[INFO] cloning repository https://github.com/szhongren/rustbookv2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/szhongren/rustbookv2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszhongren%2Frustbookv2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszhongren%2Frustbookv2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8534333cc27bf65741c823c98fcd03235b40ada7
[INFO] testing szhongren/rustbookv2 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszhongren%2Frustbookv2" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/szhongren/rustbookv2 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/szhongren/rustbookv2
[INFO] finished tweaking git repo https://github.com/szhongren/rustbookv2
[INFO] tweaked toml for git repo https://github.com/szhongren/rustbookv2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/szhongren/rustbookv2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d685ed74b9ba22ef011c7dc7108a1d8ad891e53fa07477b72e84758ab6eb28d5
[INFO] running `Command { std: "docker" "start" "-a" "d685ed74b9ba22ef011c7dc7108a1d8ad891e53fa07477b72e84758ab6eb28d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d685ed74b9ba22ef011c7dc7108a1d8ad891e53fa07477b72e84758ab6eb28d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d685ed74b9ba22ef011c7dc7108a1d8ad891e53fa07477b72e84758ab6eb28d5", kill_on_drop: false }`
[INFO] [stdout] d685ed74b9ba22ef011c7dc7108a1d8ad891e53fa07477b72e84758ab6eb28d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e6d2333415271fafdc06e8677b6860170c59d451f3b6e5ae60816a562ee173f
[INFO] running `Command { std: "docker" "start" "-a" "6e6d2333415271fafdc06e8677b6860170c59d451f3b6e5ae60816a562ee173f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling rustbook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]    --> src/section10.rs:36:9
[INFO] [stdout]     |
[INFO] [stdout] 36  |     use std::cmp::PartialOrd;
[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 dev [unoptimized + debuginfo] target(s) in 7.13s
[INFO] running `Command { std: "docker" "inspect" "6e6d2333415271fafdc06e8677b6860170c59d451f3b6e5ae60816a562ee173f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e6d2333415271fafdc06e8677b6860170c59d451f3b6e5ae60816a562ee173f", kill_on_drop: false }`
[INFO] [stdout] 6e6d2333415271fafdc06e8677b6860170c59d451f3b6e5ae60816a562ee173f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18ae91830e96aa74b39a988241d52b1cdd98add4110ff4538447886c94db4321
[INFO] running `Command { std: "docker" "start" "-a" "18ae91830e96aa74b39a988241d52b1cdd98add4110ff4538447886c94db4321", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustbook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]    --> src/section10.rs:36:9
[INFO] [stdout]     |
[INFO] [stdout] 36  |     use std::cmp::PartialOrd;
[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 3.85s
[INFO] running `Command { std: "docker" "inspect" "18ae91830e96aa74b39a988241d52b1cdd98add4110ff4538447886c94db4321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18ae91830e96aa74b39a988241d52b1cdd98add4110ff4538447886c94db4321", kill_on_drop: false }`
[INFO] [stdout] 18ae91830e96aa74b39a988241d52b1cdd98add4110ff4538447886c94db4321
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2fdec054c9e640949900efdbc61203ae600494ca28e900fd9a592330e41eef88
[INFO] running `Command { std: "docker" "start" "-a" "2fdec054c9e640949900efdbc61203ae600494ca28e900fd9a592330e41eef88", kill_on_drop: false }`
[INFO] [stderr] warning: the item `PartialOrd` is imported redundantly
[INFO] [stderr]    --> src/section10.rs:36:9
[INFO] [stderr]     |
[INFO] [stderr] 36  |     use std::cmp::PartialOrd;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustbook` (bin "rustbook" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustbook-668aa1b6898fffc0)
[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" "2fdec054c9e640949900efdbc61203ae600494ca28e900fd9a592330e41eef88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fdec054c9e640949900efdbc61203ae600494ca28e900fd9a592330e41eef88", kill_on_drop: false }`
[INFO] [stdout] 2fdec054c9e640949900efdbc61203ae600494ca28e900fd9a592330e41eef88