[INFO] cloning repository https://github.com/DebGB/Copy-of-Book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DebGB/Copy-of-Book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDebGB%2FCopy-of-Book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDebGB%2FCopy-of-Book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f9358faeb1f46e19b8a23a21e79fd7fe150491e
[INFO] checking DebGB/Copy-of-Book/5f9358faeb1f46e19b8a23a21e79fd7fe150491e against master#0f6e1ae67854c3c44726e8376144c16b465fe7c6 for pr-129392
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDebGB%2FCopy-of-Book" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DebGB/Copy-of-Book on toolchain 0f6e1ae67854c3c44726e8376144c16b465fe7c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/DebGB/Copy-of-Book
[INFO] finished tweaking git repo https://github.com/DebGB/Copy-of-Book
[INFO] tweaked toml for git repo https://github.com/DebGB/Copy-of-Book written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DebGB/Copy-of-Book 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" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded docopt v1.1.0
[INFO] [stderr]   Downloaded filetime v0.2.7
[INFO] [stderr]   Downloaded miniz_oxide v0.3.5
[INFO] [stderr]   Downloaded flate2 v1.0.13
[INFO] [stderr]   Downloaded tar v0.4.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5ca1368d794aa5cc531410b7abbb59d8b764700842f108d1f2202b95018e5d0
[INFO] running `Command { std: "docker" "start" "-a" "c5ca1368d794aa5cc531410b7abbb59d8b764700842f108d1f2202b95018e5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5ca1368d794aa5cc531410b7abbb59d8b764700842f108d1f2202b95018e5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ca1368d794aa5cc531410b7abbb59d8b764700842f108d1f2202b95018e5d0", kill_on_drop: false }`
[INFO] [stdout] c5ca1368d794aa5cc531410b7abbb59d8b764700842f108d1f2202b95018e5d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fa268cb45ddf752a31275a01258a9f9ca49d043c5310c5102cc414ea89393f2
[INFO] running `Command { std: "docker" "start" "-a" "7fa268cb45ddf752a31275a01258a9f9ca49d043c5310c5102cc414ea89393f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking rust-book v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.39s
[INFO] running `Command { std: "docker" "inspect" "7fa268cb45ddf752a31275a01258a9f9ca49d043c5310c5102cc414ea89393f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fa268cb45ddf752a31275a01258a9f9ca49d043c5310c5102cc414ea89393f2", kill_on_drop: false }`
[INFO] [stdout] 7fa268cb45ddf752a31275a01258a9f9ca49d043c5310c5102cc414ea89393f2