[INFO] fetching crate hello_world_2 0.1.0...
[INFO] testing hello_world_2-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate hello_world_2 0.1.0 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate hello_world_2 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hello_world_2 0.1.0
[INFO] finished tweaking crates.io crate hello_world_2 0.1.0
[INFO] tweaked toml for crates.io crate hello_world_2 0.1.0 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate crates.io crate hello_world_2 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 779dd6b100ac22229c7a1a07b4bdcbbe74f71635b60e0f070bdbfe632855a663
[INFO] running `Command { std: "docker" "start" "-a" "779dd6b100ac22229c7a1a07b4bdcbbe74f71635b60e0f070bdbfe632855a663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "779dd6b100ac22229c7a1a07b4bdcbbe74f71635b60e0f070bdbfe632855a663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "779dd6b100ac22229c7a1a07b4bdcbbe74f71635b60e0f070bdbfe632855a663", kill_on_drop: false }`
[INFO] [stdout] 779dd6b100ac22229c7a1a07b4bdcbbe74f71635b60e0f070bdbfe632855a663
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc3e7567a928aaa2632ff2062735330b0d8dfa77c4fae00294a884f60446a766
[INFO] running `Command { std: "docker" "start" "-a" "cc3e7567a928aaa2632ff2062735330b0d8dfa77c4fae00294a884f60446a766", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_world_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "cc3e7567a928aaa2632ff2062735330b0d8dfa77c4fae00294a884f60446a766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc3e7567a928aaa2632ff2062735330b0d8dfa77c4fae00294a884f60446a766", kill_on_drop: false }`
[INFO] [stdout] cc3e7567a928aaa2632ff2062735330b0d8dfa77c4fae00294a884f60446a766
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 174d66fc63a92d08226effa4501321f7c714f6e03b2d1254d4836890f4c88fed
[INFO] running `Command { std: "docker" "start" "-a" "174d66fc63a92d08226effa4501321f7c714f6e03b2d1254d4836890f4c88fed", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_world_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "174d66fc63a92d08226effa4501321f7c714f6e03b2d1254d4836890f4c88fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "174d66fc63a92d08226effa4501321f7c714f6e03b2d1254d4836890f4c88fed", kill_on_drop: false }`
[INFO] [stdout] 174d66fc63a92d08226effa4501321f7c714f6e03b2d1254d4836890f4c88fed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9beea106495a89a12b142762e1b98982f93296c7fe170a2e221d3b6aec48c73a
[INFO] running `Command { std: "docker" "start" "-a" "9beea106495a89a12b142762e1b98982f93296c7fe170a2e221d3b6aec48c73a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_world_2-2abe4e535e1eadf9)
[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" "9beea106495a89a12b142762e1b98982f93296c7fe170a2e221d3b6aec48c73a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9beea106495a89a12b142762e1b98982f93296c7fe170a2e221d3b6aec48c73a", kill_on_drop: false }`
[INFO] [stdout] 9beea106495a89a12b142762e1b98982f93296c7fe170a2e221d3b6aec48c73a