[INFO] cloning repository https://github.com/lockbook/lf-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lockbook/lf-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flockbook%2Flf-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flockbook%2Flf-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b40aab5763807af50cf71b2fd4d1c2fbe0264f4b
[INFO] checking lockbook/lf-rs against try#fc545c6b951a304df08b327c158f92678582f435 for pr-140557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flockbook%2Flf-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lockbook/lf-rs on toolchain fc545c6b951a304df08b327c158f92678582f435
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lockbook/lf-rs
[INFO] finished tweaking git repo https://github.com/lockbook/lf-rs
[INFO] tweaked toml for git repo https://github.com/lockbook/lf-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lockbook/lf-rs 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" "+fc545c6b951a304df08b327c158f92678582f435" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diff-struct v0.5.3
[INFO] [stderr]   Downloaded diff_derive v0.2.3
[INFO] [stderr]   Downloaded atom v0.4.0
[INFO] [stderr]   Downloaded atom v0.3.6
[INFO] [stderr]   Downloaded pulse v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 543d600616c67b7bffb43f8fdcd753a41b0a1146fe88dc8721e25449d11f3f31
[INFO] running `Command { std: "docker" "start" "-a" "543d600616c67b7bffb43f8fdcd753a41b0a1146fe88dc8721e25449d11f3f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "543d600616c67b7bffb43f8fdcd753a41b0a1146fe88dc8721e25449d11f3f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "543d600616c67b7bffb43f8fdcd753a41b0a1146fe88dc8721e25449d11f3f31", kill_on_drop: false }`
[INFO] [stdout] 543d600616c67b7bffb43f8fdcd753a41b0a1146fe88dc8721e25449d11f3f31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+fc545c6b951a304df08b327c158f92678582f435" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b915c4563a7c47f8a73f5287f7224028731aff31eece2859f6c1c4600e02574
[INFO] running `Command { std: "docker" "start" "-a" "2b915c4563a7c47f8a73f5287f7224028731aff31eece2859f6c1c4600e02574", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking atom v0.3.6
[INFO] [stderr]     Checking atom v0.4.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking pulse v0.5.3
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling diff_derive v0.2.3
[INFO] [stderr]     Checking serde v1.0.217
[INFO] [stderr]     Checking diff-struct v0.5.3
[INFO] [stderr]     Checking lf-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `Command { std: "docker" "inspect" "2b915c4563a7c47f8a73f5287f7224028731aff31eece2859f6c1c4600e02574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b915c4563a7c47f8a73f5287f7224028731aff31eece2859f6c1c4600e02574", kill_on_drop: false }`
[INFO] [stdout] 2b915c4563a7c47f8a73f5287f7224028731aff31eece2859f6c1c4600e02574