[INFO] cloning repository https://github.com/cyphar/initrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cyphar/initrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyphar%2Finitrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyphar%2Finitrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72546167038c0c82cc221ed536880dee493134c3
[INFO] checking cyphar/initrs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyphar%2Finitrs" "/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/cyphar/initrs 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/cyphar/initrs
[INFO] finished tweaking git repo https://github.com/cyphar/initrs
[INFO] tweaked toml for git repo https://github.com/cyphar/initrs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cyphar/initrs 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]      Locking 1 package
[INFO] [stderr]     Updating initrs v0.1.0 (/workspace/builds/worker-7-tc1/source) -> v0.1.1
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.5.5
[INFO] [stderr]   Downloaded nix v0.8.1
[INFO] [stderr]   Downloaded quick-error v1.2.1
[INFO] [stderr]   Downloaded wincolor v0.1.6
[INFO] [stderr]   Downloaded termcolor v0.3.5
[INFO] [stderr]   Downloaded atty v0.2.3
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.32
[INFO] [stderr]   Downloaded clap v2.23.3
[INFO] [stderr]   Downloaded regex v0.2.9
[INFO] [stderr]   Downloaded libc v0.2.34
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.0
[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] 29951f1f5188c5e1f6df5810ed66528588da9abf61ac71dd62c2ec4c6ddc9d78
[INFO] running `Command { std: "docker" "start" "-a" "29951f1f5188c5e1f6df5810ed66528588da9abf61ac71dd62c2ec4c6ddc9d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29951f1f5188c5e1f6df5810ed66528588da9abf61ac71dd62c2ec4c6ddc9d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29951f1f5188c5e1f6df5810ed66528588da9abf61ac71dd62c2ec4c6ddc9d78", kill_on_drop: false }`
[INFO] [stdout] 29951f1f5188c5e1f6df5810ed66528588da9abf61ac71dd62c2ec4c6ddc9d78
[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] d4e6fc9d19aa607c81beb6474283349a975b1fb601ab114fc3d6f5764474b401
[INFO] running `Command { std: "docker" "start" "-a" "d4e6fc9d19aa607c81beb6474283349a975b1fb601ab114fc3d6f5764474b401", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v0.2.9
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking termcolor v0.3.5
[INFO] [stderr]     Checking vec_map v0.7.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking clap v2.23.3
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking env_logger v0.5.5
[INFO] [stderr]     Checking initrs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead
[INFO] [stdout]    --> src/main.rs:207:10
[INFO] [stdout]     |
[INFO] [stdout] 207 |         .before_exec(move || {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead
[INFO] [stdout]    --> src/main.rs:207:10
[INFO] [stdout]     |
[INFO] [stdout] 207 |         .before_exec(move || {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.45s
[INFO] running `Command { std: "docker" "inspect" "d4e6fc9d19aa607c81beb6474283349a975b1fb601ab114fc3d6f5764474b401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4e6fc9d19aa607c81beb6474283349a975b1fb601ab114fc3d6f5764474b401", kill_on_drop: false }`
[INFO] [stdout] d4e6fc9d19aa607c81beb6474283349a975b1fb601ab114fc3d6f5764474b401
[INFO] checking cyphar/initrs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyphar%2Finitrs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cyphar/initrs 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/cyphar/initrs
[INFO] finished tweaking git repo https://github.com/cyphar/initrs
[INFO] tweaked toml for git repo https://github.com/cyphar/initrs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cyphar/initrs 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3e6378f0c55156af627f925bd41dd77d270a70083d60e46a6e3a1772a7219fd0
[INFO] running `Command { std: "docker" "start" "-a" "3e6378f0c55156af627f925bd41dd77d270a70083d60e46a6e3a1772a7219fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e6378f0c55156af627f925bd41dd77d270a70083d60e46a6e3a1772a7219fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e6378f0c55156af627f925bd41dd77d270a70083d60e46a6e3a1772a7219fd0", kill_on_drop: false }`
[INFO] [stdout] 3e6378f0c55156af627f925bd41dd77d270a70083d60e46a6e3a1772a7219fd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 72083a0c9d0da181bc684ed6ed815b7573601eaefdafe93d935b3df3c7102216
[INFO] running `Command { std: "docker" "start" "-a" "72083a0c9d0da181bc684ed6ed815b7573601eaefdafe93d935b3df3c7102216", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v0.2.9
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.7.0
[INFO] [stderr]     Checking termcolor v0.3.5
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking clap v2.23.3
[INFO] [stderr]     Checking env_logger v0.5.5
[INFO] [stderr]     Checking initrs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead
[INFO] [stdout]    --> src/main.rs:207:10
[INFO] [stdout]     |
[INFO] [stdout] 207 |         .before_exec(move || {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead
[INFO] [stdout]    --> src/main.rs:207:10
[INFO] [stdout]     |
[INFO] [stdout] 207 |         .before_exec(move || {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.38s
[INFO] running `Command { std: "docker" "inspect" "72083a0c9d0da181bc684ed6ed815b7573601eaefdafe93d935b3df3c7102216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72083a0c9d0da181bc684ed6ed815b7573601eaefdafe93d935b3df3c7102216", kill_on_drop: false }`
[INFO] [stdout] 72083a0c9d0da181bc684ed6ed815b7573601eaefdafe93d935b3df3c7102216