[INFO] fetching crate sapio-contrib 0.1.2...
[INFO] checking sapio-contrib-0.1.2 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate sapio-contrib 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sapio-contrib 0.1.2 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sapio-contrib 0.1.2
[INFO] finished tweaking crates.io crate sapio-contrib 0.1.2
[INFO] tweaked toml for crates.io crate sapio-contrib 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] 8cea82b33ed68d5ff5258bde5ec6f7e92183942c14c750e3eaa442731e7511e2
[INFO] running `Command { std: "docker" "start" "-a" "8cea82b33ed68d5ff5258bde5ec6f7e92183942c14c750e3eaa442731e7511e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cea82b33ed68d5ff5258bde5ec6f7e92183942c14c750e3eaa442731e7511e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cea82b33ed68d5ff5258bde5ec6f7e92183942c14c750e3eaa442731e7511e2", kill_on_drop: false }`
[INFO] [stdout] 8cea82b33ed68d5ff5258bde5ec6f7e92183942c14c750e3eaa442731e7511e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feadfa92dde2224ec0a8d8f5a5a216fb7ba4aff087b2b65ba68bf870bec4451d
[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" "feadfa92dde2224ec0a8d8f5a5a216fb7ba4aff087b2b65ba68bf870bec4451d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling schemars v0.8.3
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling secp256k1-sys v0.4.0
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]    Compiling schemars_derive v0.8.3
[INFO] [stderr]     Checking bitcoin_hashes v0.9.4
[INFO] [stderr]     Checking sapio-secp256k1 v0.20.1
[INFO] [stderr]     Checking sapio-bitcoin v0.26.0
[INFO] [stderr]     Checking sapio-miniscript v5.1.0
[INFO] [stderr]     Checking sapio-base v0.1.0
[INFO] [stderr]     Checking sapio-ctv-emulator-trait v0.1.2
[INFO] [stderr]     Checking sapio v0.1.2
[INFO] [stderr]     Checking sapio-contrib v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::rngs::OsRng`
[INFO] [stdout]   --> src/contracts/channel.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use rand::rngs::OsRng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `schema_for`
[INFO] [stdout]   --> src/contracts/channel.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | use schemars::{schema_for, JsonSchema};
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/contracts/basic_examples.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |     guard!(timeout | s, ctx | { Clause::Older(100) });
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/basic_examples.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     guard!(timeout | s, ctx | { Clause::Older(100) });
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/basic_examples.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 |     guard!(cached signed |s, ctx| {Clause::And(vec![Clause::Key(s.alice), Clause::Key(s.bob)])});
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/basic_examples.rs:62:34
[INFO] [stdout]    |
[INFO] [stdout] 62 |     guard!(cached all_signed |s, ctx| {Clause::Threshold(T::get_n(s.threshold, s.participants.len()as u8) as usize, s.participants.iter()...
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/contracts/channel.rs:185:22
[INFO] [stdout]     |
[INFO] [stdout] 185 |     guard!(timeout | s, ctx | { Clause::Older(100) });
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/contracts/channel.rs:185:25
[INFO] [stdout]     |
[INFO] [stdout] 185 |     guard!(timeout | s, ctx | { Clause::Older(100) });
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/contracts/channel.rs:186:30
[INFO] [stdout]     |
[INFO] [stdout] 186 |     guard!(cached signed |s, ctx| {Clause::And(vec![Clause::Key(s.alice), Clause::Key(s.bob)])});
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/contracts/channel.rs:190:14
[INFO] [stdout]     |
[INFO] [stdout] 190 |             |s, ctx, o| {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/contracts/channel.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |             |s, ctx, o| {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]    --> src/contracts/channel.rs:190:22
[INFO] [stdout]     |
[INFO] [stdout] 190 |             |s, ctx, o| {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/contracts/channel.rs:196:14
[INFO] [stdout]     |
[INFO] [stdout] 196 |             |s, ctx, o| {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/contracts/channel.rs:196:17
[INFO] [stdout]     |
[INFO] [stdout] 196 |             |s, ctx, o| {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]    --> src/contracts/channel.rs:196:22
[INFO] [stdout]     |
[INFO] [stdout] 196 |             |s, ctx, o| {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/contracts/channel.rs:203:14
[INFO] [stdout]     |
[INFO] [stdout] 203 |             |s, ctx, o| {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/contracts/channel.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |             |s, ctx, o| {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]    --> src/contracts/channel.rs:203:22
[INFO] [stdout]     |
[INFO] [stdout] 203 |             |s, ctx, o| {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/contracts/derivatives/mod.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         ctx | { s.price(true) }
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/contracts/derivatives/mod.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         ctx | { s.price(false) }
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/contracts/derivatives/mod.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         ctx | { s.cooperate.clone() }
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/derivatives/exploding.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |     guard!(signed | s, ctx | { s.key_p2_pk.clone() });
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/contracts/dynamic.rs:46:18
[INFO] [stdout]    |
[INFO] [stdout] 46 |     then! {next |s, ctx| {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/federated_sidechain.rs:72:33
[INFO] [stdout]    |
[INFO] [stdout] 72 |     guard! {finish_recovery |s, ctx| {
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/federated_sidechain.rs:78:33
[INFO] [stdout]    |
[INFO] [stdout] 78 |     guard! {recovery_signed |s, ctx| {
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/federated_sidechain.rs:82:31
[INFO] [stdout]    |
[INFO] [stdout] 82 |     guard! {normal_signed |s, ctx| {
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/hodl_chicken.rs:85:36
[INFO] [stdout]    |
[INFO] [stdout] 85 |     guard! {alice_is_a_chicken |s, ctx| {Clause::Key(s.alice_key)}}
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/hodl_chicken.rs:86:34
[INFO] [stdout]    |
[INFO] [stdout] 86 |     guard! {bob_is_a_chicken |s, ctx| {Clause::Key(s.bob_key)}}
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/readme_contracts.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |     guard!(with_key | s, ctx | { Clause::Key(s.key) });
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/readme_contracts.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         ctx | {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/readme_contracts.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         ctx | {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/readme_contracts.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         ctx | { Clause::And(vec![Clause::Key(s.alice), Clause::Key(s.bob)]) }
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/contracts/readme_contracts.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         ctx | { Clause::And(vec![Clause::Key(s.alice), Clause::Key(s.bob)]) }
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/contracts/basic_examples.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |     guard!(timeout | s, ctx | { Clause::Older(100) });
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/basic_examples.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     guard!(timeout | s, ctx | { Clause::Older(100) });
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/basic_examples.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 |     guard!(cached signed |s, ctx| {Clause::And(vec![Clause::Key(s.alice), Clause::Key(s.bob)])});
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/basic_examples.rs:62:34
[INFO] [stdout]    |
[INFO] [stdout] 62 |     guard!(cached all_signed |s, ctx| {Clause::Threshold(T::get_n(s.threshold, s.participants.len()as u8) as usize, s.participants.iter()...
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/contracts/channel.rs:185:22
[INFO] [stdout]     |
[INFO] [stdout] 185 |     guard!(timeout | s, ctx | { Clause::Older(100) });
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/contracts/channel.rs:185:25
[INFO] [stdout]     |
[INFO] [stdout] 185 |     guard!(timeout | s, ctx | { Clause::Older(100) });
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/contracts/channel.rs:186:30
[INFO] [stdout]     |
[INFO] [stdout] 186 |     guard!(cached signed |s, ctx| {Clause::And(vec![Clause::Key(s.alice), Clause::Key(s.bob)])});
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/contracts/channel.rs:190:14
[INFO] [stdout]     |
[INFO] [stdout] 190 |             |s, ctx, o| {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/contracts/channel.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |             |s, ctx, o| {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]    --> src/contracts/channel.rs:190:22
[INFO] [stdout]     |
[INFO] [stdout] 190 |             |s, ctx, o| {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/contracts/channel.rs:196:14
[INFO] [stdout]     |
[INFO] [stdout] 196 |             |s, ctx, o| {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/contracts/channel.rs:196:17
[INFO] [stdout]     |
[INFO] [stdout] 196 |             |s, ctx, o| {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]    --> src/contracts/channel.rs:196:22
[INFO] [stdout]     |
[INFO] [stdout] 196 |             |s, ctx, o| {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/contracts/channel.rs:203:14
[INFO] [stdout]     |
[INFO] [stdout] 203 |             |s, ctx, o| {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/contracts/channel.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |             |s, ctx, o| {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]    --> src/contracts/channel.rs:203:22
[INFO] [stdout]     |
[INFO] [stdout] 203 |             |s, ctx, o| {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/contracts/derivatives/mod.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         ctx | { s.price(true) }
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/contracts/derivatives/mod.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         ctx | { s.price(false) }
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/contracts/derivatives/mod.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         ctx | { s.cooperate.clone() }
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/derivatives/exploding.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |     guard!(signed | s, ctx | { s.key_p2_pk.clone() });
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/contracts/dynamic.rs:46:18
[INFO] [stdout]    |
[INFO] [stdout] 46 |     then! {next |s, ctx| {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/federated_sidechain.rs:72:33
[INFO] [stdout]    |
[INFO] [stdout] 72 |     guard! {finish_recovery |s, ctx| {
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/federated_sidechain.rs:78:33
[INFO] [stdout]    |
[INFO] [stdout] 78 |     guard! {recovery_signed |s, ctx| {
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/federated_sidechain.rs:82:31
[INFO] [stdout]    |
[INFO] [stdout] 82 |     guard! {normal_signed |s, ctx| {
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/hodl_chicken.rs:85:36
[INFO] [stdout]    |
[INFO] [stdout] 85 |     guard! {alice_is_a_chicken |s, ctx| {Clause::Key(s.alice_key)}}
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/hodl_chicken.rs:86:34
[INFO] [stdout]    |
[INFO] [stdout] 86 |     guard! {bob_is_a_chicken |s, ctx| {Clause::Key(s.bob_key)}}
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/readme_contracts.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |     guard!(with_key | s, ctx | { Clause::Key(s.key) });
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/readme_contracts.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         ctx | {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/readme_contracts.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         ctx | {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/contracts/readme_contracts.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         ctx | { Clause::And(vec![Clause::Key(s.alice), Clause::Key(s.bob)]) }
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/contracts/readme_contracts.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         ctx | { Clause::And(vec![Clause::Key(s.alice), Clause::Key(s.bob)]) }
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `register_db`
[INFO] [stdout]    --> src/contracts/channel.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn register_db(s: String, f: fn(&str) -> Arc<Mutex<dyn DB>>) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/contracts/channel.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         Compilable::compile(&x, &mut ctx);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/contracts/channel.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         Compilable::compile(&y, &mut ctx);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.07s
[INFO] running `Command { std: "docker" "inspect" "feadfa92dde2224ec0a8d8f5a5a216fb7ba4aff087b2b65ba68bf870bec4451d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feadfa92dde2224ec0a8d8f5a5a216fb7ba4aff087b2b65ba68bf870bec4451d", kill_on_drop: false }`
[INFO] [stdout] feadfa92dde2224ec0a8d8f5a5a216fb7ba4aff087b2b65ba68bf870bec4451d