[INFO] cloning repository https://github.com/tsloughter/erlup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tsloughter/erlup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsloughter%2Ferlup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsloughter%2Ferlup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f936bc626633e2bf8baf15b2560b0d1d062304de
[INFO] checking tsloughter/erlup against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsloughter%2Ferlup" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tsloughter/erlup 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/tsloughter/erlup
[INFO] finished tweaking git repo https://github.com/tsloughter/erlup
[INFO] tweaked toml for git repo https://github.com/tsloughter/erlup written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tsloughter/erlup 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 indicatif v0.11.0
[INFO] [stderr]   Downloaded console v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6d262b3d649ce482c0918d2a7de7fc61d07a8be9e6a96b197bd5ca17c13ec0d9
[INFO] running `Command { std: "docker" "start" "-a" "6d262b3d649ce482c0918d2a7de7fc61d07a8be9e6a96b197bd5ca17c13ec0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d262b3d649ce482c0918d2a7de7fc61d07a8be9e6a96b197bd5ca17c13ec0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d262b3d649ce482c0918d2a7de7fc61d07a8be9e6a96b197bd5ca17c13ec0d9", kill_on_drop: false }`
[INFO] [stdout] 6d262b3d649ce482c0918d2a7de7fc61d07a8be9e6a96b197bd5ca17c13ec0d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 98f57bb335c6122b356e5be1ba00f4d83aefac7cba21bd397eb924bb5f4c1a85
[INFO] running `Command { std: "docker" "start" "-a" "98f57bb335c6122b356e5be1ba00f4d83aefac7cba21bd397eb924bb5f4c1a85", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking erlup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Path` is imported redundantly
[INFO] [stdout]   --> src/build.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 10 | use std::os::unix::fs;
[INFO] [stdout] 11 | use std::path::*;
[INFO] [stdout]    |     ------------ the item `Path` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Path` is imported redundantly
[INFO] [stdout]   --> src/build.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 10 | use std::os::unix::fs;
[INFO] [stdout] 11 | use std::path::*;
[INFO] [stdout]    |     ------------ the item `Path` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/build.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Fail(&'a str),
[INFO] [stdout]    |     ---- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Fail(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/build.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Fail(&'a str),
[INFO] [stdout]    |     ---- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Fail(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.99s
[INFO] running `Command { std: "docker" "inspect" "98f57bb335c6122b356e5be1ba00f4d83aefac7cba21bd397eb924bb5f4c1a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98f57bb335c6122b356e5be1ba00f4d83aefac7cba21bd397eb924bb5f4c1a85", kill_on_drop: false }`
[INFO] [stdout] 98f57bb335c6122b356e5be1ba00f4d83aefac7cba21bd397eb924bb5f4c1a85