[INFO] fetching crate dep-obj 0.20.2...
[INFO] checking dep-obj-0.20.2 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate dep-obj 0.20.2 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate dep-obj 0.20.2 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dep-obj 0.20.2
[INFO] finished tweaking crates.io crate dep-obj 0.20.2
[INFO] tweaked toml for crates.io crate dep-obj 0.20.2 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate crates.io crate dep-obj 0.20.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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 dyn-context v0.10.0
[INFO] [stderr]   Downloaded components-arena v2.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97e8982c47e5d7d50e85de805c500817c43b165d7f48ff407792b883e171c5ff
[INFO] running `Command { std: "docker" "start" "-a" "97e8982c47e5d7d50e85de805c500817c43b165d7f48ff407792b883e171c5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97e8982c47e5d7d50e85de805c500817c43b165d7f48ff407792b883e171c5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97e8982c47e5d7d50e85de805c500817c43b165d7f48ff407792b883e171c5ff", kill_on_drop: false }`
[INFO] [stdout] 97e8982c47e5d7d50e85de805c500817c43b165d7f48ff407792b883e171c5ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc7fce7bb44a1beb095bc3907be6df3d4698492f34997e9afd6ed0b79a169dc2
[INFO] running `Command { std: "docker" "start" "-a" "bc7fce7bb44a1beb095bc3907be6df3d4698492f34997e9afd6ed0b79a169dc2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking generics v0.3.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking macro-attr-2018 v1.1.1
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling enum-ordinalize v3.1.10
[INFO] [stderr]    Compiling educe v0.4.18
[INFO] [stderr]     Checking phantom-type v0.3.1
[INFO] [stderr]     Checking components-arena v2.1.5
[INFO] [stderr]     Checking dyn-context v0.10.0
[INFO] [stderr]     Checking dep-obj v0.20.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.01s
[INFO] running `Command { std: "docker" "inspect" "bc7fce7bb44a1beb095bc3907be6df3d4698492f34997e9afd6ed0b79a169dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7fce7bb44a1beb095bc3907be6df3d4698492f34997e9afd6ed0b79a169dc2", kill_on_drop: false }`
[INFO] [stdout] bc7fce7bb44a1beb095bc3907be6df3d4698492f34997e9afd6ed0b79a169dc2