[INFO] cloning repository https://github.com/ok-john/zx [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ok-john/zx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fok-john%2Fzx", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fok-john%2Fzx'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e0ebcf5e45978acd5cb666acb24ca2b11e3dc7a2 [INFO] checking ok-john/zx against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fok-john%2Fzx" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ok-john/zx 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 git repo https://github.com/ok-john/zx [INFO] finished tweaking git repo https://github.com/ok-john/zx [INFO] tweaked toml for git repo https://github.com/ok-john/zx written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ok-john/zx 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 assert_cmd v1.0.8 [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] f87f53bf66cdfc84023fb5c4d0606d6b9916bc6874c0af9bf577358d824bc0ce [INFO] running `Command { std: "docker" "start" "-a" "f87f53bf66cdfc84023fb5c4d0606d6b9916bc6874c0af9bf577358d824bc0ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f87f53bf66cdfc84023fb5c4d0606d6b9916bc6874c0af9bf577358d824bc0ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f87f53bf66cdfc84023fb5c4d0606d6b9916bc6874c0af9bf577358d824bc0ce", kill_on_drop: false }` [INFO] [stdout] f87f53bf66cdfc84023fb5c4d0606d6b9916bc6874c0af9bf577358d824bc0ce [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] c5a923aff7e351a1c07c588939c5b687096e729920217989f92e76370319a018 [INFO] running `Command { std: "docker" "start" "-a" "c5a923aff7e351a1c07c588939c5b687096e729920217989f92e76370319a018", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking predicates-core v1.0.3 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking termtree v0.2.4 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking predicates-tree v1.0.5 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking flate2 v1.0.24 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking predicates v1.0.8 [INFO] [stderr] Checking predicates v2.1.1 [INFO] [stderr] Checking assert_cmd v1.0.8 [INFO] [stderr] Checking zx v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Decompress` [INFO] [stdout] --> src/main.rs:4:18 [INFO] [stdout] | [INFO] [stdout] 4 | Compression, Decompress, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read`, `Write` [INFO] [stdout] --> src/main.rs:6:26 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{fs, io::{self, Read, Write}}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Decompress` [INFO] [stdout] --> src/main.rs:4:18 [INFO] [stdout] | [INFO] [stdout] 4 | Compression, Decompress, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read`, `Write` [INFO] [stdout] --> src/main.rs:6:26 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{fs, io::{self, Read, Write}}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fs::File; [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 8.14s [INFO] running `Command { std: "docker" "inspect" "c5a923aff7e351a1c07c588939c5b687096e729920217989f92e76370319a018", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5a923aff7e351a1c07c588939c5b687096e729920217989f92e76370319a018", kill_on_drop: false }` [INFO] [stdout] c5a923aff7e351a1c07c588939c5b687096e729920217989f92e76370319a018 [INFO] checking ok-john/zx against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fok-john%2Fzx" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ok-john/zx 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 git repo https://github.com/ok-john/zx [INFO] finished tweaking git repo https://github.com/ok-john/zx [INFO] tweaked toml for git repo https://github.com/ok-john/zx written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ok-john/zx 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] d72895ea599a869607d12180c5c9ce9f2d1a8fb2060dd44f9f753b0a65925f39 [INFO] running `Command { std: "docker" "start" "-a" "d72895ea599a869607d12180c5c9ce9f2d1a8fb2060dd44f9f753b0a65925f39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d72895ea599a869607d12180c5c9ce9f2d1a8fb2060dd44f9f753b0a65925f39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d72895ea599a869607d12180c5c9ce9f2d1a8fb2060dd44f9f753b0a65925f39", kill_on_drop: false }` [INFO] [stdout] d72895ea599a869607d12180c5c9ce9f2d1a8fb2060dd44f9f753b0a65925f39 [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] 8de8c2eee6ca8ca0073091e7a2b7b018738268dae0bd40be15ac7b05f0608256 [INFO] running `Command { std: "docker" "start" "-a" "8de8c2eee6ca8ca0073091e7a2b7b018738268dae0bd40be15ac7b05f0608256", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking predicates-core v1.0.3 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking termtree v0.2.4 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking predicates-tree v1.0.5 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking flate2 v1.0.24 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking predicates v2.1.1 [INFO] [stderr] Checking predicates v1.0.8 [INFO] [stderr] Checking assert_cmd v1.0.8 [INFO] [stderr] Checking zx v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Decompress` [INFO] [stdout] --> src/main.rs:4:18 [INFO] [stdout] | [INFO] [stdout] 4 | Compression, Decompress, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read`, `Write` [INFO] [stdout] --> src/main.rs:6:26 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{fs, io::{self, Read, Write}}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Decompress` [INFO] [stdout] --> src/main.rs:4:18 [INFO] [stdout] | [INFO] [stdout] 4 | Compression, Decompress, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read`, `Write` [INFO] [stdout] --> src/main.rs:6:26 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{fs, io::{self, Read, Write}}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.89s [INFO] running `Command { std: "docker" "inspect" "8de8c2eee6ca8ca0073091e7a2b7b018738268dae0bd40be15ac7b05f0608256", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8de8c2eee6ca8ca0073091e7a2b7b018738268dae0bd40be15ac7b05f0608256", kill_on_drop: false }` [INFO] [stdout] 8de8c2eee6ca8ca0073091e7a2b7b018738268dae0bd40be15ac7b05f0608256