[INFO] cloning repository https://github.com/yussak/rust-browser-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yussak/rust-browser-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyussak%2Frust-browser-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyussak%2Frust-browser-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c10f9bae37776681716cd5af35a76aabad7b6f42
[INFO] checking yussak/rust-browser-book against try#44e31dee3cf6f37b4f652572897bb0eb25c477ee for pr-139763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyussak%2Frust-browser-book" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yussak/rust-browser-book on toolchain 44e31dee3cf6f37b4f652572897bb0eb25c477ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/yussak/rust-browser-book
[INFO] finished tweaking git repo https://github.com/yussak/rust-browser-book
[INFO] tweaked toml for git repo https://github.com/yussak/rust-browser-book written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yussak/rust-browser-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" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-5-tc2/source/Cargo.toml: unused manifest key: package.default-rn
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 934a9a036f45e0a3e0da4ed7babd49b077001b74ede0c3bc4dae2c245c7f0bf5
[INFO] running `Command { std: "docker" "start" "-a" "934a9a036f45e0a3e0da4ed7babd49b077001b74ede0c3bc4dae2c245c7f0bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "934a9a036f45e0a3e0da4ed7babd49b077001b74ede0c3bc4dae2c245c7f0bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "934a9a036f45e0a3e0da4ed7babd49b077001b74ede0c3bc4dae2c245c7f0bf5", kill_on_drop: false }`
[INFO] [stdout] 934a9a036f45e0a3e0da4ed7babd49b077001b74ede0c3bc4dae2c245c7f0bf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2537dd4743c6bf1f1e5e88f03615ce4c3106efb5d4bbc605b229df4d293fdd7
[INFO] running `Command { std: "docker" "start" "-a" "e2537dd4743c6bf1f1e5e88f03615ce4c3106efb5d4bbc605b229df4d293fdd7", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: package.default-rn
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking micromath v2.1.0
[INFO] [stderr]     Checking sabi v0.1.0 (https://github.com/hikalium/wasabi.git?branch=for_saba#abf27c6f)
[INFO] [stderr]     Checking saba_core v0.1.0 (/opt/rustwide/workdir/saba_core)
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking embedded-graphics-core v0.4.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking embedded-graphics v0.8.1
[INFO] [stderr]    Compiling font v0.1.0 (https://github.com/hikalium/wasabi.git?branch=for_saba#abf27c6f)
[INFO] [stderr]     Checking noli v0.1.0 (https://github.com/hikalium/wasabi.git?branch=for_saba#abf27c6f)
[INFO] [stderr]     Checking net_wasabi v0.1.0 (/opt/rustwide/workdir/net/wasabi)
[INFO] [stderr]     Checking saba v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.52s
[INFO] running `Command { std: "docker" "inspect" "e2537dd4743c6bf1f1e5e88f03615ce4c3106efb5d4bbc605b229df4d293fdd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2537dd4743c6bf1f1e5e88f03615ce4c3106efb5d4bbc605b229df4d293fdd7", kill_on_drop: false }`
[INFO] [stdout] e2537dd4743c6bf1f1e5e88f03615ce4c3106efb5d4bbc605b229df4d293fdd7