[INFO] cloning repository https://github.com/rloic/td2-aaia
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rloic/td2-aaia" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frloic%2Ftd2-aaia", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frloic%2Ftd2-aaia'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cce2ff0a3621513a699e572a0f14018d3fd904fd
[INFO] checking rloic/td2-aaia against master#d2e8ecd8bd26a22111cdebfb813258450b07fbf0 for pr-121199
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frloic%2Ftd2-aaia" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rloic/td2-aaia on toolchain d2e8ecd8bd26a22111cdebfb813258450b07fbf0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2e8ecd8bd26a22111cdebfb813258450b07fbf0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rloic/td2-aaia
[INFO] finished tweaking git repo https://github.com/rloic/td2-aaia
[INFO] tweaked toml for git repo https://github.com/rloic/td2-aaia written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rloic/td2-aaia 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" "+d2e8ecd8bd26a22111cdebfb813258450b07fbf0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking rloic/td2-aaia against try#aface909a877127f24c62858518cef2d593e2ea1 for pr-121199
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frloic%2Ftd2-aaia" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rloic/td2-aaia on toolchain aface909a877127f24c62858518cef2d593e2ea1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aface909a877127f24c62858518cef2d593e2ea1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rloic/td2-aaia
[INFO] finished tweaking git repo https://github.com/rloic/td2-aaia
[INFO] tweaked toml for git repo https://github.com/rloic/td2-aaia written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rloic/td2-aaia 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" "+aface909a877127f24c62858518cef2d593e2ea1" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aface909a877127f24c62858518cef2d593e2ea1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd0926525ab1bde12c2d32f3432fdde857bcda32cb827822b59761beed6a9b51
[INFO] running `Command { std: "docker" "start" "-a" "dd0926525ab1bde12c2d32f3432fdde857bcda32cb827822b59761beed6a9b51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd0926525ab1bde12c2d32f3432fdde857bcda32cb827822b59761beed6a9b51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd0926525ab1bde12c2d32f3432fdde857bcda32cb827822b59761beed6a9b51", kill_on_drop: false }`
[INFO] [stdout] dd0926525ab1bde12c2d32f3432fdde857bcda32cb827822b59761beed6a9b51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aface909a877127f24c62858518cef2d593e2ea1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccdaaed69302f33b8344dfbabdf803462a10d43c5f4a5ce456e3d3def54f2644
[INFO] running `Command { std: "docker" "start" "-a" "ccdaaed69302f33b8344dfbabdf803462a10d43c5f4a5ce456e3d3def54f2644", kill_on_drop: false }`
[INFO] [stderr]     Checking td2-aaia v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/main.rs:90:46
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     if cost[i][j] + mem_d[j][(e - j)] < mem_d[i][e] {
[INFO] [stdout]    |                                              ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 90 -                     if cost[i][j] + mem_d[j][(e - j)] < mem_d[i][e] {
[INFO] [stdout] 90 +                     if cost[i][j] + mem_d[j][e - j] < mem_d[i][e] {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/main.rs:91:61
[INFO] [stdout]    |
[INFO] [stdout] 91 |                         mem_d[i][e] = cost[i][j] + mem_d[j][(e - j)];
[INFO] [stdout]    |                                                             ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 91 -                         mem_d[i][e] = cost[i][j] + mem_d[j][(e - j)];
[INFO] [stdout] 91 +                         mem_d[i][e] = cost[i][j] + mem_d[j][e - j];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/main.rs:100:34
[INFO] [stdout]     |
[INFO] [stdout] 100 |         if cost[0][j] + mem_d[j][(s - j)] < mem_d[0][s] {
[INFO] [stdout]     |                                  ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 100 -         if cost[0][j] + mem_d[j][(s - j)] < mem_d[0][s] {
[INFO] [stdout] 100 +         if cost[0][j] + mem_d[j][s - j] < mem_d[0][s] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/main.rs:101:49
[INFO] [stdout]     |
[INFO] [stdout] 101 |             mem_d[0][s] = cost[0][j] + mem_d[j][(s - j)];
[INFO] [stdout]     |                                                 ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -             mem_d[0][s] = cost[0][j] + mem_d[j][(s - j)];
[INFO] [stdout] 101 +             mem_d[0][s] = cost[0][j] + mem_d[j][s - j];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/main.rs:138:46
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     if cost[i][j] + mem_d[j][(e - j)] < mem_d[i][e] {
[INFO] [stdout]     |                                              ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 138 -                     if cost[i][j] + mem_d[j][(e - j)] < mem_d[i][e] {
[INFO] [stdout] 138 +                     if cost[i][j] + mem_d[j][e - j] < mem_d[i][e] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/main.rs:139:61
[INFO] [stdout]     |
[INFO] [stdout] 139 |                         mem_d[i][e] = cost[i][j] + mem_d[j][(e - j)];
[INFO] [stdout]     |                                                             ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 139 -                         mem_d[i][e] = cost[i][j] + mem_d[j][(e - j)];
[INFO] [stdout] 139 +                         mem_d[i][e] = cost[i][j] + mem_d[j][e - j];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/main.rs:149:34
[INFO] [stdout]     |
[INFO] [stdout] 149 |         if cost[0][j] + mem_d[j][(s - j)] < mem_d[0][s] {
[INFO] [stdout]     |                                  ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 -         if cost[0][j] + mem_d[j][(s - j)] < mem_d[0][s] {
[INFO] [stdout] 149 +         if cost[0][j] + mem_d[j][s - j] < mem_d[0][s] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/main.rs:150:49
[INFO] [stdout]     |
[INFO] [stdout] 150 |             mem_d[0][s] = cost[0][j] + mem_d[j][(s - j)];
[INFO] [stdout]     |                                                 ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 150 -             mem_d[0][s] = cost[0][j] + mem_d[j][(s - j)];
[INFO] [stdout] 150 +             mem_d[0][s] = cost[0][j] + mem_d[j][s - j];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/main.rs:90:46
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     if cost[i][j] + mem_d[j][(e - j)] < mem_d[i][e] {
[INFO] [stdout]    |                                              ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 90 -                     if cost[i][j] + mem_d[j][(e - j)] < mem_d[i][e] {
[INFO] [stdout] 90 +                     if cost[i][j] + mem_d[j][e - j] < mem_d[i][e] {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/main.rs:91:61
[INFO] [stdout]    |
[INFO] [stdout] 91 |                         mem_d[i][e] = cost[i][j] + mem_d[j][(e - j)];
[INFO] [stdout]    |                                                             ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 91 -                         mem_d[i][e] = cost[i][j] + mem_d[j][(e - j)];
[INFO] [stdout] 91 +                         mem_d[i][e] = cost[i][j] + mem_d[j][e - j];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/main.rs:100:34
[INFO] [stdout]     |
[INFO] [stdout] 100 |         if cost[0][j] + mem_d[j][(s - j)] < mem_d[0][s] {
[INFO] [stdout]     |                                  ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 100 -         if cost[0][j] + mem_d[j][(s - j)] < mem_d[0][s] {
[INFO] [stdout] 100 +         if cost[0][j] + mem_d[j][s - j] < mem_d[0][s] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/main.rs:101:49
[INFO] [stdout]     |
[INFO] [stdout] 101 |             mem_d[0][s] = cost[0][j] + mem_d[j][(s - j)];
[INFO] [stdout]     |                                                 ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -             mem_d[0][s] = cost[0][j] + mem_d[j][(s - j)];
[INFO] [stdout] 101 +             mem_d[0][s] = cost[0][j] + mem_d[j][s - j];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/main.rs:138:46
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     if cost[i][j] + mem_d[j][(e - j)] < mem_d[i][e] {
[INFO] [stdout]     |                                              ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 138 -                     if cost[i][j] + mem_d[j][(e - j)] < mem_d[i][e] {
[INFO] [stdout] 138 +                     if cost[i][j] + mem_d[j][e - j] < mem_d[i][e] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/main.rs:139:61
[INFO] [stdout]     |
[INFO] [stdout] 139 |                         mem_d[i][e] = cost[i][j] + mem_d[j][(e - j)];
[INFO] [stdout]     |                                                             ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 139 -                         mem_d[i][e] = cost[i][j] + mem_d[j][(e - j)];
[INFO] [stdout] 139 +                         mem_d[i][e] = cost[i][j] + mem_d[j][e - j];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/main.rs:149:34
[INFO] [stdout]     |
[INFO] [stdout] 149 |         if cost[0][j] + mem_d[j][(s - j)] < mem_d[0][s] {
[INFO] [stdout]     |                                  ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 -         if cost[0][j] + mem_d[j][(s - j)] < mem_d[0][s] {
[INFO] [stdout] 149 +         if cost[0][j] + mem_d[j][s - j] < mem_d[0][s] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/main.rs:150:49
[INFO] [stdout]     |
[INFO] [stdout] 150 |             mem_d[0][s] = cost[0][j] + mem_d[j][(s - j)];
[INFO] [stdout]     |                                                 ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 150 -             mem_d[0][s] = cost[0][j] + mem_d[j][(s - j)];
[INFO] [stdout] 150 +             mem_d[0][s] = cost[0][j] + mem_d[j][s - j];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_distance` is never used
[INFO] [stdout]   --> src/main.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn compute_distance(i: Node, s: Set, n: usize, cost: &Vec<Vec<Cost>>, nb_call: &mut i32) -> Cost {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `to` is never read
[INFO] [stdout]    --> src/main.rs:117:27
[INFO] [stdout]     |
[INFO] [stdout] 117 | struct Edge { from: Node, to: Node }
[INFO] [stdout]     |        ----               ^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_distance` is never used
[INFO] [stdout]   --> src/main.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn compute_distance(i: Node, s: Set, n: usize, cost: &Vec<Vec<Cost>>, nb_call: &mut i32) -> Cost {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `to` is never read
[INFO] [stdout]    --> src/main.rs:117:27
[INFO] [stdout]     |
[INFO] [stdout] 117 | struct Edge { from: Node, to: Node }
[INFO] [stdout]     |        ----               ^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ccdaaed69302f33b8344dfbabdf803462a10d43c5f4a5ce456e3d3def54f2644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccdaaed69302f33b8344dfbabdf803462a10d43c5f4a5ce456e3d3def54f2644", kill_on_drop: false }`
[INFO] [stdout] ccdaaed69302f33b8344dfbabdf803462a10d43c5f4a5ce456e3d3def54f2644