[INFO] cloning repository https://github.com/wampiedriessen/ssss-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wampiedriessen/ssss-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwampiedriessen%2Fssss-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwampiedriessen%2Fssss-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0bc169c9c8421bdb427f2eaa441e29d48c48157
[INFO] checking wampiedriessen/ssss-rs against try#ef5216c337126ffe24d074826f4023948c4a9b8e for pr-137033
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwampiedriessen%2Fssss-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wampiedriessen/ssss-rs on toolchain ef5216c337126ffe24d074826f4023948c4a9b8e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wampiedriessen/ssss-rs
[INFO] finished tweaking git repo https://github.com/wampiedriessen/ssss-rs
[INFO] tweaked toml for git repo https://github.com/wampiedriessen/ssss-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wampiedriessen/ssss-rs 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" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b0e61515b5f4ac49e6e21d3d0e2a91a58f419c259a6770029889ca156594f89
[INFO] running `Command { std: "docker" "start" "-a" "9b0e61515b5f4ac49e6e21d3d0e2a91a58f419c259a6770029889ca156594f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b0e61515b5f4ac49e6e21d3d0e2a91a58f419c259a6770029889ca156594f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0e61515b5f4ac49e6e21d3d0e2a91a58f419c259a6770029889ca156594f89", kill_on_drop: false }`
[INFO] [stdout] 9b0e61515b5f4ac49e6e21d3d0e2a91a58f419c259a6770029889ca156594f89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef9f82bc7529cebef1d19db78d61cfeb4f5acbcafadb7b40a7b4118f8cf76749
[INFO] running `Command { std: "docker" "start" "-a" "ef9f82bc7529cebef1d19db78d61cfeb4f5acbcafadb7b40a7b4118f8cf76749", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling test-case-core v3.2.1
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking rs-ssss v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `GaloisFieldShamir` is never constructed
[INFO] [stdout]  --> src/math/galois_field.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct GaloisFieldShamir {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GaloisFieldFraction` is never constructed
[INFO] [stdout]  --> src/math/galois_field.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct GaloisFieldFraction {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RIJNDAEL_MOD` is never used
[INFO] [stdout]   --> src/math/galois_field.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const RIJNDAEL_MOD: u16 = 0b1_0001_1011;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHORT_RIJNDAEL_MOD` is never used
[INFO] [stdout]   --> src/math/galois_field.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const SHORT_RIJNDAEL_MOD: u8 = (RIJNDAEL_MOD % 256) as u8;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gf_add` is never used
[INFO] [stdout]   --> src/math/galois_field.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn gf_add(a: u8, b: u8) -> u8 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gf_mul` is never used
[INFO] [stdout]   --> src/math/galois_field.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn gf_mul(mut a: u8, mut b: u8) -> u8 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling test-case-macros v3.2.1
[INFO] [stderr]     Checking test-case v3.3.1
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/lib.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         todo!();
[INFO] [stdout]     |         ------- any code following this expression is unreachable
[INFO] [stdout] 175 |         let t = 2;
[INFO] [stdout]     |         ^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GaloisFieldShamir` is never constructed
[INFO] [stdout]  --> src/math/galois_field.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct GaloisFieldShamir {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GaloisFieldFraction` is never constructed
[INFO] [stdout]  --> src/math/galois_field.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct GaloisFieldFraction {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.61s
[INFO] running `Command { std: "docker" "inspect" "ef9f82bc7529cebef1d19db78d61cfeb4f5acbcafadb7b40a7b4118f8cf76749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9f82bc7529cebef1d19db78d61cfeb4f5acbcafadb7b40a7b4118f8cf76749", kill_on_drop: false }`
[INFO] [stdout] ef9f82bc7529cebef1d19db78d61cfeb4f5acbcafadb7b40a7b4118f8cf76749