[INFO] fetching crate varlen_example 0.1.2...
[INFO] checking varlen_example-0.1.2 against master#8c6ce6b91b172f77c795a74bfeaf74b865146b3f for pr-101345
[INFO] extracting crate varlen_example 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate varlen_example 0.1.2 on toolchain 8c6ce6b91b172f77c795a74bfeaf74b865146b3f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate varlen_example 0.1.2
[INFO] finished tweaking crates.io crate varlen_example 0.1.2
[INFO] tweaked toml for crates.io crate varlen_example 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded varlen_macro v0.1.3
[INFO] [stderr]   Downloaded varlen v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d78f29bddacd11d727869b466379b2a8b75589569896a44ef16e8d5f4b0f7f8a
[INFO] running `Command { std: "docker" "start" "-a" "d78f29bddacd11d727869b466379b2a8b75589569896a44ef16e8d5f4b0f7f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d78f29bddacd11d727869b466379b2a8b75589569896a44ef16e8d5f4b0f7f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78f29bddacd11d727869b466379b2a8b75589569896a44ef16e8d5f4b0f7f8a", kill_on_drop: false }`
[INFO] [stdout] d78f29bddacd11d727869b466379b2a8b75589569896a44ef16e8d5f4b0f7f8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15183cc161be92037d9e9f7277fea915b61be9a06924ca0da28bdf7cb00ceece
[INFO] running `Command { std: "docker" "start" "-a" "15183cc161be92037d9e9f7277fea915b61be9a06924ca0da28bdf7cb00ceece", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]    Compiling trybuild v1.0.64
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]    Compiling varlen_macro v0.1.3
[INFO] [stderr]     Checking varlen v0.1.2
[INFO] [stderr]     Checking varlen_example v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.86s
[INFO] running `Command { std: "docker" "inspect" "15183cc161be92037d9e9f7277fea915b61be9a06924ca0da28bdf7cb00ceece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15183cc161be92037d9e9f7277fea915b61be9a06924ca0da28bdf7cb00ceece", kill_on_drop: false }`
[INFO] [stdout] 15183cc161be92037d9e9f7277fea915b61be9a06924ca0da28bdf7cb00ceece