[INFO] fetching crate probe 0.2.1...
[INFO] testing probe-0.2.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate probe 0.2.1 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate probe 0.2.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate probe 0.2.1
[INFO] finished tweaking crates.io crate probe 0.2.1
[INFO] tweaked toml for crates.io crate probe 0.2.1 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate crates.io crate probe 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfe83fcab481a7156e3f183dcdfcb815be1b00a7c72914f8bf4310d31f1cc3cf
[INFO] running `Command { std: "docker" "start" "-a" "dfe83fcab481a7156e3f183dcdfcb815be1b00a7c72914f8bf4310d31f1cc3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfe83fcab481a7156e3f183dcdfcb815be1b00a7c72914f8bf4310d31f1cc3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe83fcab481a7156e3f183dcdfcb815be1b00a7c72914f8bf4310d31f1cc3cf", kill_on_drop: false }`
[INFO] [stdout] dfe83fcab481a7156e3f183dcdfcb815be1b00a7c72914f8bf4310d31f1cc3cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9798e782974792eb70e4d5b6a25b6469ff2297531c2353884dd192a739f90f68
[INFO] running `Command { std: "docker" "start" "-a" "9798e782974792eb70e4d5b6a25b6469ff2297531c2353884dd192a739f90f68", kill_on_drop: false }`
[INFO] [stderr]    Compiling probe v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "9798e782974792eb70e4d5b6a25b6469ff2297531c2353884dd192a739f90f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9798e782974792eb70e4d5b6a25b6469ff2297531c2353884dd192a739f90f68", kill_on_drop: false }`
[INFO] [stdout] 9798e782974792eb70e4d5b6a25b6469ff2297531c2353884dd192a739f90f68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1320cbef2717fd68eb00a83078cf61b0d4198e848251caa2d70659bd17730ff
[INFO] running `Command { std: "docker" "start" "-a" "e1320cbef2717fd68eb00a83078cf61b0d4198e848251caa2d70659bd17730ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling probe v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "e1320cbef2717fd68eb00a83078cf61b0d4198e848251caa2d70659bd17730ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1320cbef2717fd68eb00a83078cf61b0d4198e848251caa2d70659bd17730ff", kill_on_drop: false }`
[INFO] [stdout] e1320cbef2717fd68eb00a83078cf61b0d4198e848251caa2d70659bd17730ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fad34e5fb14c9553302b453e15837957df27057be74ca3e61b9c8902262ff8a5
[INFO] running `Command { std: "docker" "start" "-a" "fad34e5fb14c9553302b453e15837957df27057be74ca3e61b9c8902262ff8a5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/probe-9f4adefc648dd273)
[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] [stderr]      Running tests/readelf.rs (/opt/rustwide/target/debug/deps/readelf-5e62e22448c480ae)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test check_notes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests probe
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - probe (line 122) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fad34e5fb14c9553302b453e15837957df27057be74ca3e61b9c8902262ff8a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fad34e5fb14c9553302b453e15837957df27057be74ca3e61b9c8902262ff8a5", kill_on_drop: false }`
[INFO] [stdout] fad34e5fb14c9553302b453e15837957df27057be74ca3e61b9c8902262ff8a5