[INFO] fetching crate coin_toss 0.2.0...
[INFO] testing coin_toss-0.2.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate coin_toss 0.2.0 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate coin_toss 0.2.0 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 coin_toss 0.2.0
[INFO] finished tweaking crates.io crate coin_toss 0.2.0
[INFO] tweaked toml for crates.io crate coin_toss 0.2.0 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 270bbe5fafdfc1a740a24e3cb6a81a4d9cb56c83a84eda71e4751aef3e14256d
[INFO] running `Command { std: "docker" "start" "-a" "270bbe5fafdfc1a740a24e3cb6a81a4d9cb56c83a84eda71e4751aef3e14256d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "270bbe5fafdfc1a740a24e3cb6a81a4d9cb56c83a84eda71e4751aef3e14256d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270bbe5fafdfc1a740a24e3cb6a81a4d9cb56c83a84eda71e4751aef3e14256d", kill_on_drop: false }`
[INFO] [stdout] 270bbe5fafdfc1a740a24e3cb6a81a4d9cb56c83a84eda71e4751aef3e14256d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 4ddf1855ba96e4cf68a68b7436b93ca7b5dc81a48804a4ecdced5cb418c254e0
[INFO] running `Command { std: "docker" "start" "-a" "4ddf1855ba96e4cf68a68b7436b93ca7b5dc81a48804a4ecdced5cb418c254e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling coin_toss v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.53s
[INFO] running `Command { std: "docker" "inspect" "4ddf1855ba96e4cf68a68b7436b93ca7b5dc81a48804a4ecdced5cb418c254e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ddf1855ba96e4cf68a68b7436b93ca7b5dc81a48804a4ecdced5cb418c254e0", kill_on_drop: false }`
[INFO] [stdout] 4ddf1855ba96e4cf68a68b7436b93ca7b5dc81a48804a4ecdced5cb418c254e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 3b960a78b0996db447c3bbbc3c137956d568571d67a06c057e63e6c9287c75e0
[INFO] running `Command { std: "docker" "start" "-a" "3b960a78b0996db447c3bbbc3c137956d568571d67a06c057e63e6c9287c75e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling coin_toss v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "3b960a78b0996db447c3bbbc3c137956d568571d67a06c057e63e6c9287c75e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b960a78b0996db447c3bbbc3c137956d568571d67a06c057e63e6c9287c75e0", kill_on_drop: false }`
[INFO] [stdout] 3b960a78b0996db447c3bbbc3c137956d568571d67a06c057e63e6c9287c75e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 1558bb48f48454baa64fa56d3ee77a0a6225d8809fdf8a1a6e63fd144521f24a
[INFO] running `Command { std: "docker" "start" "-a" "1558bb48f48454baa64fa56d3ee77a0a6225d8809fdf8a1a6e63fd144521f24a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/coin_toss-46e610c0925255a4)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_display ... ok
[INFO] [stdout] test tests::test_flip ... ok
[INFO] [stdout] test tests::test_not ... ok
[INFO] [stdout] test tests::test_toss ... ok
[INFO] [stdout] test tests::test_toss_with_same_seed ... ok
[INFO] [stdout] test tests::test_distribution ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 19.13s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests coin_toss
[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" "1558bb48f48454baa64fa56d3ee77a0a6225d8809fdf8a1a6e63fd144521f24a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1558bb48f48454baa64fa56d3ee77a0a6225d8809fdf8a1a6e63fd144521f24a", kill_on_drop: false }`
[INFO] [stdout] 1558bb48f48454baa64fa56d3ee77a0a6225d8809fdf8a1a6e63fd144521f24a