[INFO] cloning repository https://github.com/chrisdone/pid1-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrisdone/pid1-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisdone%2Fpid1-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisdone%2Fpid1-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 871d2c7240761d1c5efdd48799e2515a0e2470fb
[INFO] checking chrisdone/pid1-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisdone%2Fpid1-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrisdone/pid1-rust 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/chrisdone/pid1-rust
[INFO] finished tweaking git repo https://github.com/chrisdone/pid1-rust
[INFO] tweaked toml for git repo https://github.com/chrisdone/pid1-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chrisdone/pid1-rust 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded users v0.7.0
[INFO] [stderr]   Downloaded bit-vec v0.4.4
[INFO] [stderr]   Downloaded chan-signal v0.3.2
[INFO] [stderr]   Downloaded bit-set v0.4.0
[INFO] [stderr]   Downloaded byteorder v1.2.6
[INFO] [stderr]   Downloaded chan v0.1.23
[INFO] [stderr]   Downloaded bytes v0.4.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5acdbb0d983d1bc86f60acf7509ba4021885e52c0b23f44a368999d2de37dca0
[INFO] running `Command { std: "docker" "start" "-a" "5acdbb0d983d1bc86f60acf7509ba4021885e52c0b23f44a368999d2de37dca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5acdbb0d983d1bc86f60acf7509ba4021885e52c0b23f44a368999d2de37dca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5acdbb0d983d1bc86f60acf7509ba4021885e52c0b23f44a368999d2de37dca0", kill_on_drop: false }`
[INFO] [stdout] 5acdbb0d983d1bc86f60acf7509ba4021885e52c0b23f44a368999d2de37dca0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 38ee5030778b9f332028c6dbbc6a1c98ca450cd8228ce764c079d9d02c470637
[INFO] running `Command { std: "docker" "start" "-a" "38ee5030778b9f332028c6dbbc6a1c98ca450cd8228ce764c079d9d02c470637", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking users v0.7.0
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking chan v0.1.23
[INFO] [stderr]     Checking chan-signal v0.3.2
[INFO] [stderr]     Checking pid1-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:94:23
[INFO] [stdout]    |
[INFO] [stdout] 94 |         Some(user) => try!(nix::unistd::setuid(nix::unistd::Uid::from_raw(user.uid())))
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:98:24
[INFO] [stdout]    |
[INFO] [stdout] 98 |         Some(group) => try!(nix::unistd::setgid(nix::unistd::Gid::from_raw(group.gid())))
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |             try!(std::env::set_current_dir(&root))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:94:23
[INFO] [stdout]    |
[INFO] [stdout] 94 |         Some(user) => try!(nix::unistd::setuid(nix::unistd::Uid::from_raw(user.uid())))
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:98:24
[INFO] [stdout]    |
[INFO] [stdout] 98 |         Some(group) => try!(nix::unistd::setgid(nix::unistd::Gid::from_raw(group.gid())))
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |             try!(std::env::set_current_dir(&root))
[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 3.23s
[INFO] running `Command { std: "docker" "inspect" "38ee5030778b9f332028c6dbbc6a1c98ca450cd8228ce764c079d9d02c470637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ee5030778b9f332028c6dbbc6a1c98ca450cd8228ce764c079d9d02c470637", kill_on_drop: false }`
[INFO] [stdout] 38ee5030778b9f332028c6dbbc6a1c98ca450cd8228ce764c079d9d02c470637
[INFO] checking chrisdone/pid1-rust against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisdone%2Fpid1-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrisdone/pid1-rust 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/chrisdone/pid1-rust
[INFO] finished tweaking git repo https://github.com/chrisdone/pid1-rust
[INFO] tweaked toml for git repo https://github.com/chrisdone/pid1-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chrisdone/pid1-rust 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dadd9294f6340ad8619e45cd1c49489485bc92821ea85796760bf5612b7ad3a6
[INFO] running `Command { std: "docker" "start" "-a" "dadd9294f6340ad8619e45cd1c49489485bc92821ea85796760bf5612b7ad3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dadd9294f6340ad8619e45cd1c49489485bc92821ea85796760bf5612b7ad3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dadd9294f6340ad8619e45cd1c49489485bc92821ea85796760bf5612b7ad3a6", kill_on_drop: false }`
[INFO] [stdout] dadd9294f6340ad8619e45cd1c49489485bc92821ea85796760bf5612b7ad3a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f99d2534a904be5795934d0b4061fd937476e56774c3dc78cf5e4f05f2996f9a
[INFO] running `Command { std: "docker" "start" "-a" "f99d2534a904be5795934d0b4061fd937476e56774c3dc78cf5e4f05f2996f9a", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking users v0.7.0
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking chan v0.1.23
[INFO] [stderr]     Checking chan-signal v0.3.2
[INFO] [stderr]     Checking pid1-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:94:23
[INFO] [stdout]    |
[INFO] [stdout] 94 |         Some(user) => try!(nix::unistd::setuid(nix::unistd::Uid::from_raw(user.uid())))
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:98:24
[INFO] [stdout]    |
[INFO] [stdout] 98 |         Some(group) => try!(nix::unistd::setgid(nix::unistd::Gid::from_raw(group.gid())))
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |             try!(std::env::set_current_dir(&root))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:94:23
[INFO] [stdout]    |
[INFO] [stdout] 94 |         Some(user) => try!(nix::unistd::setuid(nix::unistd::Uid::from_raw(user.uid())))
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:98:24
[INFO] [stdout]    |
[INFO] [stdout] 98 |         Some(group) => try!(nix::unistd::setgid(nix::unistd::Gid::from_raw(group.gid())))
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |             try!(std::env::set_current_dir(&root))
[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 3.17s
[INFO] running `Command { std: "docker" "inspect" "f99d2534a904be5795934d0b4061fd937476e56774c3dc78cf5e4f05f2996f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99d2534a904be5795934d0b4061fd937476e56774c3dc78cf5e4f05f2996f9a", kill_on_drop: false }`
[INFO] [stdout] f99d2534a904be5795934d0b4061fd937476e56774c3dc78cf5e4f05f2996f9a