[INFO] cloning repository https://github.com/bluenote-1577/basic_seed_chainer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bluenote-1577/basic_seed_chainer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluenote-1577%2Fbasic_seed_chainer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluenote-1577%2Fbasic_seed_chainer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e5691d607b14e25e2d137f2e6e8402748a02ca8
[INFO] testing bluenote-1577/basic_seed_chainer against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluenote-1577%2Fbasic_seed_chainer" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bluenote-1577/basic_seed_chainer
[INFO] finished tweaking git repo https://github.com/bluenote-1577/basic_seed_chainer
[INFO] tweaked toml for git repo https://github.com/bluenote-1577/basic_seed_chainer written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bluenote-1577/basic_seed_chainer on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bluenote-1577/basic_seed_chainer 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82334f87366e032f45d1ddd6fb7e242813fd527d90d501e03c9d123b3cef23a0
[INFO] running `Command { std: "docker" "start" "-a" "82334f87366e032f45d1ddd6fb7e242813fd527d90d501e03c9d123b3cef23a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82334f87366e032f45d1ddd6fb7e242813fd527d90d501e03c9d123b3cef23a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82334f87366e032f45d1ddd6fb7e242813fd527d90d501e03c9d123b3cef23a0", kill_on_drop: false }`
[INFO] [stdout] 82334f87366e032f45d1ddd6fb7e242813fd527d90d501e03c9d123b3cef23a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5933cc55bcc990940812fbb5afd2e4f93e165829dd4ddf4f8383ef5b3e44cdca
[INFO] running `Command { std: "docker" "start" "-a" "5933cc55bcc990940812fbb5afd2e4f93e165829dd4ddf4f8383ef5b3e44cdca", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
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[INFO] [stderr]    Compiling version_check v0.9.4
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[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling autocfg v0.1.8
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[INFO] [stderr]    Compiling nom v5.1.2
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[INFO] [stderr]    Compiling rustversion v1.0.8
[INFO] [stderr]    Compiling bitflags v1.3.2
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[INFO] [stderr]    Compiling typenum v1.15.0
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[INFO] [stderr]    Compiling atty v0.2.14
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[INFO] [stderr]    Compiling which v3.1.1
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[INFO] [stderr]    Compiling rand_core v0.6.3
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[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rustc_version v0.1.7
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[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
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[INFO] [stderr]    Compiling cfg-if v0.1.10
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[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling feature-probe v0.1.1
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[INFO] [stderr]    Compiling paste v1.0.7
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[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling num-complex v0.4.2
[INFO] [stderr]    Compiling approx v0.5.1
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[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling simba v0.5.1
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[INFO] [stderr]    Compiling rand_distr v0.4.3
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[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling hashbrown v0.12.2
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
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[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling ndarray v0.15.4
[INFO] [stderr]    Compiling itertools-num v0.1.3
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling triple_accel v0.4.0
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling strum v0.23.0
[INFO] [stderr]    Compiling bytecount v0.6.3
[INFO] [stderr]    Compiling statistical v1.0.0
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling enum-map-derive v0.6.0
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling enum-map v1.1.1
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling bio-types v0.12.1
[INFO] [stderr]    Compiling nalgebra v0.27.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling libwfa v0.1.2
[INFO] [stderr]    Compiling statrs v0.15.0
[INFO] [stderr]    Compiling bio v0.41.0
[INFO] [stderr]    Compiling basic_seed_chainer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SubCommand`
[INFO] [stdout]  --> src/main.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 | use clap::{App, Arg, SubCommand};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::str;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let mut s = simulation_utils::gen_rand_string(n);
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |             let mut s_seeds = seeding_methods::open_sync_seeds(&s, k, v, t).0;
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:404:17
[INFO] [stdout]     |
[INFO] [stdout] 404 |             let mut align_times = align_times.into_inner().unwrap();
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:405:17
[INFO] [stdout]     |
[INFO] [stdout] 405 |             let mut chain_times = chain_times.into_inner().unwrap();
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `_C` should have a snake case name
[INFO] [stdout]   --> src/main.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let _C = 2. / (1. - 2. * alpha);
[INFO] [stdout]    |             ^^ help: convert the identifier to snake case (notice the capitalization): `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 3m 27s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.27.1, nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "5933cc55bcc990940812fbb5afd2e4f93e165829dd4ddf4f8383ef5b3e44cdca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5933cc55bcc990940812fbb5afd2e4f93e165829dd4ddf4f8383ef5b3e44cdca", kill_on_drop: false }`
[INFO] [stdout] 5933cc55bcc990940812fbb5afd2e4f93e165829dd4ddf4f8383ef5b3e44cdca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c189cf422947e47296809cb1ec1ece8ca144dcbf74215ce22a6affa8e18addc6
[INFO] running `Command { std: "docker" "start" "-a" "c189cf422947e47296809cb1ec1ece8ca144dcbf74215ce22a6affa8e18addc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_seed_chainer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SubCommand`
[INFO] [stdout]  --> src/main.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 | use clap::{App, Arg, SubCommand};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::str;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let mut s = simulation_utils::gen_rand_string(n);
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |             let mut s_seeds = seeding_methods::open_sync_seeds(&s, k, v, t).0;
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:404:17
[INFO] [stdout]     |
[INFO] [stdout] 404 |             let mut align_times = align_times.into_inner().unwrap();
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:405:17
[INFO] [stdout]     |
[INFO] [stdout] 405 |             let mut chain_times = chain_times.into_inner().unwrap();
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `_C` should have a snake case name
[INFO] [stdout]   --> src/main.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let _C = 2. / (1. - 2. * alpha);
[INFO] [stdout]    |             ^^ help: convert the identifier to snake case (notice the capitalization): `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 2.19s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.27.1, nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "c189cf422947e47296809cb1ec1ece8ca144dcbf74215ce22a6affa8e18addc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c189cf422947e47296809cb1ec1ece8ca144dcbf74215ce22a6affa8e18addc6", kill_on_drop: false }`
[INFO] [stdout] c189cf422947e47296809cb1ec1ece8ca144dcbf74215ce22a6affa8e18addc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 86298bc4f886e625adfb7f9294305f32300dfa7b58d3ade0e8ae9cd699918f22
[INFO] running `Command { std: "docker" "start" "-a" "86298bc4f886e625adfb7f9294305f32300dfa7b58d3ade0e8ae9cd699918f22", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]  --> src/main.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 | use clap::{App, Arg, SubCommand};
[INFO] [stderr]   |                      ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::str;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:118:17
[INFO] [stderr]     |
[INFO] [stderr] 118 |             let mut s = simulation_utils::gen_rand_string(n);
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:119:17
[INFO] [stderr]     |
[INFO] [stderr] 119 |             let mut s_seeds = seeding_methods::open_sync_seeds(&s, k, v, t).0;
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:404:17
[INFO] [stderr]     |
[INFO] [stderr] 404 |             let mut align_times = align_times.into_inner().unwrap();
[INFO] [stderr]     |                 ----^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:405:17
[INFO] [stderr]     |
[INFO] [stderr] 405 |             let mut chain_times = chain_times.into_inner().unwrap();
[INFO] [stderr]     |                 ----^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `_C` should have a snake case name
[INFO] [stderr]   --> src/main.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |         let _C = 2. / (1. - 2. * alpha);
[INFO] [stderr]    |             ^^ help: convert the identifier to snake case (notice the capitalization): `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `basic_seed_chainer` (bin "basic_seed_chainer" test) generated 7 warnings (run `cargo fix --bin "basic_seed_chainer" --tests` to apply 6 suggestions)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.21s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.27.1, nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/basic_seed_chainer-0ad3dd692b8fd6e0)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test avl_tree::tests::insert_left_rot ... ok
[INFO] [stdout] test avl_tree::tests::empty_tree ... ok
[INFO] [stdout] test avl_tree::tests::left_right_rot ... ok
[INFO] [stdout] test avl_tree::tests::insert_right_rot ... ok
[INFO] [stdout] test avl_tree::tests::insert_node ... ok
[INFO] [stdout] test avl_tree::tests::right_left_rot ... ok
[INFO] [stdout] test avl_tree::tests::random_values ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/basic_seed_chainer-68e2a50760213c45)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests basic_seed_chainer
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/avl_tree.rs - avl_tree::SearchTree<T>::insert (line 84) ... FAILED
[INFO] [stdout] test src/avl_tree.rs - avl_tree::SearchTree<T>::is_empty (line 52) ... FAILED
[INFO] [stdout] test src/avl_tree.rs - avl_tree::SearchTree<T>::contains (line 66) ... FAILED
[INFO] [stdout] test src/avl_tree.rs - avl_tree::SearchTree<T>::new (line 37) ... FAILED
[INFO] [stdout] test src/avl_tree.rs - avl_tree::SearchTree<T>::iter (line 332) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/avl_tree.rs - avl_tree::SearchTree<T>::insert (line 84) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `avltree`
[INFO] [stdout]  --> src/avl_tree.rs:85:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use avltree::SearchTree;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `avltree`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `avltree`, use `cargo add avltree` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/avl_tree.rs - avl_tree::SearchTree<T>::is_empty (line 52) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `avltree`
[INFO] [stdout]  --> src/avl_tree.rs:53:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use avltree::SearchTree;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `avltree`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `avltree`, use `cargo add avltree` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/avl_tree.rs - avl_tree::SearchTree<T>::contains (line 66) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `avltree`
[INFO] [stdout]  --> src/avl_tree.rs:67:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use avltree::SearchTree;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `avltree`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `avltree`, use `cargo add avltree` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/avl_tree.rs - avl_tree::SearchTree<T>::new (line 37) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `avltree`
[INFO] [stdout]  --> src/avl_tree.rs:38:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use avltree::SearchTree;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `avltree`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `avltree`, use `cargo add avltree` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/avl_tree.rs - avl_tree::SearchTree<T>::iter (line 332) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `avltree`
[INFO] [stdout]  --> src/avl_tree.rs:333:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use avltree::SearchTree;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `avltree`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `avltree`, use `cargo add avltree` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/avl_tree.rs - avl_tree::SearchTree<T>::contains (line 66)
[INFO] [stdout]     src/avl_tree.rs - avl_tree::SearchTree<T>::insert (line 84)
[INFO] [stdout]     src/avl_tree.rs - avl_tree::SearchTree<T>::is_empty (line 52)
[INFO] [stdout]     src/avl_tree.rs - avl_tree::SearchTree<T>::iter (line 332)
[INFO] [stdout]     src/avl_tree.rs - avl_tree::SearchTree<T>::new (line 37)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "86298bc4f886e625adfb7f9294305f32300dfa7b58d3ade0e8ae9cd699918f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86298bc4f886e625adfb7f9294305f32300dfa7b58d3ade0e8ae9cd699918f22", kill_on_drop: false }`
[INFO] [stdout] 86298bc4f886e625adfb7f9294305f32300dfa7b58d3ade0e8ae9cd699918f22
