[INFO] fetching crate zerogc-context 0.2.0-alpha.5...
[INFO] checking zerogc-context-0.2.0-alpha.5 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate zerogc-context 0.2.0-alpha.5 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate zerogc-context 0.2.0-alpha.5 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zerogc-context 0.2.0-alpha.5
[INFO] finished tweaking crates.io crate zerogc-context 0.2.0-alpha.5
[INFO] tweaked toml for crates.io crate zerogc-context 0.2.0-alpha.5 written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2eab9604b01d8697275b397858bd0201f4d28f3949c72cf06af6b25568c079cd
[INFO] running `Command { std: "docker" "start" "-a" "2eab9604b01d8697275b397858bd0201f4d28f3949c72cf06af6b25568c079cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eab9604b01d8697275b397858bd0201f4d28f3949c72cf06af6b25568c079cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eab9604b01d8697275b397858bd0201f4d28f3949c72cf06af6b25568c079cd", kill_on_drop: false }`
[INFO] [stdout] 2eab9604b01d8697275b397858bd0201f4d28f3949c72cf06af6b25568c079cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3b34e2f9e8f4f2faf8d4391417b2a5b23059c0654c2391556ed09c5a2635576
[INFO] running `Command { std: "docker" "start" "-a" "e3b34e2f9e8f4f2faf8d4391417b2a5b23059c0654c2391556ed09c5a2635576", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling proc-macro-kwargs-derive v0.1.5
[INFO] [stderr]    Compiling proc-macro-kwargs v0.1.5
[INFO] [stderr]    Compiling zerogc-derive v0.2.0-alpha.5
[INFO] [stderr]     Checking zerogc v0.2.0-alpha.5
[INFO] [stderr]     Checking zerogc-context v0.2.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.82s
[INFO] running `Command { std: "docker" "inspect" "e3b34e2f9e8f4f2faf8d4391417b2a5b23059c0654c2391556ed09c5a2635576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b34e2f9e8f4f2faf8d4391417b2a5b23059c0654c2391556ed09c5a2635576", kill_on_drop: false }`
[INFO] [stdout] e3b34e2f9e8f4f2faf8d4391417b2a5b23059c0654c2391556ed09c5a2635576