[INFO] crate schemeguardian 0.2.0-alpha.3 is already in cache
[INFO] checking schemeguardian-0.2.0-alpha.3 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate schemeguardian 0.2.0-alpha.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate schemeguardian 0.2.0-alpha.3 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--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-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" "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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b19f4c2821222948a8fd7c3a01dc1d44976707c097b501eab86a7ebc11f41db5
[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" "b19f4c2821222948a8fd7c3a01dc1d44976707c097b501eab86a7ebc11f41db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b19f4c2821222948a8fd7c3a01dc1d44976707c097b501eab86a7ebc11f41db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b19f4c2821222948a8fd7c3a01dc1d44976707c097b501eab86a7ebc11f41db5", kill_on_drop: false }`
[INFO] [stdout] b19f4c2821222948a8fd7c3a01dc1d44976707c097b501eab86a7ebc11f41db5
[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" "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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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] 73582d017796e17cb9e53b6cf1447719dc490eb943262ea01b947b2424eab95e
[INFO] running `Command { std: "docker" "start" "-a" "73582d017796e17cb9e53b6cf1447719dc490eb943262ea01b947b2424eab95e", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking timelite v1.0.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking orion v0.15.2
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking rand_chacha v0.2.2
[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 rand v0.7.3
[INFO] [stderr]     Checking branca v0.9.1
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.112
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking custom_codes v1.2.10
[INFO] [stderr]     Checking tai64 v3.1.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking redactedsecret v0.4.1
[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 56.13s
[INFO] running `Command { std: "docker" "inspect" "73582d017796e17cb9e53b6cf1447719dc490eb943262ea01b947b2424eab95e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73582d017796e17cb9e53b6cf1447719dc490eb943262ea01b947b2424eab95e", kill_on_drop: false }`
[INFO] [stdout] 73582d017796e17cb9e53b6cf1447719dc490eb943262ea01b947b2424eab95e