[INFO] fetching crate linux-perf-file-reader 0.2.0... [INFO] checking linux-perf-file-reader-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate linux-perf-file-reader 0.2.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate linux-perf-file-reader 0.2.0 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 linux-perf-file-reader 0.2.0 [INFO] finished tweaking crates.io crate linux-perf-file-reader 0.2.0 [INFO] tweaked toml for crates.io crate linux-perf-file-reader 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate linux-perf-file-reader 0.2.0 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] Downloading crates ... [INFO] [stderr] Downloaded winapi-util v0.1.4 [INFO] [stderr] Downloaded version_check v0.9.1 [INFO] [stderr] Downloaded hermit-abi v0.1.11 [INFO] [stderr] Downloaded error-chain v0.12.2 [INFO] [stderr] Downloaded backtrace v0.3.46 [INFO] [stderr] Downloaded serde v1.0.106 [INFO] [stderr] Downloaded libc v0.2.69 [INFO] [stderr] Downloaded serde_derive v1.0.106 [INFO] [stderr] Downloaded backtrace-sys v0.1.35 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ef8e6b566f66036f67b2c039be69d1948a8ceb31edb4f15041b95117fe6fd488 [INFO] running `Command { std: "docker" "start" "-a" "ef8e6b566f66036f67b2c039be69d1948a8ceb31edb4f15041b95117fe6fd488", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef8e6b566f66036f67b2c039be69d1948a8ceb31edb4f15041b95117fe6fd488", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef8e6b566f66036f67b2c039be69d1948a8ceb31edb4f15041b95117fe6fd488", kill_on_drop: false }` [INFO] [stdout] ef8e6b566f66036f67b2c039be69d1948a8ceb31edb4f15041b95117fe6fd488 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 31664192a60394428d6d3e0d4f5b86e50369393ce87b454584f58f59690d273f [INFO] running `Command { std: "docker" "start" "-a" "31664192a60394428d6d3e0d4f5b86e50369393ce87b454584f58f59690d273f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling backtrace-sys v0.1.35 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking backtrace v0.3.46 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Checking linux-perf-file-reader v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `read_raw` is imported redundantly [INFO] [stdout] --> src/event_reader.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::tools::{collect_n, read_raw, read_string}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 2 | use crate::*; [INFO] [stdout] | -------- the item `read_raw` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Seek` is imported redundantly [INFO] [stdout] --> src/event_reader.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::*; [INFO] [stdout] | -------- the item `Seek` is already imported here [INFO] [stdout] 3 | use std::collections::HashMap; [INFO] [stdout] 4 | use std::io::{Read, Seek}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `read_raw` is imported redundantly [INFO] [stdout] --> src/info_reader.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::*; [INFO] [stdout] | -------- the item `read_raw` is already imported here [INFO] [stdout] 2 | use header::*; [INFO] [stdout] 3 | use tools::{collect_n, read_raw, read_string}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `read_raw` is imported redundantly [INFO] [stdout] --> src/event_reader.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::tools::{collect_n, read_raw, read_string}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 2 | use crate::*; [INFO] [stdout] | -------- the item `read_raw` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Seek` is imported redundantly [INFO] [stdout] --> src/event_reader.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::*; [INFO] [stdout] | -------- the item `Seek` is already imported here [INFO] [stdout] 3 | use std::collections::HashMap; [INFO] [stdout] 4 | use std::io::{Read, Seek}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `read_raw` is imported redundantly [INFO] [stdout] --> src/info_reader.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::*; [INFO] [stdout] | -------- the item `read_raw` is already imported here [INFO] [stdout] 2 | use header::*; [INFO] [stdout] 3 | use tools::{collect_n, read_raw, read_string}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.85s [INFO] running `Command { std: "docker" "inspect" "31664192a60394428d6d3e0d4f5b86e50369393ce87b454584f58f59690d273f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31664192a60394428d6d3e0d4f5b86e50369393ce87b454584f58f59690d273f", kill_on_drop: false }` [INFO] [stdout] 31664192a60394428d6d3e0d4f5b86e50369393ce87b454584f58f59690d273f [INFO] checking linux-perf-file-reader-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate linux-perf-file-reader 0.2.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate linux-perf-file-reader 0.2.0 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 linux-perf-file-reader 0.2.0 [INFO] finished tweaking crates.io crate linux-perf-file-reader 0.2.0 [INFO] tweaked toml for crates.io crate linux-perf-file-reader 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate linux-perf-file-reader 0.2.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7d33c75b2edf115d1fd3d844d20e7ae1a27ddd181568148b152930165536fe19 [INFO] running `Command { std: "docker" "start" "-a" "7d33c75b2edf115d1fd3d844d20e7ae1a27ddd181568148b152930165536fe19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d33c75b2edf115d1fd3d844d20e7ae1a27ddd181568148b152930165536fe19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d33c75b2edf115d1fd3d844d20e7ae1a27ddd181568148b152930165536fe19", kill_on_drop: false }` [INFO] [stdout] 7d33c75b2edf115d1fd3d844d20e7ae1a27ddd181568148b152930165536fe19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5b532cf32276f900112b87c3a354c53bbc763ec556e4b06521425f445e08b5cc [INFO] running `Command { std: "docker" "start" "-a" "5b532cf32276f900112b87c3a354c53bbc763ec556e4b06521425f445e08b5cc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Compiling backtrace-sys v0.1.35 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking backtrace v0.3.46 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Checking linux-perf-file-reader v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `read_raw` is imported redundantly [INFO] [stdout] --> src/event_reader.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::tools::{collect_n, read_raw, read_string}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 2 | use crate::*; [INFO] [stdout] | -------- the item `read_raw` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Seek` is imported redundantly [INFO] [stdout] --> src/event_reader.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::*; [INFO] [stdout] | -------- the item `Seek` is already imported here [INFO] [stdout] 3 | use std::collections::HashMap; [INFO] [stdout] 4 | use std::io::{Read, Seek}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `read_raw` is imported redundantly [INFO] [stdout] --> src/info_reader.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::*; [INFO] [stdout] | -------- the item `read_raw` is already imported here [INFO] [stdout] 2 | use header::*; [INFO] [stdout] 3 | use tools::{collect_n, read_raw, read_string}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `read_raw` is imported redundantly [INFO] [stdout] --> src/event_reader.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::tools::{collect_n, read_raw, read_string}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 2 | use crate::*; [INFO] [stdout] | -------- the item `read_raw` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Seek` is imported redundantly [INFO] [stdout] --> src/event_reader.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::*; [INFO] [stdout] | -------- the item `Seek` is already imported here [INFO] [stdout] 3 | use std::collections::HashMap; [INFO] [stdout] 4 | use std::io::{Read, Seek}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `read_raw` is imported redundantly [INFO] [stdout] --> src/info_reader.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::*; [INFO] [stdout] | -------- the item `read_raw` is already imported here [INFO] [stdout] 2 | use header::*; [INFO] [stdout] 3 | use tools::{collect_n, read_raw, read_string}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.13s [INFO] running `Command { std: "docker" "inspect" "5b532cf32276f900112b87c3a354c53bbc763ec556e4b06521425f445e08b5cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b532cf32276f900112b87c3a354c53bbc763ec556e4b06521425f445e08b5cc", kill_on_drop: false }` [INFO] [stdout] 5b532cf32276f900112b87c3a354c53bbc763ec556e4b06521425f445e08b5cc