[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 master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszhongren%2Frustbookv2" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/szhongren/rustbookv2 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ed9c3ef17e55d5d6108e011ab01808402111eccc25f495641e8db9d02d993ec0
[INFO] running `Command { std: "docker" "start" "-a" "ed9c3ef17e55d5d6108e011ab01808402111eccc25f495641e8db9d02d993ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed9c3ef17e55d5d6108e011ab01808402111eccc25f495641e8db9d02d993ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed9c3ef17e55d5d6108e011ab01808402111eccc25f495641e8db9d02d993ec0", kill_on_drop: false }`
[INFO] [stdout] ed9c3ef17e55d5d6108e011ab01808402111eccc25f495641e8db9d02d993ec0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6f9164f5bf032abc4f2f7df1cbaebb0c07edefb58892cb9383ed5bd6bbf6ba56
[INFO] running `Command { std: "docker" "start" "-a" "6f9164f5bf032abc4f2f7df1cbaebb0c07edefb58892cb9383ed5bd6bbf6ba56", kill_on_drop: false }`
[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 4.69s
[INFO] running `Command { std: "docker" "inspect" "6f9164f5bf032abc4f2f7df1cbaebb0c07edefb58892cb9383ed5bd6bbf6ba56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f9164f5bf032abc4f2f7df1cbaebb0c07edefb58892cb9383ed5bd6bbf6ba56", kill_on_drop: false }`
[INFO] [stdout] 6f9164f5bf032abc4f2f7df1cbaebb0c07edefb58892cb9383ed5bd6bbf6ba56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97e7ee277f546f130622f9b8ceb9021fa2b0db68a58dfbcc7b3d47252e1e8a6a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "97e7ee277f546f130622f9b8ceb9021fa2b0db68a58dfbcc7b3d47252e1e8a6a", kill_on_drop: false }`
[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 1.03s
[INFO] running `Command { std: "docker" "inspect" "97e7ee277f546f130622f9b8ceb9021fa2b0db68a58dfbcc7b3d47252e1e8a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97e7ee277f546f130622f9b8ceb9021fa2b0db68a58dfbcc7b3d47252e1e8a6a", kill_on_drop: false }`
[INFO] [stdout] 97e7ee277f546f130622f9b8ceb9021fa2b0db68a58dfbcc7b3d47252e1e8a6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d8493407cf72e3c50040b68e3d45d4bb77c6b9787767fb306bab984356f9369
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5d8493407cf72e3c50040b68e3d45d4bb77c6b9787767fb306bab984356f9369", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustbook-79a74d1de5c9eabe
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d8493407cf72e3c50040b68e3d45d4bb77c6b9787767fb306bab984356f9369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d8493407cf72e3c50040b68e3d45d4bb77c6b9787767fb306bab984356f9369", kill_on_drop: false }`
[INFO] [stdout] 5d8493407cf72e3c50040b68e3d45d4bb77c6b9787767fb306bab984356f9369