[INFO] crate reference-counted-singleton 0.1.1 is already in cache
[INFO] crate reference-counted-singleton 0.1.1 is already in cache
[INFO] crate reference-counted-singleton 0.1.1 is already in cache
[INFO] crate reference-counted-singleton 0.1.1 is already in cache
[INFO] crate reference-counted-singleton 0.1.1 is already in cache
[INFO] crate reference-counted-singleton 0.1.1 is already in cache
[INFO] crate reference-counted-singleton 0.1.1 is already in cache
[INFO] crate reference-counted-singleton 0.1.1 is already in cache
[INFO] crate reference-counted-singleton 0.1.1 is already in cache
[INFO] crate reference-counted-singleton 0.1.1 is already in cache
[INFO] crate reference-counted-singleton 0.1.1 is already in cache
[INFO] crate reference-counted-singleton 0.1.1 is already in cache
[INFO] crate reference-counted-singleton 0.1.1 is already in cache
[INFO] crate reference-counted-singleton 0.1.1 is already in cache
[INFO] crate reference-counted-singleton 0.1.1 is already in cache
[INFO] checking reference-counted-singleton-0.1.1 against master#ea6ab1bd845790fb31ba790d2c7aec898f89fe62 for pr-99880
[INFO] extracting crate reference-counted-singleton 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate reference-counted-singleton 0.1.1 on toolchain ea6ab1bd845790fb31ba790d2c7aec898f89fe62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reference-counted-singleton 0.1.1
[INFO] finished tweaking crates.io crate reference-counted-singleton 0.1.1
[INFO] tweaked toml for crates.io crate reference-counted-singleton 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c75414e725a91e5f2093114502aef4a01b88d61489b57d868100c3d7bec39864
[INFO] running `Command { std: "docker" "start" "-a" "c75414e725a91e5f2093114502aef4a01b88d61489b57d868100c3d7bec39864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c75414e725a91e5f2093114502aef4a01b88d61489b57d868100c3d7bec39864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c75414e725a91e5f2093114502aef4a01b88d61489b57d868100c3d7bec39864", kill_on_drop: false }`
[INFO] [stdout] c75414e725a91e5f2093114502aef4a01b88d61489b57d868100c3d7bec39864
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 92e4ca0d7b46647d4d2080f5ac1522b226615e5f1b19931ddd5b3470020069f8
[INFO] running `Command { std: "docker" "start" "-a" "92e4ca0d7b46647d4d2080f5ac1522b226615e5f1b19931ddd5b3470020069f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking reference-counted-singleton v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.96s
[INFO] running `Command { std: "docker" "inspect" "92e4ca0d7b46647d4d2080f5ac1522b226615e5f1b19931ddd5b3470020069f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92e4ca0d7b46647d4d2080f5ac1522b226615e5f1b19931ddd5b3470020069f8", kill_on_drop: false }`
[INFO] [stdout] 92e4ca0d7b46647d4d2080f5ac1522b226615e5f1b19931ddd5b3470020069f8