[INFO] crate keystore 0.0.0 is already in cache
[INFO] checking keystore-0.0.0 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate keystore 0.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate keystore 0.0.0 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate keystore 0.0.0
[INFO] finished tweaking crates.io crate keystore 0.0.0
[INFO] tweaked toml for crates.io crate keystore 0.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "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] f1aee08e08d0d8bdf0aa2515fa8771156cd06dbc433abf0ff14c354f8c7e0b17
[INFO] running `Command { std: "docker" "start" "-a" "f1aee08e08d0d8bdf0aa2515fa8771156cd06dbc433abf0ff14c354f8c7e0b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1aee08e08d0d8bdf0aa2515fa8771156cd06dbc433abf0ff14c354f8c7e0b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1aee08e08d0d8bdf0aa2515fa8771156cd06dbc433abf0ff14c354f8c7e0b17", kill_on_drop: false }`
[INFO] [stdout] f1aee08e08d0d8bdf0aa2515fa8771156cd06dbc433abf0ff14c354f8c7e0b17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9c4b4d630c53672bbca3b11858d70c2a41836ac028a2b17b8d31f654fd9a445
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a9c4b4d630c53672bbca3b11858d70c2a41836ac028a2b17b8d31f654fd9a445", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking canonical-path v2.0.2
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking color-backtrace v0.3.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling gumdrop_derive v0.7.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking tracing v0.1.16
[INFO] [stderr]     Checking gumdrop v0.7.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling abscissa_derive v0.5.0
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking secrecy v0.6.0
[INFO] [stderr]     Checking handlebars v2.0.4
[INFO] [stderr]     Checking tracing-subscriber v0.1.6
[INFO] [stderr]     Checking abscissa_core v0.5.2
[INFO] [stderr]     Checking abscissa v0.5.1
[INFO] [stderr]     Checking keystore v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.46s
[INFO] running `Command { std: "docker" "inspect" "a9c4b4d630c53672bbca3b11858d70c2a41836ac028a2b17b8d31f654fd9a445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c4b4d630c53672bbca3b11858d70c2a41836ac028a2b17b8d31f654fd9a445", kill_on_drop: false }`
[INFO] [stdout] a9c4b4d630c53672bbca3b11858d70c2a41836ac028a2b17b8d31f654fd9a445