[INFO] fetching crate markov_chain_text_generator 0.2.0...
[INFO] testing markov_chain_text_generator-0.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate markov_chain_text_generator 0.2.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate markov_chain_text_generator 0.2.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate markov_chain_text_generator 0.2.0
[INFO] finished tweaking crates.io crate markov_chain_text_generator 0.2.0
[INFO] tweaked toml for crates.io crate markov_chain_text_generator 0.2.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate markov_chain_text_generator 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf6ddc50107653a04fc8b5a0a698fb0c5270eae8864440fd1787fb596ebd994d
[INFO] running `Command { std: "docker" "start" "-a" "bf6ddc50107653a04fc8b5a0a698fb0c5270eae8864440fd1787fb596ebd994d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf6ddc50107653a04fc8b5a0a698fb0c5270eae8864440fd1787fb596ebd994d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf6ddc50107653a04fc8b5a0a698fb0c5270eae8864440fd1787fb596ebd994d", kill_on_drop: false }`
[INFO] [stdout] bf6ddc50107653a04fc8b5a0a698fb0c5270eae8864440fd1787fb596ebd994d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bdaae92679805e208e8e785608299d64edf9f76ef8eb79eef7c2e938eef68c1
[INFO] running `Command { std: "docker" "start" "-a" "9bdaae92679805e208e8e785608299d64edf9f76ef8eb79eef7c2e938eef68c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling quote v1.0.9
[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 v0.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]    Compiling thiserror v1.0.28
[INFO] [stderr]    Compiling markov_chain_text_generator v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.55s
[INFO] running `Command { std: "docker" "inspect" "9bdaae92679805e208e8e785608299d64edf9f76ef8eb79eef7c2e938eef68c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bdaae92679805e208e8e785608299d64edf9f76ef8eb79eef7c2e938eef68c1", kill_on_drop: false }`
[INFO] [stdout] 9bdaae92679805e208e8e785608299d64edf9f76ef8eb79eef7c2e938eef68c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 455757f4ba367005e5742cf38cc58b4b4076451a1df1ddec8f12cd93eb414cff
[INFO] running `Command { std: "docker" "start" "-a" "455757f4ba367005e5742cf38cc58b4b4076451a1df1ddec8f12cd93eb414cff", kill_on_drop: false }`
[INFO] [stderr]    Compiling markov_chain_text_generator v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "455757f4ba367005e5742cf38cc58b4b4076451a1df1ddec8f12cd93eb414cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "455757f4ba367005e5742cf38cc58b4b4076451a1df1ddec8f12cd93eb414cff", kill_on_drop: false }`
[INFO] [stdout] 455757f4ba367005e5742cf38cc58b4b4076451a1df1ddec8f12cd93eb414cff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91ec9fd63d13a172fc31f57bbf2a908f6586ff1fb9c1418f5c1df09e397e4632
[INFO] running `Command { std: "docker" "start" "-a" "91ec9fd63d13a172fc31f57bbf2a908f6586ff1fb9c1418f5c1df09e397e4632", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/markov_chain_text_generator-da210e6a7b1c3a73)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests markov_chain_text_generator
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "91ec9fd63d13a172fc31f57bbf2a908f6586ff1fb9c1418f5c1df09e397e4632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91ec9fd63d13a172fc31f57bbf2a908f6586ff1fb9c1418f5c1df09e397e4632", kill_on_drop: false }`
[INFO] [stdout] 91ec9fd63d13a172fc31f57bbf2a908f6586ff1fb9c1418f5c1df09e397e4632