[INFO] fetching crate algebra_kit 0.1.15...
[INFO] checking algebra_kit-0.1.15 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate algebra_kit 0.1.15 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate algebra_kit 0.1.15
[INFO] finished tweaking crates.io crate algebra_kit 0.1.15
[INFO] tweaked toml for crates.io crate algebra_kit 0.1.15 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate algebra_kit 0.1.15 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d76f09e0d9fb4a9b3663b15dc058c81e3cb5f18299ceeda55bde9b708e31deea
[INFO] running `Command { std: "docker" "start" "-a" "d76f09e0d9fb4a9b3663b15dc058c81e3cb5f18299ceeda55bde9b708e31deea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d76f09e0d9fb4a9b3663b15dc058c81e3cb5f18299ceeda55bde9b708e31deea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d76f09e0d9fb4a9b3663b15dc058c81e3cb5f18299ceeda55bde9b708e31deea", kill_on_drop: false }`
[INFO] [stdout] d76f09e0d9fb4a9b3663b15dc058c81e3cb5f18299ceeda55bde9b708e31deea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cf8dd79aaab23fff7b7e3fc8bc7ac2ba7a1127fe820a6e24fbd0d71952ea9f9
[INFO] running `Command { std: "docker" "start" "-a" "7cf8dd79aaab23fff7b7e3fc8bc7ac2ba7a1127fe820a6e24fbd0d71952ea9f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking algebra_kit v0.1.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `num::Zero`
[INFO] [stdout]  --> src/std_impls.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num::Zero;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs`
[INFO] [stdout]  --> src/std_impls.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::rngs;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rem`
[INFO] [stdout]  --> src/std_impls.rs:5:69
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Neg, Rem, Sub, SubAssign};
[INFO] [stdout]   |                                                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::Zero`
[INFO] [stdout]  --> src/std_impls.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num::Zero;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs`
[INFO] [stdout]  --> src/std_impls.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::rngs;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rem`
[INFO] [stdout]  --> src/std_impls.rs:5:69
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Neg, Rem, Sub, SubAssign};
[INFO] [stdout]   |                                                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.68s
[INFO] running `Command { std: "docker" "inspect" "7cf8dd79aaab23fff7b7e3fc8bc7ac2ba7a1127fe820a6e24fbd0d71952ea9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cf8dd79aaab23fff7b7e3fc8bc7ac2ba7a1127fe820a6e24fbd0d71952ea9f9", kill_on_drop: false }`
[INFO] [stdout] 7cf8dd79aaab23fff7b7e3fc8bc7ac2ba7a1127fe820a6e24fbd0d71952ea9f9