[INFO] fetching crate niura 0.1.0...
[INFO] building niura-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate niura 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate niura 0.1.0
[INFO] finished tweaking crates.io crate niura 0.1.0
[INFO] tweaked toml for crates.io crate niura 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate niura 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4964b1982ea5d59fa450f03407fe08b53088adba63dc1edc189eb9dbb8028793
[INFO] running `Command { std: "docker" "start" "-a" "4964b1982ea5d59fa450f03407fe08b53088adba63dc1edc189eb9dbb8028793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4964b1982ea5d59fa450f03407fe08b53088adba63dc1edc189eb9dbb8028793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4964b1982ea5d59fa450f03407fe08b53088adba63dc1edc189eb9dbb8028793", kill_on_drop: false }`
[INFO] [stdout] 4964b1982ea5d59fa450f03407fe08b53088adba63dc1edc189eb9dbb8028793
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94e6d5b3c9503bf18597923ffd103513fbe744233774f8841bcb88d2cb624870
[INFO] running `Command { std: "docker" "start" "-a" "94e6d5b3c9503bf18597923ffd103513fbe744233774f8841bcb88d2cb624870", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling niura v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `var_ptr` should have an upper camel case name
[INFO] [stdout]   --> src/var/ops.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type var_ptr = *const var;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/var/mod.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{cell::Cell, ptr};
[INFO] [stdout]   |                       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `var_ptr` should have an upper camel case name
[INFO] [stdout]   --> src/var/mod.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | type var_ptr = *const var;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `var` should have an upper camel case name
[INFO] [stdout]   --> src/var/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct var {
[INFO] [stdout]    |            ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `requiresgrad` is never read
[INFO] [stdout]   --> src/var/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct var {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     requiresgrad: bool,
[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 3.94s
[INFO] running `Command { std: "docker" "inspect" "94e6d5b3c9503bf18597923ffd103513fbe744233774f8841bcb88d2cb624870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e6d5b3c9503bf18597923ffd103513fbe744233774f8841bcb88d2cb624870", kill_on_drop: false }`
[INFO] [stdout] 94e6d5b3c9503bf18597923ffd103513fbe744233774f8841bcb88d2cb624870
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b67f3636d9cb55a7f1c1d6422510ca3cc1ef4c8259117f852bc4d4e911cbbd2
[INFO] running `Command { std: "docker" "start" "-a" "2b67f3636d9cb55a7f1c1d6422510ca3cc1ef4c8259117f852bc4d4e911cbbd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling niura v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `var_ptr` should have an upper camel case name
[INFO] [stdout]   --> src/var/ops.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type var_ptr = *const var;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/var/mod.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{cell::Cell, ptr};
[INFO] [stdout]   |                       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `var_ptr` should have an upper camel case name
[INFO] [stdout]   --> src/var/mod.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | type var_ptr = *const var;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `var` should have an upper camel case name
[INFO] [stdout]   --> src/var/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct var {
[INFO] [stdout]    |            ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `requiresgrad` is never read
[INFO] [stdout]   --> src/var/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct var {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     requiresgrad: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `var_ptr` should have an upper camel case name
[INFO] [stdout]   --> src/var/ops.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type var_ptr = *const var;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/var/mod.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{cell::Cell, ptr};
[INFO] [stdout]   |                       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `var_ptr` should have an upper camel case name
[INFO] [stdout]   --> src/var/mod.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | type var_ptr = *const var;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `var` should have an upper camel case name
[INFO] [stdout]   --> src/var/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct var {
[INFO] [stdout]    |            ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `requiresgrad` is never read
[INFO] [stdout]   --> src/var/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct var {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     requiresgrad: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "2b67f3636d9cb55a7f1c1d6422510ca3cc1ef4c8259117f852bc4d4e911cbbd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b67f3636d9cb55a7f1c1d6422510ca3cc1ef4c8259117f852bc4d4e911cbbd2", kill_on_drop: false }`
[INFO] [stdout] 2b67f3636d9cb55a7f1c1d6422510ca3cc1ef4c8259117f852bc4d4e911cbbd2