[INFO] cloning repository https://github.com/xyangst/xkcd-fetcher [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xyangst/xkcd-fetcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxyangst%2Fxkcd-fetcher", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxyangst%2Fxkcd-fetcher'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7994c70c074340eb3c1bcd5977668d586d92fb8d [INFO] checking xyangst/xkcd-fetcher against try#2277c63fa464d237b17b68d3b87f9fbb89e58a3e for pr-133570-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxyangst%2Fxkcd-fetcher" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xyangst/xkcd-fetcher on toolchain 2277c63fa464d237b17b68d3b87f9fbb89e58a3e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xyangst/xkcd-fetcher [INFO] finished tweaking git repo https://github.com/xyangst/xkcd-fetcher [INFO] tweaked toml for git repo https://github.com/xyangst/xkcd-fetcher written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/xyangst/xkcd-fetcher 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" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7fa571248359b25bd09dc20b0a479049da8a74a278bebe9f2ea6a13451007655 [INFO] running `Command { std: "docker" "start" "-a" "7fa571248359b25bd09dc20b0a479049da8a74a278bebe9f2ea6a13451007655", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7fa571248359b25bd09dc20b0a479049da8a74a278bebe9f2ea6a13451007655", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fa571248359b25bd09dc20b0a479049da8a74a278bebe9f2ea6a13451007655", kill_on_drop: false }` [INFO] [stdout] 7fa571248359b25bd09dc20b0a479049da8a74a278bebe9f2ea6a13451007655 [INFO] checking xyangst/xkcd-fetcher against try#2277c63fa464d237b17b68d3b87f9fbb89e58a3e for pr-133570-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxyangst%2Fxkcd-fetcher" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xyangst/xkcd-fetcher on toolchain 2277c63fa464d237b17b68d3b87f9fbb89e58a3e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xyangst/xkcd-fetcher [INFO] finished tweaking git repo https://github.com/xyangst/xkcd-fetcher [INFO] tweaked toml for git repo https://github.com/xyangst/xkcd-fetcher written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/xyangst/xkcd-fetcher 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" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6c2c2477dd8140e4bb930046009b90effe724f4f8de01859da89e3c19703e6f7 [INFO] running `Command { std: "docker" "start" "-a" "6c2c2477dd8140e4bb930046009b90effe724f4f8de01859da89e3c19703e6f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c2c2477dd8140e4bb930046009b90effe724f4f8de01859da89e3c19703e6f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c2c2477dd8140e4bb930046009b90effe724f4f8de01859da89e3c19703e6f7", kill_on_drop: false }` [INFO] [stdout] 6c2c2477dd8140e4bb930046009b90effe724f4f8de01859da89e3c19703e6f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ecc5297c7269e29c4c18543bdef7b042dee05bdfd7c6850f19a8ddeef9a97d53 [INFO] running `Command { std: "docker" "start" "-a" "ecc5297c7269e29c4c18543bdef7b042dee05bdfd7c6850f19a8ddeef9a97d53", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Checking rustls-pki-types v1.8.0 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking untrusted v0.9.0 [INFO] [stderr] Checking adler2 v2.0.0 [INFO] [stderr] Compiling rustls v0.23.13 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Compiling anyhow v1.0.88 [INFO] [stderr] Checking crc32fast v1.4.2 [INFO] [stderr] Checking tinyvec v1.8.0 [INFO] [stderr] Checking miniz_oxide v0.8.0 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking zeroize v1.8.1 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Compiling cc v1.1.18 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking subtle v2.6.1 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking base64 v0.22.1 [INFO] [stderr] Checking webpki-roots v0.26.5 [INFO] [stderr] Checking flate2 v1.0.33 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking unicode-normalization v0.1.23 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Compiling ring v0.17.8 [INFO] [stderr] Checking url v2.5.2 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking rustls-webpki v0.102.8 [INFO] [stderr] Checking ureq v2.10.1 [INFO] [stderr] Checking xkcd v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `serde_json::to_string_pretty` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json::to_string_pretty; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufReader` [INFO] [stdout] --> src/main.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{BufReader, Write}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_json::to_string_pretty` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json::to_string_pretty; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufReader` [INFO] [stdout] --> src/main.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{BufReader, Write}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:6:26 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{BufReader, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:6:26 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{BufReader, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:96:9 [INFO] [stdout] | [INFO] [stdout] 96 | let mut file = OpenOptions::new() [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 26 | write_comics_to_disk(&f); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = write_comics_to_disk(&f); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | write_comics_to_disk(&c); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = write_comics_to_disk(&c); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:96:9 [INFO] [stdout] | [INFO] [stdout] 96 | let mut file = OpenOptions::new() [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 26 | write_comics_to_disk(&f); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = write_comics_to_disk(&f); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | write_comics_to_disk(&c); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = write_comics_to_disk(&c); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.27s [INFO] running `Command { std: "docker" "inspect" "ecc5297c7269e29c4c18543bdef7b042dee05bdfd7c6850f19a8ddeef9a97d53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecc5297c7269e29c4c18543bdef7b042dee05bdfd7c6850f19a8ddeef9a97d53", kill_on_drop: false }` [INFO] [stdout] ecc5297c7269e29c4c18543bdef7b042dee05bdfd7c6850f19a8ddeef9a97d53