[INFO] cloning repository https://github.com/bboissin/thesis_bboissin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bboissin/thesis_bboissin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbboissin%2Fthesis_bboissin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbboissin%2Fthesis_bboissin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4ffd106ea0301d8f493e3bef1ec57ed0cfdd40a
[INFO] checking bboissin/thesis_bboissin against try#0bdee9e879c87b7211d316e9152109cfd46c576b for pr-150097
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbboissin%2Fthesis_bboissin" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bboissin/thesis_bboissin
[INFO] finished tweaking git repo https://github.com/bboissin/thesis_bboissin
[INFO] tweaked toml for git repo https://github.com/bboissin/thesis_bboissin written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bboissin/thesis_bboissin on toolchain 0bdee9e879c87b7211d316e9152109cfd46c576b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bboissin/thesis_bboissin 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" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1073cd08aa3a9a2685deb5f288c3089ae5fd91a51495154d571d5152b319699b
[INFO] running `Command { std: "docker" "start" "-a" "1073cd08aa3a9a2685deb5f288c3089ae5fd91a51495154d571d5152b319699b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1073cd08aa3a9a2685deb5f288c3089ae5fd91a51495154d571d5152b319699b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1073cd08aa3a9a2685deb5f288c3089ae5fd91a51495154d571d5152b319699b", kill_on_drop: false }`
[INFO] [stdout] 1073cd08aa3a9a2685deb5f288c3089ae5fd91a51495154d571d5152b319699b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 409e0fb8adb54ffca01c04e07bb7768637a653440decbdd28f0a9dcf12a154d0
[INFO] running `Command { std: "docker" "start" "-a" "409e0fb8adb54ffca01c04e07bb7768637a653440decbdd28f0a9dcf12a154d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking thesis_bboissin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Register` is never constructed
[INFO] [stdout]  --> src/algorithm13.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Register(u32);
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RegisterCopy` is never constructed
[INFO] [stdout]  --> src/algorithm13.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct RegisterCopy {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sequentialize_register` is never used
[INFO] [stdout]   --> src/algorithm13.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn sequentialize_register(parallel_copies: &[RegisterCopy], spare: Register) -> Vec<RegisterCopy> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/algorithm2.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Node {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CfgGraph` is never constructed
[INFO] [stdout]  --> src/algorithm2.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct CfgGraph {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VisitOrder` is never constructed
[INFO] [stdout]   --> src/algorithm2.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct VisitOrder {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dfs_search` is never used
[INFO] [stdout]   --> src/algorithm2.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn dfs_search(graph: &CfgGraph) -> VisitOrder {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stdout] warning: field `nodes` is never read
[INFO] [stdout]   --> src/algorithm2.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct CfgGraph {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 10 |     pub root: Node,
[INFO] [stdout] 11 |     pub nodes: Vec<Node>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "409e0fb8adb54ffca01c04e07bb7768637a653440decbdd28f0a9dcf12a154d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409e0fb8adb54ffca01c04e07bb7768637a653440decbdd28f0a9dcf12a154d0", kill_on_drop: false }`
[INFO] [stdout] 409e0fb8adb54ffca01c04e07bb7768637a653440decbdd28f0a9dcf12a154d0