[INFO] fetching crate schemeguardian 0.2.0-alpha.3...
[INFO] checking schemeguardian-0.2.0-alpha.3 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate schemeguardian 0.2.0-alpha.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate schemeguardian 0.2.0-alpha.3 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate schemeguardian 0.2.0-alpha.3
[INFO] finished tweaking crates.io crate schemeguardian 0.2.0-alpha.3
[INFO] tweaked toml for crates.io crate schemeguardian 0.2.0-alpha.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30b79abc88df9ad4a6131dcf50da79e75bb66a7fbbcfbb71c9e9e1d9efd08401
[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" "30b79abc88df9ad4a6131dcf50da79e75bb66a7fbbcfbb71c9e9e1d9efd08401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30b79abc88df9ad4a6131dcf50da79e75bb66a7fbbcfbb71c9e9e1d9efd08401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30b79abc88df9ad4a6131dcf50da79e75bb66a7fbbcfbb71c9e9e1d9efd08401", kill_on_drop: false }`
[INFO] [stdout] 30b79abc88df9ad4a6131dcf50da79e75bb66a7fbbcfbb71c9e9e1d9efd08401
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 6612baf67b01b6306b23ba04ed6da0fb0b33efa6905fe783db195ec0c2f9564e
[INFO] running `Command { std: "docker" "start" "-a" "6612baf67b01b6306b23ba04ed6da0fb0b33efa6905fe783db195ec0c2f9564e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking base-x v0.2.8
[INFO] [stderr]     Checking timelite v1.0.4
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking rust-argon2 v0.5.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking orion v0.15.5
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking branca v0.9.2
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking tai64 v3.1.0
[INFO] [stderr]     Checking custom_codes v1.2.10
[INFO] [stderr]     Checking redactedsecret v0.4.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking sled v0.29.2
[INFO] [stderr]     Checking schemeguardian v0.2.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value passed to `self` is never read
[INFO] [stdout]   --> src/sg_statics/keys.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn default(mut self) -> SecretString {
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `self` is never read
[INFO] [stdout]   --> src/sg_statics/keys.rs:41:23
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn branca_key(mut self) -> SecretString {
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `self` is never read
[INFO] [stdout]   --> src/sg_statics/keys.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn default(mut self) -> SecretString {
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `self` is never read
[INFO] [stdout]   --> src/sg_statics/keys.rs:41:23
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn branca_key(mut self) -> SecretString {
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.45s
[INFO] running `Command { std: "docker" "inspect" "6612baf67b01b6306b23ba04ed6da0fb0b33efa6905fe783db195ec0c2f9564e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6612baf67b01b6306b23ba04ed6da0fb0b33efa6905fe783db195ec0c2f9564e", kill_on_drop: false }`
[INFO] [stdout] 6612baf67b01b6306b23ba04ed6da0fb0b33efa6905fe783db195ec0c2f9564e