[INFO] fetching crate random-string 1.0.0...
[INFO] testing random-string-1.0.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate random-string 1.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate random-string 1.0.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate random-string 1.0.0
[INFO] finished tweaking crates.io crate random-string 1.0.0
[INFO] tweaked toml for crates.io crate random-string 1.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfcc6c84464c9b7799c9b3034bb252f5010325d79841c0e080b7770874ff5fa3
[INFO] running `Command { std: "docker" "start" "-a" "cfcc6c84464c9b7799c9b3034bb252f5010325d79841c0e080b7770874ff5fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfcc6c84464c9b7799c9b3034bb252f5010325d79841c0e080b7770874ff5fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfcc6c84464c9b7799c9b3034bb252f5010325d79841c0e080b7770874ff5fa3", kill_on_drop: false }`
[INFO] [stdout] cfcc6c84464c9b7799c9b3034bb252f5010325d79841c0e080b7770874ff5fa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c152bcd8ea336f932835803dd1eddb1351e7273d32f0c778c0f3d0f94f10839
[INFO] running `Command { std: "docker" "start" "-a" "8c152bcd8ea336f932835803dd1eddb1351e7273d32f0c778c0f3d0f94f10839", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v1.4.1
[INFO] [stderr]    Compiling random-string v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "8c152bcd8ea336f932835803dd1eddb1351e7273d32f0c778c0f3d0f94f10839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c152bcd8ea336f932835803dd1eddb1351e7273d32f0c778c0f3d0f94f10839", kill_on_drop: false }`
[INFO] [stdout] 8c152bcd8ea336f932835803dd1eddb1351e7273d32f0c778c0f3d0f94f10839
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de9c14d3456c6e05cb8d746eb3b57911015d3189717a055ccd22e03ac042de76
[INFO] running `Command { std: "docker" "start" "-a" "de9c14d3456c6e05cb8d746eb3b57911015d3189717a055ccd22e03ac042de76", kill_on_drop: false }`
[INFO] [stderr]    Compiling random-string v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "de9c14d3456c6e05cb8d746eb3b57911015d3189717a055ccd22e03ac042de76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9c14d3456c6e05cb8d746eb3b57911015d3189717a055ccd22e03ac042de76", kill_on_drop: false }`
[INFO] [stdout] de9c14d3456c6e05cb8d746eb3b57911015d3189717a055ccd22e03ac042de76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] acc3f9e0b2a35da6ecd12bd38f52bc69c019888fdabcfd20aec4113fda285ffd
[INFO] running `Command { std: "docker" "start" "-a" "acc3f9e0b2a35da6ecd12bd38f52bc69c019888fdabcfd20aec4113fda285ffd", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/random_string-2aac45b882d8b0ad)
[INFO] [stdout] test tests::ascii_generation ... ok
[INFO] [stderr]    Doc-tests random-string
[INFO] [stdout] test tests::unicode_generation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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/generator.rs - generator::generate (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "acc3f9e0b2a35da6ecd12bd38f52bc69c019888fdabcfd20aec4113fda285ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acc3f9e0b2a35da6ecd12bd38f52bc69c019888fdabcfd20aec4113fda285ffd", kill_on_drop: false }`
[INFO] [stdout] acc3f9e0b2a35da6ecd12bd38f52bc69c019888fdabcfd20aec4113fda285ffd