[INFO] cloning repository https://github.com/tim-lange1/rust_book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tim-lange1/rust_book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftim-lange1%2Frust_book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftim-lange1%2Frust_book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78cb120fe15203a53933b8665b5789eee28dc009
[INFO] checking tim-lange1/rust_book against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftim-lange1%2Frust_book" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  84% (1273/1514)   
Checking out files:  85% (1287/1514)   
Checking out files:  86% (1303/1514)   
Checking out files:  87% (1318/1514)   
Checking out files:  88% (1333/1514)   
Checking out files:  89% (1348/1514)   
Checking out files:  90% (1363/1514)   
Checking out files:  91% (1378/1514)   
Checking out files:  92% (1393/1514)   
Checking out files:  93% (1409/1514)   
Checking out files:  94% (1424/1514)   
Checking out files:  95% (1439/1514)   
Checking out files:  96% (1454/1514)   
Checking out files:  97% (1469/1514)   
Checking out files:  98% (1484/1514)   
Checking out files:  99% (1499/1514)   
Checking out files: 100% (1514/1514)   
Checking out files: 100% (1514/1514), done.
[INFO] validating manifest of git repo https://github.com/tim-lange1/rust_book on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tim-lange1/rust_book
[INFO] finished tweaking git repo https://github.com/tim-lange1/rust_book
[INFO] tweaked toml for git repo https://github.com/tim-lange1/rust_book written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/tim-lange1/rust_book already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b72e8b7a9d7e5f742f17367b3064b1944d132c4b245913cc41b7558a79c1bee
[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" "4b72e8b7a9d7e5f742f17367b3064b1944d132c4b245913cc41b7558a79c1bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b72e8b7a9d7e5f742f17367b3064b1944d132c4b245913cc41b7558a79c1bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b72e8b7a9d7e5f742f17367b3064b1944d132c4b245913cc41b7558a79c1bee", kill_on_drop: false }`
[INFO] [stdout] 4b72e8b7a9d7e5f742f17367b3064b1944d132c4b245913cc41b7558a79c1bee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--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] b7faacb5f3b3410b55131cadbbddedb65b4e4e70569bace61f407f13923e9c06
[INFO] running `Command { std: "docker" "start" "-a" "b7faacb5f3b3410b55131cadbbddedb65b4e4e70569bace61f407f13923e9c06", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "b7faacb5f3b3410b55131cadbbddedb65b4e4e70569bace61f407f13923e9c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7faacb5f3b3410b55131cadbbddedb65b4e4e70569bace61f407f13923e9c06", kill_on_drop: false }`
[INFO] [stdout] b7faacb5f3b3410b55131cadbbddedb65b4e4e70569bace61f407f13923e9c06