[INFO] fetching crate art_p256 0.2.1...
[INFO] checking art_p256-0.2.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate art_p256 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate art_p256 0.2.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate art_p256 0.2.1
[INFO] finished tweaking crates.io crate art_p256 0.2.1
[INFO] tweaked toml for crates.io crate art_p256 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 074818cb04c04f660f4a942f77c45b5e6c9a17f65f92a9a0e57a90dcf7c19103
[INFO] running `Command { std: "docker" "start" "-a" "074818cb04c04f660f4a942f77c45b5e6c9a17f65f92a9a0e57a90dcf7c19103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "074818cb04c04f660f4a942f77c45b5e6c9a17f65f92a9a0e57a90dcf7c19103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "074818cb04c04f660f4a942f77c45b5e6c9a17f65f92a9a0e57a90dcf7c19103", kill_on_drop: false }`
[INFO] [stdout] 074818cb04c04f660f4a942f77c45b5e6c9a17f65f92a9a0e57a90dcf7c19103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a1c7fce90fc77645487f9a0ef8f99a7ce222a3afa87470289ffef4a5187abce
[INFO] running `Command { std: "docker" "start" "-a" "1a1c7fce90fc77645487f9a0ef8f99a7ce222a3afa87470289ffef4a5187abce", kill_on_drop: false }`
[INFO] [stderr]     Checking art_p256 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/p256_field.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |         pub fn add_i(mut a: &mut A512, b: u32, i: usize) {
[INFO] [stdout]    |                      ----^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/p256_field.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 |         pub(crate) fn add_i(mut a: &mut A256, b: u32, i: usize) {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/p256_field.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |         pub(crate) fn sub_i(mut a: &mut A256, b: u32, i: usize) {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `P256`
[INFO] [stdout]  --> tests/ecdhe.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate P256;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `art_p256` (test "ecdhe") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/p256_field.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |         pub fn add_i(mut a: &mut A512, b: u32, i: usize) {
[INFO] [stdout]    |                      ----^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/p256_field.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 |         pub(crate) fn add_i(mut a: &mut A256, b: u32, i: usize) {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/p256_field.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |         pub(crate) fn sub_i(mut a: &mut A256, b: u32, i: usize) {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1a1c7fce90fc77645487f9a0ef8f99a7ce222a3afa87470289ffef4a5187abce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1c7fce90fc77645487f9a0ef8f99a7ce222a3afa87470289ffef4a5187abce", kill_on_drop: false }`
[INFO] [stdout] 1a1c7fce90fc77645487f9a0ef8f99a7ce222a3afa87470289ffef4a5187abce
[INFO] checking art_p256-0.2.1 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate art_p256 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate art_p256 0.2.1 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate art_p256 0.2.1
[INFO] finished tweaking crates.io crate art_p256 0.2.1
[INFO] tweaked toml for crates.io crate art_p256 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec447880d45a255a80f9bf8c902e1bd03d0fe7367eea2cdbd2951617e857eb63
[INFO] running `Command { std: "docker" "start" "-a" "ec447880d45a255a80f9bf8c902e1bd03d0fe7367eea2cdbd2951617e857eb63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec447880d45a255a80f9bf8c902e1bd03d0fe7367eea2cdbd2951617e857eb63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec447880d45a255a80f9bf8c902e1bd03d0fe7367eea2cdbd2951617e857eb63", kill_on_drop: false }`
[INFO] [stdout] ec447880d45a255a80f9bf8c902e1bd03d0fe7367eea2cdbd2951617e857eb63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e47ada943c9a0c52de395a6bed76275b050927fca970134298bc25c9f516e8a
[INFO] running `Command { std: "docker" "start" "-a" "3e47ada943c9a0c52de395a6bed76275b050927fca970134298bc25c9f516e8a", kill_on_drop: false }`
[INFO] [stderr]     Checking art_p256 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/p256_field.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |         pub fn add_i(mut a: &mut A512, b: u32, i: usize) {
[INFO] [stdout]    |                      ----^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/p256_field.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 |         pub(crate) fn add_i(mut a: &mut A256, b: u32, i: usize) {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/p256_field.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |         pub(crate) fn sub_i(mut a: &mut A256, b: u32, i: usize) {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `P256`
[INFO] [stdout]  --> tests/ecdhe.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate P256;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `art_p256` (test "ecdhe") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/p256_field.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |         pub fn add_i(mut a: &mut A512, b: u32, i: usize) {
[INFO] [stdout]    |                      ----^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/p256_field.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 |         pub(crate) fn add_i(mut a: &mut A256, b: u32, i: usize) {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/p256_field.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |         pub(crate) fn sub_i(mut a: &mut A256, b: u32, i: usize) {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3e47ada943c9a0c52de395a6bed76275b050927fca970134298bc25c9f516e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e47ada943c9a0c52de395a6bed76275b050927fca970134298bc25c9f516e8a", kill_on_drop: false }`
[INFO] [stdout] 3e47ada943c9a0c52de395a6bed76275b050927fca970134298bc25c9f516e8a
