[INFO] fetching crate px2rem 0.1.0... [INFO] checking px2rem-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate px2rem 0.1.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate px2rem 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate px2rem 0.1.0 [INFO] finished tweaking crates.io crate px2rem 0.1.0 [INFO] tweaked toml for crates.io crate px2rem 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate px2rem 0.1.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded aho-corasick v0.7.20 [INFO] [stderr] Downloaded regex-syntax v0.6.28 [INFO] [stderr] Downloaded regex v1.7.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 09c50e37bddd6670a669b7dbd0fa2533163406422aec553285f4eec86ac2d7b7 [INFO] running `Command { std: "docker" "start" "-a" "09c50e37bddd6670a669b7dbd0fa2533163406422aec553285f4eec86ac2d7b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "09c50e37bddd6670a669b7dbd0fa2533163406422aec553285f4eec86ac2d7b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09c50e37bddd6670a669b7dbd0fa2533163406422aec553285f4eec86ac2d7b7", kill_on_drop: false }` [INFO] [stdout] 09c50e37bddd6670a669b7dbd0fa2533163406422aec553285f4eec86ac2d7b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bbe93cae53d69af0125024b952740148877219abc36981f1c42fc6fe75bb7ab8 [INFO] running `Command { std: "docker" "start" "-a" "bbe93cae53d69af0125024b952740148877219abc36981f1c42fc6fe75bb7ab8", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking regex v1.7.1 [INFO] [stderr] Checking px2rem v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/lib.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, prelude::*}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/lib.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/lib.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, prelude::*}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/lib.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | let mut res = String::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/lib.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | let mut res = String::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.45s [INFO] running `Command { std: "docker" "inspect" "bbe93cae53d69af0125024b952740148877219abc36981f1c42fc6fe75bb7ab8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbe93cae53d69af0125024b952740148877219abc36981f1c42fc6fe75bb7ab8", kill_on_drop: false }` [INFO] [stdout] bbe93cae53d69af0125024b952740148877219abc36981f1c42fc6fe75bb7ab8 [INFO] checking px2rem-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate px2rem 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate px2rem 0.1.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate px2rem 0.1.0 [INFO] finished tweaking crates.io crate px2rem 0.1.0 [INFO] tweaked toml for crates.io crate px2rem 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate px2rem 0.1.0 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b5a1e7ef61fa4b9d8404d383c2957f597dcea257a9ba92792f04c4234df51cf7 [INFO] running `Command { std: "docker" "start" "-a" "b5a1e7ef61fa4b9d8404d383c2957f597dcea257a9ba92792f04c4234df51cf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b5a1e7ef61fa4b9d8404d383c2957f597dcea257a9ba92792f04c4234df51cf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5a1e7ef61fa4b9d8404d383c2957f597dcea257a9ba92792f04c4234df51cf7", kill_on_drop: false }` [INFO] [stdout] b5a1e7ef61fa4b9d8404d383c2957f597dcea257a9ba92792f04c4234df51cf7 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb3ef2047bfa1efb5542d523ddcc2f9077f0b4206fde3e7a0806f49d1af3830f [INFO] running `Command { std: "docker" "start" "-a" "cb3ef2047bfa1efb5542d523ddcc2f9077f0b4206fde3e7a0806f49d1af3830f", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking regex v1.7.1 [INFO] [stderr] Checking px2rem v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/lib.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, prelude::*}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/lib.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/lib.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, prelude::*}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/lib.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | let mut res = String::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/lib.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | let mut res = String::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.44s [INFO] running `Command { std: "docker" "inspect" "cb3ef2047bfa1efb5542d523ddcc2f9077f0b4206fde3e7a0806f49d1af3830f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb3ef2047bfa1efb5542d523ddcc2f9077f0b4206fde3e7a0806f49d1af3830f", kill_on_drop: false }` [INFO] [stdout] cb3ef2047bfa1efb5542d523ddcc2f9077f0b4206fde3e7a0806f49d1af3830f