[INFO] fetching crate rsblocks 0.1.15...
[INFO] checking rsblocks-0.1.15 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate rsblocks 0.1.15 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rsblocks 0.1.15 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsblocks 0.1.15
[INFO] finished tweaking crates.io crate rsblocks 0.1.15
[INFO] tweaked toml for crates.io crate rsblocks 0.1.15 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rsblocks 0.1.15 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b73b806b1b9c64b7848f96ee9eecaeb268c76380d02ab7051ef96fdf2d9fe003
[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" "b73b806b1b9c64b7848f96ee9eecaeb268c76380d02ab7051ef96fdf2d9fe003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b73b806b1b9c64b7848f96ee9eecaeb268c76380d02ab7051ef96fdf2d9fe003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b73b806b1b9c64b7848f96ee9eecaeb268c76380d02ab7051ef96fdf2d9fe003", kill_on_drop: false }`
[INFO] [stdout] b73b806b1b9c64b7848f96ee9eecaeb268c76380d02ab7051ef96fdf2d9fe003
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad9879dcec864f6f8460fc2dfe032d4b6e5b8fb367e168984b22385577e988c7
[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" "ad9879dcec864f6f8460fc2dfe032d4b6e5b8fb367e168984b22385577e988c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling minreq v2.3.1
[INFO] [stderr]    Compiling battery v0.7.8
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking ref_slice v1.2.1
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking mpd v0.0.12
[INFO] [stderr]     Checking dbus v0.9.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking async-io v1.4.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking uom v0.30.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking async-net v1.6.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking breadx v0.1.12
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking rsblocks v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.01s
[INFO] running `Command { std: "docker" "inspect" "ad9879dcec864f6f8460fc2dfe032d4b6e5b8fb367e168984b22385577e988c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad9879dcec864f6f8460fc2dfe032d4b6e5b8fb367e168984b22385577e988c7", kill_on_drop: false }`
[INFO] [stdout] ad9879dcec864f6f8460fc2dfe032d4b6e5b8fb367e168984b22385577e988c7