[INFO] cloning repository https://github.com/kellymclaughlin/rust-quickcheck-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kellymclaughlin/rust-quickcheck-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkellymclaughlin%2Frust-quickcheck-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkellymclaughlin%2Frust-quickcheck-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 698332504a0d40080773f9128141b18fc163d61c [INFO] building kellymclaughlin/rust-quickcheck-example against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkellymclaughlin%2Frust-quickcheck-example" "/workspace/builds/worker-71/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-71/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kellymclaughlin/rust-quickcheck-example 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 git repo https://github.com/kellymclaughlin/rust-quickcheck-example [INFO] finished tweaking git repo https://github.com/kellymclaughlin/rust-quickcheck-example [INFO] tweaked toml for git repo https://github.com/kellymclaughlin/rust-quickcheck-example written to /workspace/builds/worker-71/source/Cargo.toml [INFO] crate git repo https://github.com/kellymclaughlin/rust-quickcheck-example 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] cec65edd002a3788ca52e431e379af36119f019818115f4a0e4494876fabf1c7 [INFO] running `Command { std: "docker" "start" "-a" "cec65edd002a3788ca52e431e379af36119f019818115f4a0e4494876fabf1c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cec65edd002a3788ca52e431e379af36119f019818115f4a0e4494876fabf1c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cec65edd002a3788ca52e431e379af36119f019818115f4a0e4494876fabf1c7", kill_on_drop: false }` [INFO] [stdout] cec65edd002a3788ca52e431e379af36119f019818115f4a0e4494876fabf1c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 5fe0f15f5330e4952ae0094f9fe66367d2f23d97751460c6355561447ba8dcb9 [INFO] running `Command { std: "docker" "start" "-a" "5fe0f15f5330e4952ae0094f9fe66367d2f23d97751460c6355561447ba8dcb9", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling regex-syntax v0.6.6 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling aho-corasick v0.7.3 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling env_logger v0.6.1 [INFO] [stderr] Compiling quickcheck v0.8.3 [INFO] [stderr] Compiling quickcheck-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.20s [INFO] running `Command { std: "docker" "inspect" "5fe0f15f5330e4952ae0094f9fe66367d2f23d97751460c6355561447ba8dcb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fe0f15f5330e4952ae0094f9fe66367d2f23d97751460c6355561447ba8dcb9", kill_on_drop: false }` [INFO] [stdout] 5fe0f15f5330e4952ae0094f9fe66367d2f23d97751460c6355561447ba8dcb9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 201ca222209b85ea4e0f311f5cafbaac8b41995a054a7a986ba30725c577a42c [INFO] running `Command { std: "docker" "start" "-a" "201ca222209b85ea4e0f311f5cafbaac8b41995a054a7a986ba30725c577a42c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling quickcheck-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `StdGen`, `quickcheck` [INFO] [stdout] --> src/main.rs:17:22 [INFO] [stdout] | [INFO] [stdout] 17 | use quickcheck::{quickcheck, QuickCheck, StdGen, StdThreadGen}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.09s [INFO] running `Command { std: "docker" "inspect" "201ca222209b85ea4e0f311f5cafbaac8b41995a054a7a986ba30725c577a42c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "201ca222209b85ea4e0f311f5cafbaac8b41995a054a7a986ba30725c577a42c", kill_on_drop: false }` [INFO] [stdout] 201ca222209b85ea4e0f311f5cafbaac8b41995a054a7a986ba30725c577a42c