[INFO] cloning repository https://github.com/massimo-nocentini/avgdist-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/massimo-nocentini/avgdist-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmassimo-nocentini%2Favgdist-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmassimo-nocentini%2Favgdist-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6499a8f750b0aeb6bc9cc250dfb5ffc4bfa3254d
[INFO] checking massimo-nocentini/avgdist-rs against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmassimo-nocentini%2Favgdist-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/massimo-nocentini/avgdist-rs
[INFO] finished tweaking git repo https://github.com/massimo-nocentini/avgdist-rs
[INFO] tweaked toml for git repo https://github.com/massimo-nocentini/avgdist-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/massimo-nocentini/avgdist-rs on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/massimo-nocentini/avgdist-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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5153002e767cc7bcdc464a49111bc2743a3b1410385f06d7a70396c5aa77209
[INFO] running `Command { std: "docker" "start" "-a" "b5153002e767cc7bcdc464a49111bc2743a3b1410385f06d7a70396c5aa77209", kill_on_drop: false }`
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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_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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "578a403a0e3fc3734b8d8e2362193b6b639c5ee6393f8de0dbd15327ece52c45", kill_on_drop: false }`
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[INFO] [stderr]     Checking mmap-rs v0.6.1
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[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/bin/harmonic.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{env, thread};
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Rc` is assigned to, but never used
[INFO] [stdout]    --> src/bin/unipairs.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |     let mut Rc = 0usize; // count of pairs
[INFO] [stdout]     |             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_Rc` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `Rc` is never read
[INFO] [stdout]    --> src/bin/unipairs.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     Rc += c;
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D` should have a snake case name
[INFO] [stdout]    --> src/bin/unipairs.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut D = 0usize; // maximum diameter
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `d`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `S` should have a snake case name
[INFO] [stdout]    --> src/bin/unipairs.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let mut S = 0usize; // sum of distances
[INFO] [stdout]     |             ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]    --> src/bin/unipairs.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let mut C = 0usize; // count of pairs
[INFO] [stdout]     |             ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]    --> src/bin/unipairs.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let mut R = 0.0; // ratio of pairs
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Rc` should have a snake case name
[INFO] [stdout]    --> src/bin/unipairs.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |     let mut Rc = 0usize; // count of pairs
[INFO] [stdout]     |             ^^ help: convert the identifier to snake case: `rc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::ThreadRng`
[INFO] [stdout]  --> src/bin/closeness.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::rngs::ThreadRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::ThreadRng`
[INFO] [stdout]  --> src/bin/closeness.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::rngs::ThreadRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/bin/harmonic.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{env, thread};
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Rc` is assigned to, but never used
[INFO] [stdout]    --> src/bin/unipairs.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |     let mut Rc = 0usize; // count of pairs
[INFO] [stdout]     |             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_Rc` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `Rc` is never read
[INFO] [stdout]    --> src/bin/unipairs.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     Rc += c;
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D` should have a snake case name
[INFO] [stdout]    --> src/bin/unipairs.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut D = 0usize; // maximum diameter
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `d`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `S` should have a snake case name
[INFO] [stdout]    --> src/bin/unipairs.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let mut S = 0usize; // sum of distances
[INFO] [stdout]     |             ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]    --> src/bin/unipairs.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let mut C = 0usize; // count of pairs
[INFO] [stdout]     |             ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]    --> src/bin/unipairs.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let mut R = 0.0; // ratio of pairs
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Rc` should have a snake case name
[INFO] [stdout]    --> src/bin/unipairs.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |     let mut Rc = 0usize; // count of pairs
[INFO] [stdout]     |             ^^ help: convert the identifier to snake case: `rc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/bin/closeness.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let mut r = rand::thread_rng();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/bin/closeness.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let mut r = rand::thread_rng();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/closeness.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let mut r = rand::thread_rng();
[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/bin/closeness.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let mut r = rand::thread_rng();
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.11s
[INFO] running `Command { std: "docker" "inspect" "578a403a0e3fc3734b8d8e2362193b6b639c5ee6393f8de0dbd15327ece52c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "578a403a0e3fc3734b8d8e2362193b6b639c5ee6393f8de0dbd15327ece52c45", kill_on_drop: false }`
[INFO] [stdout] 578a403a0e3fc3734b8d8e2362193b6b639c5ee6393f8de0dbd15327ece52c45
