[INFO] fetching crate scid 0.3.0...
[INFO] checking scid-0.3.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate scid 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate scid 0.3.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scid 0.3.0
[INFO] finished tweaking crates.io crate scid 0.3.0
[INFO] tweaked toml for crates.io crate scid 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha2 v0.7.1
[INFO] [stderr]   Downloaded block-buffer v0.3.3
[INFO] [stderr]   Downloaded integer-encoding v1.0.8
[INFO] [stderr]   Downloaded byte-tools v0.2.0
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded generic-array v0.9.1
[INFO] [stderr]   Downloaded digest v0.7.6
[INFO] [stderr]   Downloaded fake-simd v0.1.2
[INFO] [stderr]   Downloaded multihash v0.8.0
[INFO] [stderr]   Downloaded multibase v0.6.0
[INFO] [stderr]   Downloaded sha1 v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] 1b8c3f41543d0817cc58910fa50262d48646414b85a097aa63cde407028afd19
[INFO] running `Command { std: "docker" "start" "-a" "1b8c3f41543d0817cc58910fa50262d48646414b85a097aa63cde407028afd19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b8c3f41543d0817cc58910fa50262d48646414b85a097aa63cde407028afd19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b8c3f41543d0817cc58910fa50262d48646414b85a097aa63cde407028afd19", kill_on_drop: false }`
[INFO] [stdout] 1b8c3f41543d0817cc58910fa50262d48646414b85a097aa63cde407028afd19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb29d7fc30f806c1f8f34bd5bf6d35c9e7f05080132ae858dc6a4169bdb091e6
[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" "cb29d7fc30f806c1f8f34bd5bf6d35c9e7f05080132ae858dc6a4169bdb091e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking sha1 v0.5.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking multibase v0.6.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking generic-array v0.9.1
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking multihash v0.8.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking integer-encoding v1.0.8
[INFO] [stderr]     Checking scid v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |         f.write_str(error::Error::description(self))
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |         f.write_str(error::Error::description(self))
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.09s
[INFO] running `Command { std: "docker" "inspect" "cb29d7fc30f806c1f8f34bd5bf6d35c9e7f05080132ae858dc6a4169bdb091e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb29d7fc30f806c1f8f34bd5bf6d35c9e7f05080132ae858dc6a4169bdb091e6", kill_on_drop: false }`
[INFO] [stdout] cb29d7fc30f806c1f8f34bd5bf6d35c9e7f05080132ae858dc6a4169bdb091e6