[INFO] cloning repository https://github.com/jtronge/numerical_methods [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtronge/numerical_methods" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods/branches/: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/jtronge/numerical_methods [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtronge/numerical_methods" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/jtronge/numerical_methods [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtronge/numerical_methods" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 3) [INFO] cloning repository https://github.com/jtronge/numerical_methods [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtronge/numerical_methods" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 4) [INFO] cloning repository https://github.com/jtronge/numerical_methods [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtronge/numerical_methods" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 5) [INFO] cloning repository https://github.com/jtronge/numerical_methods [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtronge/numerical_methods" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 6) [INFO] cloning repository https://github.com/jtronge/numerical_methods [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtronge/numerical_methods" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 7) [INFO] cloning repository https://github.com/jtronge/numerical_methods [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtronge/numerical_methods" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 8) [INFO] cloning repository https://github.com/jtronge/numerical_methods [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtronge/numerical_methods" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 9) [INFO] cloning repository https://github.com/jtronge/numerical_methods [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtronge/numerical_methods" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 10) [INFO] cloning repository https://github.com/jtronge/numerical_methods [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtronge/numerical_methods" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 11) [INFO] cloning repository https://github.com/jtronge/numerical_methods [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtronge/numerical_methods" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-push.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods/hooks/pre-push.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 12) [INFO] cloning repository https://github.com/jtronge/numerical_methods [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtronge/numerical_methods" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods/refs: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 13) [INFO] cloning repository https://github.com/jtronge/numerical_methods [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtronge/numerical_methods" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 534c0c0cf394ee415edaae0df35e19ccf4811b85 [INFO] checking jtronge/numerical_methods against master#75530e9f72a1990ed2305e16fd51d02f47048f12 for pr-135899 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jtronge/numerical_methods on toolchain 75530e9f72a1990ed2305e16fd51d02f47048f12 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jtronge/numerical_methods [INFO] finished tweaking git repo https://github.com/jtronge/numerical_methods [INFO] tweaked toml for git repo https://github.com/jtronge/numerical_methods written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jtronge/numerical_methods already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b781b5dd0196af88bb251a6a6fd5ba9e8473b10d5ecfd6c6c271f1bfb3f3c6f0 [INFO] running `Command { std: "docker" "start" "-a" "b781b5dd0196af88bb251a6a6fd5ba9e8473b10d5ecfd6c6c271f1bfb3f3c6f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b781b5dd0196af88bb251a6a6fd5ba9e8473b10d5ecfd6c6c271f1bfb3f3c6f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b781b5dd0196af88bb251a6a6fd5ba9e8473b10d5ecfd6c6c271f1bfb3f3c6f0", kill_on_drop: false }` [INFO] [stdout] b781b5dd0196af88bb251a6a6fd5ba9e8473b10d5ecfd6c6c271f1bfb3f3c6f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cdb50d6c907da3cd00d1a49098ff4976a2cfa292d069a62355cb1ec68a0dcb1a [INFO] running `Command { std: "docker" "start" "-a" "cdb50d6c907da3cd00d1a49098ff4976a2cfa292d069a62355cb1ec68a0dcb1a", kill_on_drop: false }` [INFO] [stderr] Checking numerical_methods v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/milnes_method.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut y_c = y_correct(h, y[2+i], y_1[2+i], y_1[3+i], y_prime_est); [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/bin/milnes_method.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut y_c = y_correct(h, y[2+i], y_1[2+i], y_1[3+i], y_prime_est); [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: unused variable: `y1step` [INFO] [stdout] --> src/bin/changing_h.rs:103:15 [INFO] [stdout] | [INFO] [stdout] 103 | let ((y1step, err1step), (_, _)) = compute_one_two_taylor_series(x0, y0, h, compute_derivatives); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y1step` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `last_y` [INFO] [stdout] --> src/bin/changing_h.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | let mut last_y = y; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/changing_h.rs:132:9 [INFO] [stdout] | [INFO] [stdout] 132 | let mut last_y = y; [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: unused variable: `y1step` [INFO] [stdout] --> src/bin/changing_h.rs:103:15 [INFO] [stdout] | [INFO] [stdout] 103 | let ((y1step, err1step), (_, _)) = compute_one_two_taylor_series(x0, y0, h, compute_derivatives); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y1step` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `last_y` [INFO] [stdout] --> src/bin/changing_h.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | let mut last_y = y; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/changing_h.rs:132:9 [INFO] [stdout] | [INFO] [stdout] 132 | let mut last_y = y; [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "cdb50d6c907da3cd00d1a49098ff4976a2cfa292d069a62355cb1ec68a0dcb1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cdb50d6c907da3cd00d1a49098ff4976a2cfa292d069a62355cb1ec68a0dcb1a", kill_on_drop: false }` [INFO] [stdout] cdb50d6c907da3cd00d1a49098ff4976a2cfa292d069a62355cb1ec68a0dcb1a