[INFO] fetching crate six 0.1.4...
[INFO] checking six-0.1.4 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate six 0.1.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate six 0.1.4 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate six 0.1.4
[INFO] finished tweaking crates.io crate six 0.1.4
[INFO] tweaked toml for crates.io crate six 0.1.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate six 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 555d1cdc267fe1f5ea8bb9ccdf810cecbd6d668d2a22933b28ca274e872ec2eb
[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" "555d1cdc267fe1f5ea8bb9ccdf810cecbd6d668d2a22933b28ca274e872ec2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "555d1cdc267fe1f5ea8bb9ccdf810cecbd6d668d2a22933b28ca274e872ec2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "555d1cdc267fe1f5ea8bb9ccdf810cecbd6d668d2a22933b28ca274e872ec2eb", kill_on_drop: false }`
[INFO] [stdout] 555d1cdc267fe1f5ea8bb9ccdf810cecbd6d668d2a22933b28ca274e872ec2eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5df42b1205baa83dab98fd46f133cfd3634ea5b3c9fd60233eaf18b0d2e3133d
[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" "5df42b1205baa83dab98fd46f133cfd3634ea5b3c9fd60233eaf18b0d2e3133d", kill_on_drop: false }`
[INFO] [stderr]     Checking six v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: structure field `Name` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub Name: String,
[INFO] [stdout]   |         ^^^^ help: convert the identifier to snake case: `name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Roll_Number` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub Roll_Number: i32,
[INFO] [stdout]   |         ^^^^^^^^^^^ help: convert the identifier to snake case: `roll_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Test1Marks` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub Test1Marks: i32,
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `test1_marks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Test2Marks` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub Test2Marks: i32,
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `test2_marks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Test3Marks` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub Test3Marks: i32,
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `test3_marks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `maximum_Marks` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn maximum_Marks(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: convert the identifier to snake case: `maximum_marks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `A` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | mod A {}
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Name` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub Name: String,
[INFO] [stdout]   |         ^^^^ help: convert the identifier to snake case: `name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Roll_Number` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub Roll_Number: i32,
[INFO] [stdout]   |         ^^^^^^^^^^^ help: convert the identifier to snake case: `roll_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Test1Marks` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub Test1Marks: i32,
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `test1_marks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Test2Marks` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub Test2Marks: i32,
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `test2_marks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Test3Marks` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub Test3Marks: i32,
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `test3_marks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `maximum_Marks` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn maximum_Marks(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: convert the identifier to snake case: `maximum_marks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `A` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | mod A {}
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ret`
[INFO] [stdout]   --> src/lib.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn ret() -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `A` should have a snake case name
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | mod A {
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Name` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub Name: String,
[INFO] [stdout]   |         ^^^^ help: convert the identifier to snake case: `name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Roll_Number` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub Roll_Number: i32,
[INFO] [stdout]   |         ^^^^^^^^^^^ help: convert the identifier to snake case: `roll_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Test1Marks` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub Test1Marks: i32,
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `test1_marks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Test2Marks` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub Test2Marks: i32,
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `test2_marks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Test3Marks` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub Test3Marks: i32,
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `test3_marks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `maximum_Marks` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn maximum_Marks(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: convert the identifier to snake case: `maximum_marks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `A` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | mod A {}
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `B` should have a snake case name
[INFO] [stdout]   --> src/main.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub mod B {
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ret`
[INFO] [stdout]   --> src/lib.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn ret() -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `A` should have a snake case name
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | mod A {
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Name` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub Name: String,
[INFO] [stdout]   |         ^^^^ help: convert the identifier to snake case: `name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Roll_Number` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub Roll_Number: i32,
[INFO] [stdout]   |         ^^^^^^^^^^^ help: convert the identifier to snake case: `roll_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Test1Marks` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub Test1Marks: i32,
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `test1_marks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Test2Marks` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub Test2Marks: i32,
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `test2_marks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Test3Marks` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub Test3Marks: i32,
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `test3_marks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `maximum_Marks` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn maximum_Marks(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: convert the identifier to snake case: `maximum_marks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `A` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | mod A {}
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `B` should have a snake case name
[INFO] [stdout]   --> src/main.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub mod B {
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "5df42b1205baa83dab98fd46f133cfd3634ea5b3c9fd60233eaf18b0d2e3133d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df42b1205baa83dab98fd46f133cfd3634ea5b3c9fd60233eaf18b0d2e3133d", kill_on_drop: false }`
[INFO] [stdout] 5df42b1205baa83dab98fd46f133cfd3634ea5b3c9fd60233eaf18b0d2e3133d