[INFO] cloning repository https://github.com/marioyaksetig/7th_estate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marioyaksetig/7th_estate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarioyaksetig%2F7th_estate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarioyaksetig%2F7th_estate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ba81bd1bceb26c85b6bee61c212338d7f229f73
[INFO] checking marioyaksetig/7th_estate against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarioyaksetig%2F7th_estate" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marioyaksetig/7th_estate on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marioyaksetig/7th_estate
[INFO] finished tweaking git repo https://github.com/marioyaksetig/7th_estate
[INFO] tweaked toml for git repo https://github.com/marioyaksetig/7th_estate written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/marioyaksetig/7th_estate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f1bc35463eedb165de4d7a32a780666db63c020c20a3af654f04280126b35b3
[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" "1f1bc35463eedb165de4d7a32a780666db63c020c20a3af654f04280126b35b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f1bc35463eedb165de4d7a32a780666db63c020c20a3af654f04280126b35b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f1bc35463eedb165de4d7a32a780666db63c020c20a3af654f04280126b35b3", kill_on_drop: false }`
[INFO] [stdout] 1f1bc35463eedb165de4d7a32a780666db63c020c20a3af654f04280126b35b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca0f1771c0369e3797325f74fede00cab3c784851b275f3591013224e9978c6f
[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" "ca0f1771c0369e3797325f74fede00cab3c784851b275f3591013224e9978c6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking strum v0.17.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]    Compiling typename_derive v0.1.4
[INFO] [stderr]     Checking dbl v0.2.1
[INFO] [stderr]     Checking threshold-secret-sharing v0.2.2
[INFO] [stderr]    Compiling strum_macros v0.17.1
[INFO] [stderr]     Checking signature v1.0.0-pre.1
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking subtle-encoding v0.4.1
[INFO] [stderr]     Checking secrecy v0.6.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_json v1.0.59
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[INFO] [stderr]     Checking cmac v0.2.0
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking ed25519 v1.0.0-pre.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking signatory v0.17.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]    Compiling curve25519-dalek v1.2.4
[INFO] [stderr]     Checking scrypt v0.2.0
[INFO] [stderr]     Checking typename v0.1.2
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]     Checking signatory-dalek v0.17.0
[INFO] [stderr]     Checking seventh-estate v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TaggedChoiceValue`
[INFO] [stdout]  --> src/planes/mod.rs:5:46
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::ballots::{BallotSerial, VoteCode, TaggedChoiceValue};
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TaggedChoiceValue`
[INFO] [stdout]  --> src/planes/mod.rs:5:46
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::ballots::{BallotSerial, VoteCode, TaggedChoiceValue};
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_ballots`
[INFO] [stdout]   --> src/planes/record.rs:44:38
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn serializable(self: &Self, num_ballots: usize) -> PlaneRecordFileRow {
[INFO] [stdout]    |                                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_ballots`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `poll_master_key`
[INFO] [stdout]   --> src/subcommands/sign.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (poll_master_key, aead_pmk) = read_poll_master_key(&secured_poll_configuration);
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_poll_master_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_ballots`
[INFO] [stdout]   --> src/planes/record.rs:44:38
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn serializable(self: &Self, num_ballots: usize) -> PlaneRecordFileRow {
[INFO] [stdout]    |                                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_ballots`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `poll_master_key`
[INFO] [stdout]   --> src/subcommands/sign.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (poll_master_key, aead_pmk) = read_poll_master_key(&secured_poll_configuration);
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_poll_master_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/subcommands/sign.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut secured_poll_configuration = read_poll_configuration_file(pollconf_filename)?;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_values`
[INFO] [stdout]   --> src/cryptography/kdf.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn from_values(values: KDFValues) -> KDFString {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `values`
[INFO] [stdout]   --> src/cryptography/kdf.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn values(self: &Self) -> Result<KDFValues> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_threshold`
[INFO] [stdout]   --> src/cryptography/secret_sharing.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn with_threshold(mut self, threshold: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_bytes`
[INFO] [stdout]   --> src/cryptography/fast_dice_roller.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn append_bytes(&mut self, stream: &[u8]) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `random_interval`
[INFO] [stdout]   --> src/cryptography/fast_dice_roller.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn random_interval(&mut self, min: i128, max: i128) -> Option<i128> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `serial`
[INFO] [stdout]   --> src/ballots/tagged.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     serial: TaggedSerial,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `choice1`
[INFO] [stdout]   --> src/ballots/tagged.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     choice1: TaggedBallotChoice,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `choice2`
[INFO] [stdout]   --> src/ballots/tagged.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     choice2: TaggedBallotChoice
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/subcommands/sign.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut secured_poll_configuration = read_poll_configuration_file(pollconf_filename)?;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_values`
[INFO] [stdout]   --> src/cryptography/kdf.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn from_values(values: KDFValues) -> KDFString {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `values`
[INFO] [stdout]   --> src/cryptography/kdf.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn values(self: &Self) -> Result<KDFValues> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_threshold`
[INFO] [stdout]   --> src/cryptography/secret_sharing.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn with_threshold(mut self, threshold: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_bytes`
[INFO] [stdout]   --> src/cryptography/fast_dice_roller.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn append_bytes(&mut self, stream: &[u8]) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `random_interval`
[INFO] [stdout]   --> src/cryptography/fast_dice_roller.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn random_interval(&mut self, min: i128, max: i128) -> Option<i128> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `serial`
[INFO] [stdout]   --> src/ballots/tagged.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     serial: TaggedSerial,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `choice1`
[INFO] [stdout]   --> src/ballots/tagged.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     choice1: TaggedBallotChoice,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `choice2`
[INFO] [stdout]   --> src/ballots/tagged.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     choice2: TaggedBallotChoice
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.64s
[INFO] running `Command { std: "docker" "inspect" "ca0f1771c0369e3797325f74fede00cab3c784851b275f3591013224e9978c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca0f1771c0369e3797325f74fede00cab3c784851b275f3591013224e9978c6f", kill_on_drop: false }`
[INFO] [stdout] ca0f1771c0369e3797325f74fede00cab3c784851b275f3591013224e9978c6f