[INFO] fetching crate six 0.1.4...
[INFO] checking six-0.1.4 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate six 0.1.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate six 0.1.4 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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-8/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 304383bdff2b2c8293752a8d29d36f2f870ceba829e33e4c3eab3c5afc56e0b4
[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" "304383bdff2b2c8293752a8d29d36f2f870ceba829e33e4c3eab3c5afc56e0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "304383bdff2b2c8293752a8d29d36f2f870ceba829e33e4c3eab3c5afc56e0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "304383bdff2b2c8293752a8d29d36f2f870ceba829e33e4c3eab3c5afc56e0b4", kill_on_drop: false }`
[INFO] [stdout] 304383bdff2b2c8293752a8d29d36f2f870ceba829e33e4c3eab3c5afc56e0b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df2fdf0b0e4ecbdcdd0b74bba3afb09fe75b7c2aa885bdfa3268674ca65778ac
[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" "df2fdf0b0e4ecbdcdd0b74bba3afb09fe75b7c2aa885bdfa3268674ca65778ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: 7 warnings emitted
[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: 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 0.72s
[INFO] running `Command { std: "docker" "inspect" "df2fdf0b0e4ecbdcdd0b74bba3afb09fe75b7c2aa885bdfa3268674ca65778ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df2fdf0b0e4ecbdcdd0b74bba3afb09fe75b7c2aa885bdfa3268674ca65778ac", kill_on_drop: false }`
[INFO] [stdout] df2fdf0b0e4ecbdcdd0b74bba3afb09fe75b7c2aa885bdfa3268674ca65778ac