[INFO] fetching crate myna 0.3.0...
[INFO] checking myna-0.3.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate myna 0.3.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate myna 0.3.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate myna 0.3.0
[INFO] finished tweaking crates.io crate myna 0.3.0
[INFO] tweaked toml for crates.io crate myna 0.3.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 286a730d423ecc9dfa0d6b417ce8a533dfec05299100cf70dbac44982f05ca28
[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" "286a730d423ecc9dfa0d6b417ce8a533dfec05299100cf70dbac44982f05ca28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "286a730d423ecc9dfa0d6b417ce8a533dfec05299100cf70dbac44982f05ca28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286a730d423ecc9dfa0d6b417ce8a533dfec05299100cf70dbac44982f05ca28", kill_on_drop: false }`
[INFO] [stdout] 286a730d423ecc9dfa0d6b417ce8a533dfec05299100cf70dbac44982f05ca28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8541ba22e8af46218b4b859f2663940866c43fc7942cea28d9e0d2da55388f61
[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" "8541ba22e8af46218b4b859f2663940866c43fc7942cea28d9e0d2da55388f61", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]    Compiling num-bigint-dig v0.6.1
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rusticata-macros v2.1.0
[INFO] [stderr]     Checking der-parser v3.0.4
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]     Checking x509-parser v0.7.0
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking rsa v0.2.0
[INFO] [stderr]     Checking myna v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/crypto.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 95  | /         match verify(capub, hashed, cert.signature_value.data) {
[INFO] [stdout] 96  | |             Ok(()) => return Ok(()),
[INFO] [stdout] 97  | |             Err(_) => return Err(Error::VerificationError),
[INFO] [stdout] 98  | |         };
[INFO] [stdout]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] ...
[INFO] [stdout] 104 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `password`
[INFO] [stdout]   --> src/utils.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn check_password(password: &str) -> bool {
[INFO] [stdout]    |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_password`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/crypto.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 95  | /         match verify(capub, hashed, cert.signature_value.data) {
[INFO] [stdout] 96  | |             Ok(()) => return Ok(()),
[INFO] [stdout] 97  | |             Err(_) => return Err(Error::VerificationError),
[INFO] [stdout] 98  | |         };
[INFO] [stdout]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] ...
[INFO] [stdout] 104 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `password`
[INFO] [stdout]   --> src/utils.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn check_password(password: &str) -> bool {
[INFO] [stdout]    |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_password`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[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 37.66s
[INFO] running `Command { std: "docker" "inspect" "8541ba22e8af46218b4b859f2663940866c43fc7942cea28d9e0d2da55388f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8541ba22e8af46218b4b859f2663940866c43fc7942cea28d9e0d2da55388f61", kill_on_drop: false }`
[INFO] [stdout] 8541ba22e8af46218b4b859f2663940866c43fc7942cea28d9e0d2da55388f61