[INFO] fetching crate stackblur 0.1.0...
[INFO] testing stackblur-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate stackblur 0.1.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate stackblur 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stackblur 0.1.0
[INFO] finished tweaking crates.io crate stackblur 0.1.0
[INFO] tweaked toml for crates.io crate stackblur 0.1.0 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate crates.io crate stackblur 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3eec7bc6f4cd2b571873de97fb371fbcf9f79948c748d3c8133bb17e2d6d9f0d
[INFO] running `Command { std: "docker" "start" "-a" "3eec7bc6f4cd2b571873de97fb371fbcf9f79948c748d3c8133bb17e2d6d9f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eec7bc6f4cd2b571873de97fb371fbcf9f79948c748d3c8133bb17e2d6d9f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eec7bc6f4cd2b571873de97fb371fbcf9f79948c748d3c8133bb17e2d6d9f0d", kill_on_drop: false }`
[INFO] [stdout] 3eec7bc6f4cd2b571873de97fb371fbcf9f79948c748d3c8133bb17e2d6d9f0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c82cb7ed29ebcca5fa275a8c622fd89ad9254986aeca00388e46416cd81913ba
[INFO] running `Command { std: "docker" "start" "-a" "c82cb7ed29ebcca5fa275a8c622fd89ad9254986aeca00388e46416cd81913ba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stackblur v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "c82cb7ed29ebcca5fa275a8c622fd89ad9254986aeca00388e46416cd81913ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c82cb7ed29ebcca5fa275a8c622fd89ad9254986aeca00388e46416cd81913ba", kill_on_drop: false }`
[INFO] [stdout] c82cb7ed29ebcca5fa275a8c622fd89ad9254986aeca00388e46416cd81913ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d5d146293bbc702904848d2f7ea7375fc7d672c9c0e1e3446fef16122f8f63a
[INFO] running `Command { std: "docker" "start" "-a" "7d5d146293bbc702904848d2f7ea7375fc7d672c9c0e1e3446fef16122f8f63a", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling stackblur v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "7d5d146293bbc702904848d2f7ea7375fc7d672c9c0e1e3446fef16122f8f63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5d146293bbc702904848d2f7ea7375fc7d672c9c0e1e3446fef16122f8f63a", kill_on_drop: false }`
[INFO] [stdout] 7d5d146293bbc702904848d2f7ea7375fc7d672c9c0e1e3446fef16122f8f63a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b6653c27fa96ef914b2fd01151e3919fafb9a9803ac94fcfe2a47b0d5e918f2
[INFO] running `Command { std: "docker" "start" "-a" "4b6653c27fa96ef914b2fd01151e3919fafb9a9803ac94fcfe2a47b0d5e918f2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stackblur-1718ea9dee451c54)
[INFO] [stderr]    Doc-tests stackblur
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4b6653c27fa96ef914b2fd01151e3919fafb9a9803ac94fcfe2a47b0d5e918f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b6653c27fa96ef914b2fd01151e3919fafb9a9803ac94fcfe2a47b0d5e918f2", kill_on_drop: false }`
[INFO] [stdout] 4b6653c27fa96ef914b2fd01151e3919fafb9a9803ac94fcfe2a47b0d5e918f2