[INFO] cloning repository https://github.com/gennyble/sail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gennyble/sail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgennyble%2Fsail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgennyble%2Fsail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b94808251c45753c449bc748fa45edbc345b27e
[INFO] checking gennyble/sail against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgennyble%2Fsail" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gennyble/sail on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gennyble/sail
[INFO] finished tweaking git repo https://github.com/gennyble/sail
[INFO] tweaked toml for git repo https://github.com/gennyble/sail written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/gennyble/sail already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "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] 4dd1a68352235aae5adcfd75d3a439b603e7b03b767f28d817994c68748d39a3
[INFO] running `Command { std: "docker" "start" "-a" "4dd1a68352235aae5adcfd75d3a439b603e7b03b767f28d817994c68748d39a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dd1a68352235aae5adcfd75d3a439b603e7b03b767f28d817994c68748d39a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd1a68352235aae5adcfd75d3a439b603e7b03b767f28d817994c68748d39a3", kill_on_drop: false }`
[INFO] [stdout] 4dd1a68352235aae5adcfd75d3a439b603e7b03b767f28d817994c68748d39a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "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] 76cc443acfa43b4e575deba733f6537395ce8ffc56cca93e7de6bb60e7fa3d40
[INFO] running `Command { std: "docker" "start" "-a" "76cc443acfa43b4e575deba733f6537395ce8ffc56cca93e7de6bb60e7fa3d40", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking async-io v1.4.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking async-net v1.6.0
[INFO] [stderr]     Checking async-process v1.1.0
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking sail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `reverse_path`
[INFO] [stdout]    --> src/transaction.rs:128:27
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn validate_reverse_path(reverse_path: &str) -> bool {
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reverse_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `forward_path`
[INFO] [stdout]    --> src/transaction.rs:132:27
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn validate_forward_path(forward_path: &str) -> bool {
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_forward_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]   --> src/client.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let (code, text) = self.reply.split_at(3);
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/client.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let code = ResponseCode::from_code(code.parse().ok()?)?;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reverse_path`
[INFO] [stdout]    --> src/transaction.rs:128:27
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn validate_reverse_path(reverse_path: &str) -> bool {
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reverse_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `forward_path`
[INFO] [stdout]    --> src/transaction.rs:132:27
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn validate_forward_path(forward_path: &str) -> bool {
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_forward_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]   --> src/client.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let (code, text) = self.reply.split_at(3);
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/client.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let code = ResponseCode::from_code(code.parse().ok()?)?;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `validate_reverse_path`
[INFO] [stdout]    --> src/transaction.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn validate_reverse_path(reverse_path: &str) -> bool {
[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: `validate_forward_path`
[INFO] [stdout]    --> src/transaction.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn validate_forward_path(forward_path: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]  --> src/client.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 3 |     state: State,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reply`
[INFO] [stdout]  --> src/client.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     reply: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reverse_path`
[INFO] [stdout]  --> src/client.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     reverse_path: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `forward_path`
[INFO] [stdout]  --> src/client.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     forward_path: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]  --> src/client.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 7 |     data: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `initiate`
[INFO] [stdout]   --> src/client.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn initiate(
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> src/client.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn push(&mut self, reply: &str) -> Option<Command> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `process_reply`
[INFO] [stdout]   --> src/client.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn process_reply(&mut self) -> Option<Command> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Greeted`
[INFO] [stdout]   --> src/client.rs:55:2
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Greeted,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SentForwardPath`
[INFO] [stdout]   --> src/client.rs:56:2
[INFO] [stdout]    |
[INFO] [stdout] 56 |     SentForwardPath,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SendingReversePaths`
[INFO] [stdout]   --> src/client.rs:57:2
[INFO] [stdout]    |
[INFO] [stdout] 57 |     SendingReversePaths,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SendingData`
[INFO] [stdout]   --> src/client.rs:58:2
[INFO] [stdout]    |
[INFO] [stdout] 58 |     SendingData,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_string`
[INFO] [stdout]   --> src/command.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn as_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `validate_reverse_path`
[INFO] [stdout]    --> src/transaction.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn validate_reverse_path(reverse_path: &str) -> bool {
[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: `validate_forward_path`
[INFO] [stdout]    --> src/transaction.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn validate_forward_path(forward_path: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]  --> src/client.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 3 |     state: State,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reply`
[INFO] [stdout]  --> src/client.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     reply: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reverse_path`
[INFO] [stdout]  --> src/client.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     reverse_path: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `forward_path`
[INFO] [stdout]  --> src/client.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     forward_path: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]  --> src/client.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 7 |     data: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `initiate`
[INFO] [stdout]   --> src/client.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn initiate(
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> src/client.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn push(&mut self, reply: &str) -> Option<Command> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `process_reply`
[INFO] [stdout]   --> src/client.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn process_reply(&mut self) -> Option<Command> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Greeted`
[INFO] [stdout]   --> src/client.rs:55:2
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Greeted,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SentForwardPath`
[INFO] [stdout]   --> src/client.rs:56:2
[INFO] [stdout]    |
[INFO] [stdout] 56 |     SentForwardPath,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SendingReversePaths`
[INFO] [stdout]   --> src/client.rs:57:2
[INFO] [stdout]    |
[INFO] [stdout] 57 |     SendingReversePaths,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SendingData`
[INFO] [stdout]   --> src/client.rs:58:2
[INFO] [stdout]    |
[INFO] [stdout] 58 |     SendingData,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_string`
[INFO] [stdout]   --> src/command.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn as_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.63s
[INFO] running `Command { std: "docker" "inspect" "76cc443acfa43b4e575deba733f6537395ce8ffc56cca93e7de6bb60e7fa3d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76cc443acfa43b4e575deba733f6537395ce8ffc56cca93e7de6bb60e7fa3d40", kill_on_drop: false }`
[INFO] [stdout] 76cc443acfa43b4e575deba733f6537395ce8ffc56cca93e7de6bb60e7fa3d40