112ff4cff57b1fe726ad942b7fcc5738a729941c309ea2098e4c752df83fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "057112ff4cff57b1fe726ad942b7fcc5738a729941c309ea2098e4c752df83fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "057112ff4cff57b1fe726ad942b7fcc5738a729941c309ea2098e4c752df83fb", kill_on_drop: false }`
[INFO] [stdout] 057112ff4cff57b1fe726ad942b7fcc5738a729941c309ea2098e4c752df83fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4fe85d19d9c22ca95522ccf30be967d426bc293fe6a3fc7df0b35d0a6ab25fea
[INFO] running `Command { std: "docker" "start" "-a" "4fe85d19d9c22ca95522ccf30be967d426bc293fe6a3fc7df0b35d0a6ab25fea", kill_on_drop: false }`
[INFO] [stderr]    Compiling unstringify v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "4fe85d19d9c22ca95522ccf30be967d426bc293fe6a3fc7df0b35d0a6ab25fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe85d19d9c22ca95522ccf30be967d426bc293fe6a3fc7df0b35d0a6ab25fea", kill_on_drop: false }`
[INFO] [stdout] 4fe85d19d9c22ca95522ccf30be967d426bc293fe6a3fc7df0b35d0a6ab25fea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd69e92cba1924a3beda8a064f3f0a19cb917e57cf48d26288a82d4c3a7d4f47
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bd69e92cba1924a3beda8a064f3f0a19cb917e57cf48d26288a82d4c3a7d4f47", kill_on_drop: false }`
[INFO] [stderr]    Compiling unstringify v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "bd69e92cba1924a3beda8a064f3f0a19cb917e57cf48d26288a82d4c3a7d4f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd69e92cba1924a3beda8a064f3f0a19cb917e57cf48d26288a82d4c3a7d4f47", kill_on_drop: false }`
[INFO] [stdout] bd69e92cba1924a3beda8a064f3f0a19cb917e57cf48d26288a82d4c3a7d4f47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9653c90074350918b6780b6e87905b2af8d79abc7233437a9bd30ed0e8cf27f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d9653c90074350918b6780b6e87905b2af8d79abc7233437a9bd30ed0e8cf27f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unstringify-b8e2f780f8da11f9
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unstringify
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - unstringify (line 193) ... ok
[INFO] [stdout] test src/lib.rs - unstringify (line 205) ... ok
[INFO] [stdout] test src/lib.rs - unstringify (line 26) ... ok
[INFO] [stdout] test src/lib.rs - unstringify (line 175) ... ok
[INFO] [stdout] test src/lib.rs - unstringify (line 39) ... ok
[INFO] [stdout] test src/lib.rs - unstringify (line 158) ... ok
[INFO] [stdout] test src/lib.rs - unstringify (line 55) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d9653c90074350918b6780b6e87905b2af8d79abc7233437a9bd30ed0e8cf27f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9653c90074350918b6780b6e87905b2af8d79abc7233437a9bd30ed0e8cf27f", kill_on_drop: false }`
[INFO] [stdout] d9653c90074350918b6780b6e87905b2af8d79abc7233437a9bd30ed0e8cf27f