[INFO] cloning repository https://github.com/37miners/concord
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/37miners/concord" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F37miners%2Fconcord", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F37miners%2Fconcord'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 729b486acb82280f52e8c7ac86fd2142e83016ce
[INFO] testing 37miners/concord against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F37miners%2Fconcord" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/37miners/concord on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/37miners/concord
[INFO] finished tweaking git repo https://github.com/37miners/concord
[INFO] tweaked toml for git repo https://github.com/37miners/concord written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/37miners/concord already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/bitcoinmw/rust-secp256k1-zkp`
[INFO] [stderr]     Updating git submodule `https://github.com/mimblewimble/secp256k1-zkp`
[INFO] [stderr]     Updating git repository `http://github.com/37miners/rustlet`
[INFO] [stderr]     Updating git repository `http://github.com/37miners/nioruntime`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded textnonce v1.0.0
[INFO] [stderr]   Downloaded buf-read-ext v0.4.0
[INFO] [stderr]   Downloaded block-buffer v0.10.1
[INFO] [stderr]   Downloaded socks v0.3.3
[INFO] [stderr]   Downloaded bytefmt v0.1.7
[INFO] [stderr]   Downloaded querystring v1.1.0
[INFO] [stderr]   Downloaded wepoll-sys v2.0.0
[INFO] [stderr]   Downloaded urlencoding v2.1.0
[INFO] [stderr]   Downloaded built v0.4.4
[INFO] [stderr]   Downloaded timer v0.2.0
[INFO] [stderr]   Downloaded croaring-mw v0.4.5
[INFO] [stderr]   Downloaded fsutils v0.1.7
[INFO] [stderr]   Downloaded bit_reverse v0.1.8
[INFO] [stderr]   Downloaded sysinfo v0.9.6
[INFO] [stderr]   Downloaded git2 v0.13.25
[INFO] [stderr]   Downloaded libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]   Downloaded bindgen v0.52.0
[INFO] [stderr]   Downloaded croaring-sys-mw v0.4.5
[INFO] [stderr]   Downloaded tor-stream v0.3.0
[INFO] [stderr]   Downloaded mime_multipart v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 864d288d89ed9302cd82a30c00827cfb212b573eaad3933a7977be0a95baacc4
[INFO] running `Command { std: "docker" "start" "-a" "864d288d89ed9302cd82a30c00827cfb212b573eaad3933a7977be0a95baacc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "864d288d89ed9302cd82a30c00827cfb212b573eaad3933a7977be0a95baacc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864d288d89ed9302cd82a30c00827cfb212b573eaad3933a7977be0a95baacc4", kill_on_drop: false }`
[INFO] [stdout] 864d288d89ed9302cd82a30c00827cfb212b573eaad3933a7977be0a95baacc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c7ad82998d96c8f98a1e7f35285430e3b834f15bf04252263e29156a3202a22
[INFO] running `Command { std: "docker" "start" "-a" "0c7ad82998d96c8f98a1e7f35285430e3b834f15bf04252263e29156a3202a22", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
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[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling nioruntime_err v0.0.3-beta1 (http://github.com/37miners/nioruntime?branch=master#e438452b)
[INFO] [stderr]    Compiling nioruntime_util v0.0.3-beta1 (http://github.com/37miners/nioruntime?branch=master#e438452b)
[INFO] [stderr]    Compiling nioruntime_log v0.0.3-beta1 (http://github.com/37miners/nioruntime?branch=master#e438452b)
[INFO] [stderr]    Compiling nioruntime_evh v0.0.3-beta1 (http://github.com/37miners/nioruntime?branch=master#e438452b)
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling cargo-lock v4.0.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.6
[INFO] [stderr]    Compiling nioruntime_tor v0.0.3-beta1 (http://github.com/37miners/nioruntime?branch=master#e438452b)
[INFO] [stderr]    Compiling built v0.4.4
[INFO] [stderr]    Compiling nioruntime_http v0.0.3-beta1 (http://github.com/37miners/nioruntime?branch=master#e438452b)
[INFO] [stderr]    Compiling num_enum v0.5.6
[INFO] [stderr]    Compiling concord v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling librustlet v0.0.3-beta1 (http://github.com/37miners/rustlet?branch=master#bbb10dc0)
[INFO] [stderr]    Compiling concorderror v1.0.0 (/opt/rustwide/workdir/error)
[INFO] [stderr]    Compiling concordutil v1.0.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]    Compiling croaring-mw v0.4.5
[INFO] [stderr]    Compiling concorddata v1.0.0 (/opt/rustwide/workdir/data)
[INFO] [stderr]    Compiling concordlib v1.0.0 (/opt/rustwide/workdir/concord)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> concord/src/auth.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |             Some(mut info) => {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 58s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cargo-lock v4.0.1, cexpr v0.3.6, grin_secp256k1zkp v0.7.10 (https://github.com/bitcoinmw/rust-secp256k1-zkp#1513add3), nom v4.2.3, rustc-serialize v0.3.24, traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "0c7ad82998d96c8f98a1e7f35285430e3b834f15bf04252263e29156a3202a22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c7ad82998d96c8f98a1e7f35285430e3b834f15bf04252263e29156a3202a22", kill_on_drop: false }`
[INFO] [stdout] 0c7ad82998d96c8f98a1e7f35285430e3b834f15bf04252263e29156a3202a22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4974cf865c9ad8926413e32cc57f518c926691f75f35f814684410ffc419497c
[INFO] running `Command { std: "docker" "start" "-a" "4974cf865c9ad8926413e32cc57f518c926691f75f35f814684410ffc419497c", kill_on_drop: false }`
[INFO] [stderr]    Compiling concord v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> concord/src/auth.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |             Some(mut info) => {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cargo-lock v4.0.1, cexpr v0.3.6, grin_secp256k1zkp v0.7.10 (https://github.com/bitcoinmw/rust-secp256k1-zkp#1513add3), nom v4.2.3, rustc-serialize v0.3.24, traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "4974cf865c9ad8926413e32cc57f518c926691f75f35f814684410ffc419497c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4974cf865c9ad8926413e32cc57f518c926691f75f35f814684410ffc419497c", kill_on_drop: false }`
[INFO] [stdout] 4974cf865c9ad8926413e32cc57f518c926691f75f35f814684410ffc419497c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9e2489059d5b765e2247e8d6cff60c6af746fea75ddb4b027a70ae699cfe4225
[INFO] running `Command { std: "docker" "start" "-a" "9e2489059d5b765e2247e8d6cff60c6af746fea75ddb4b027a70ae699cfe4225", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> concord/src/auth.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |             Some(mut info) => {
[INFO] [stderr]     |                  ----^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `concordlib` (lib) generated 1 warning (run `cargo fix --lib -p concordlib` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cargo-lock v4.0.1, cexpr v0.3.6, grin_secp256k1zkp v0.7.10 (https://github.com/bitcoinmw/rust-secp256k1-zkp#1513add3), nom v4.2.3, rustc-serialize v0.3.24, traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/concord-6a8518f43cbea26f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9e2489059d5b765e2247e8d6cff60c6af746fea75ddb4b027a70ae699cfe4225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e2489059d5b765e2247e8d6cff60c6af746fea75ddb4b027a70ae699cfe4225", kill_on_drop: false }`
[INFO] [stdout] 9e2489059d5b765e2247e8d6cff60c6af746fea75ddb4b027a70ae699cfe4225