[INFO] cloning repository https://github.com/ForPrakWS19-20/forprak_rust_ws_19-20
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ForPrakWS19-20/forprak_rust_ws_19-20" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FForPrakWS19-20%2Fforprak_rust_ws_19-20", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FForPrakWS19-20%2Fforprak_rust_ws_19-20'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 397911034a096cc50f21defd5f9ac300475f73fc
[INFO] checking ForPrakWS19-20/forprak_rust_ws_19-20 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FForPrakWS19-20%2Fforprak_rust_ws_19-20" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ForPrakWS19-20/forprak_rust_ws_19-20 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ForPrakWS19-20/forprak_rust_ws_19-20
[INFO] finished tweaking git repo https://github.com/ForPrakWS19-20/forprak_rust_ws_19-20
[INFO] tweaked toml for git repo https://github.com/ForPrakWS19-20/forprak_rust_ws_19-20 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ForPrakWS19-20/forprak_rust_ws_19-20 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47883d942483f76e9a2c706e87cec8543990f836db40e02e2041259740db8976
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "47883d942483f76e9a2c706e87cec8543990f836db40e02e2041259740db8976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47883d942483f76e9a2c706e87cec8543990f836db40e02e2041259740db8976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47883d942483f76e9a2c706e87cec8543990f836db40e02e2041259740db8976", kill_on_drop: false }`
[INFO] [stdout] 47883d942483f76e9a2c706e87cec8543990f836db40e02e2041259740db8976
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea46297031bc8005acb5bba0908acac9009a9115181820e78fddd461eae65cd4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ea46297031bc8005acb5bba0908acac9009a9115181820e78fddd461eae65cd4", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking Foprak v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stdout] warning: crate `Foprak` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `foprak`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `M` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     M: usize
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:401:16
[INFO] [stdout]     |
[INFO] [stdout] 401 |     pub fn new(M: usize, path:&str, block_size:usize, dimension:usize) -> Self{
[INFO] [stdout]     |                ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `EN` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:733:21
[INFO] [stdout]     |
[INFO] [stdout] 733 |                 let EN = InnerElement::new(self.get_node_mbr(id),id);
[INFO] [stdout]     |                     ^^ help: convert the identifier to snake case: `en`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ENN` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:734:21
[INFO] [stdout]     |
[INFO] [stdout] 734 |                 let ENN = InnerElement::new(self.get_node_mbr(split),split);
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `enn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stdout] warning: crate `Foprak` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `foprak`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `M` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     M: usize
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:401:16
[INFO] [stdout]     |
[INFO] [stdout] 401 |     pub fn new(M: usize, path:&str, block_size:usize, dimension:usize) -> Self{
[INFO] [stdout]     |                ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `EN` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:733:21
[INFO] [stdout]     |
[INFO] [stdout] 733 |                 let EN = InnerElement::new(self.get_node_mbr(id),id);
[INFO] [stdout]     |                     ^^ help: convert the identifier to snake case: `en`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ENN` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:734:21
[INFO] [stdout]     |
[INFO] [stdout] 734 |                 let ENN = InnerElement::new(self.get_node_mbr(split),split);
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `enn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Foprak` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `foprak`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         bfa_2.update(nr, block);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Foprak` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `foprak`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         bfa_2.update(nr, block);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.71s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking Foprak v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: crate `Foprak` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `foprak`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `M` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     M: usize
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:401:16
[INFO] [stdout]     |
[INFO] [stdout] 401 |     pub fn new(M: usize, path:&str, block_size:usize, dimension:usize) -> Self{
[INFO] [stdout]     |                ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `EN` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:733:21
[INFO] [stdout]     |
[INFO] [stdout] 733 |                 let EN = InnerElement::new(self.get_node_mbr(id),id);
[INFO] [stdout]     |                     ^^ help: convert the identifier to snake case: `en`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ENN` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:734:21
[INFO] [stdout]     |
[INFO] [stdout] 734 |                 let ENN = InnerElement::new(self.get_node_mbr(split),split);
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `enn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Foprak` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `foprak`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `M` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     M: usize
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:401:16
[INFO] [stdout]     |
[INFO] [stdout] 401 |     pub fn new(M: usize, path:&str, block_size:usize, dimension:usize) -> Self{
[INFO] [stdout]     |                ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `EN` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:733:21
[INFO] [stdout]     |
[INFO] [stdout] 733 |                 let EN = InnerElement::new(self.get_node_mbr(id),id);
[INFO] [stdout]     |                     ^^ help: convert the identifier to snake case: `en`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ENN` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:734:21
[INFO] [stdout]     |
[INFO] [stdout] 734 |                 let ENN = InnerElement::new(self.get_node_mbr(split),split);
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `enn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Foprak` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `foprak`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Foprak` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `foprak`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         bfa_2.update(nr, block);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         bfa_2.update(nr, block);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "ea46297031bc8005acb5bba0908acac9009a9115181820e78fddd461eae65cd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea46297031bc8005acb5bba0908acac9009a9115181820e78fddd461eae65cd4", kill_on_drop: false }`
[INFO] [stdout] ea46297031bc8005acb5bba0908acac9009a9115181820e78fddd461eae65cd4