[INFO] cloning repository https://github.com/segfaultsourcery/playfair-cipher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/segfaultsourcery/playfair-cipher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfaultsourcery%2Fplayfair-cipher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfaultsourcery%2Fplayfair-cipher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c278ae81ced8e493b7383fc44b0f5ebed8785801
[INFO] checking segfaultsourcery/playfair-cipher against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfaultsourcery%2Fplayfair-cipher" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/segfaultsourcery/playfair-cipher on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/segfaultsourcery/playfair-cipher
[INFO] finished tweaking git repo https://github.com/segfaultsourcery/playfair-cipher
[INFO] tweaked toml for git repo https://github.com/segfaultsourcery/playfair-cipher written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/segfaultsourcery/playfair-cipher already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-serde v0.1.2
[INFO] [stderr]   Downloaded tracing-log v0.1.2
[INFO] [stderr]   Downloaded tracing-attributes v0.1.15
[INFO] [stderr]   Downloaded indenter v0.3.3
[INFO] [stderr]   Downloaded tracing-core v0.1.18
[INFO] [stderr]   Downloaded futures-macro v0.3.16
[INFO] [stderr]   Downloaded rustc-demangle v0.1.20
[INFO] [stderr]   Downloaded tracing-error v0.1.2
[INFO] [stderr]   Downloaded futures-io v0.3.16
[INFO] [stderr]   Downloaded addr2line v0.16.0
[INFO] [stderr]   Downloaded structopt-derive v0.4.15
[INFO] [stderr]   Downloaded serde v1.0.127
[INFO] [stderr]   Downloaded miniz_oxide v0.4.4
[INFO] [stderr]   Downloaded eyre v0.6.5
[INFO] [stderr]   Downloaded cc v1.0.69
[INFO] [stderr]   Downloaded backtrace v0.3.61
[INFO] [stderr]   Downloaded unicode-segmentation v1.8.0
[INFO] [stderr]   Downloaded futures-util v0.3.16
[INFO] [stderr]   Downloaded color-spantrace v0.1.6
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded serde_json v1.0.66
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.19
[INFO] [stderr]   Downloaded futures v0.3.16
[INFO] [stderr]   Downloaded serde_derive v1.0.127
[INFO] [stderr]   Downloaded futures-channel v0.3.16
[INFO] [stderr]   Downloaded object v0.26.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.26
[INFO] [stderr]   Downloaded sharded-slab v0.1.1
[INFO] [stderr]   Downloaded once_cell v1.8.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.28
[INFO] [stderr]   Downloaded tracing v0.1.26
[INFO] [stderr]   Downloaded owo-colors v1.3.0
[INFO] [stderr]   Downloaded structopt v0.3.22
[INFO] [stderr]   Downloaded futures-core v0.3.16
[INFO] [stderr]   Downloaded futures-task v0.3.16
[INFO] [stderr]   Downloaded libc v0.2.98
[INFO] [stderr]   Downloaded thiserror v1.0.26
[INFO] [stderr]   Downloaded pin-project-lite v0.2.7
[INFO] [stderr]   Downloaded futures-executor v0.3.16
[INFO] [stderr]   Downloaded futures-sink v0.3.16
[INFO] [stderr]   Downloaded color-eyre v0.5.11
[INFO] [stderr]   Downloaded gimli v0.25.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a0c91fc1fade66c734ac926f35feaae012bfe045f062f785b41705097faa2df
[INFO] running `Command { std: "docker" "start" "-a" "7a0c91fc1fade66c734ac926f35feaae012bfe045f062f785b41705097faa2df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a0c91fc1fade66c734ac926f35feaae012bfe045f062f785b41705097faa2df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a0c91fc1fade66c734ac926f35feaae012bfe045f062f785b41705097faa2df", kill_on_drop: false }`
[INFO] [stdout] 7a0c91fc1fade66c734ac926f35feaae012bfe045f062f785b41705097faa2df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecdfc6cd7bf8064c75868dbfc3ebbb18c4a67fc7e3d74cafc5ec06f7ce775a22
[INFO] running `Command { std: "docker" "start" "-a" "ecdfc6cd7bf8064c75868dbfc3ebbb18c4a67fc7e3d74cafc5ec06f7ce775a22", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking playfair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `Command { std: "docker" "inspect" "ecdfc6cd7bf8064c75868dbfc3ebbb18c4a67fc7e3d74cafc5ec06f7ce775a22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecdfc6cd7bf8064c75868dbfc3ebbb18c4a67fc7e3d74cafc5ec06f7ce775a22", kill_on_drop: false }`
[INFO] [stdout] ecdfc6cd7bf8064c75868dbfc3ebbb18c4a67fc7e3d74cafc5ec06f7ce775a22