[INFO] cloning repository https://github.com/openstax-poland/gitpub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/openstax-poland/gitpub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopenstax-poland%2Fgitpub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopenstax-poland%2Fgitpub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2447778a0c5f7befb735840be54896942deb161
[INFO] checking openstax-poland/gitpub against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopenstax-poland%2Fgitpub" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/openstax-poland/gitpub 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/openstax-poland/gitpub
[INFO] finished tweaking git repo https://github.com/openstax-poland/gitpub
[INFO] tweaked toml for git repo https://github.com/openstax-poland/gitpub written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/openstax-poland/gitpub 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 ctor v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4f81f786d6f5d60bb084a39d61aae3ea4d12d71f93d73a1864f666ccb6cfad19
[INFO] running `Command { std: "docker" "start" "-a" "4f81f786d6f5d60bb084a39d61aae3ea4d12d71f93d73a1864f666ccb6cfad19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f81f786d6f5d60bb084a39d61aae3ea4d12d71f93d73a1864f666ccb6cfad19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f81f786d6f5d60bb084a39d61aae3ea4d12d71f93d73a1864f666ccb6cfad19", kill_on_drop: false }`
[INFO] [stdout] 4f81f786d6f5d60bb084a39d61aae3ea4d12d71f93d73a1864f666ccb6cfad19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b7f284557ca8cf873903532bba851625f4efccc5a16c95a6f1002b9f85d7c80a
[INFO] running `Command { std: "docker" "start" "-a" "b7f284557ca8cf873903532bba851625f4efccc5a16c95a6f1002b9f85d7c80a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling rustix v0.38.24
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking env_logger v0.10.1
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]     Checking xattr v1.0.1
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking termion v2.0.3
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking tar v0.4.40
[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.95
[INFO] [stderr]    Compiling libssh2-sys v0.3.0
[INFO] [stderr]    Compiling libgit2-sys v0.16.1+1.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling ctor v0.2.5
[INFO] [stderr]     Checking git2 v0.18.1
[INFO] [stderr]     Checking argh_shared v0.1.12
[INFO] [stderr]    Compiling argh_derive v0.1.12
[INFO] [stderr]     Checking argh v0.1.12
[INFO] [stderr]     Checking gitpub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `S` is never constructed
[INFO] [stdout]   --> src/main.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct S;
[INFO] [stdout]    |        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `R` is never constructed
[INFO] [stdout]   --> src/main.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct R;
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clean` is never used
[INFO] [stdout]   --> src/engine/mod.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub trait Engine {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn clean(&mut self) -> Result<()>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S` is never constructed
[INFO] [stdout]   --> src/main.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct S;
[INFO] [stdout]    |        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `R` is never constructed
[INFO] [stdout]   --> src/main.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct R;
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clean` is never used
[INFO] [stdout]   --> src/engine/mod.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub trait Engine {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn clean(&mut self) -> Result<()>;
[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 23.89s
[INFO] running `Command { std: "docker" "inspect" "b7f284557ca8cf873903532bba851625f4efccc5a16c95a6f1002b9f85d7c80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7f284557ca8cf873903532bba851625f4efccc5a16c95a6f1002b9f85d7c80a", kill_on_drop: false }`
[INFO] [stdout] b7f284557ca8cf873903532bba851625f4efccc5a16c95a6f1002b9f85d7c80a
[INFO] checking openstax-poland/gitpub against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopenstax-poland%2Fgitpub" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/openstax-poland/gitpub 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/openstax-poland/gitpub
[INFO] finished tweaking git repo https://github.com/openstax-poland/gitpub
[INFO] tweaked toml for git repo https://github.com/openstax-poland/gitpub written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/openstax-poland/gitpub 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7f4aeeface2c1f9710a6efc3abae00dd95d9e139dded7de6eac2d6df01793efc
[INFO] running `Command { std: "docker" "start" "-a" "7f4aeeface2c1f9710a6efc3abae00dd95d9e139dded7de6eac2d6df01793efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f4aeeface2c1f9710a6efc3abae00dd95d9e139dded7de6eac2d6df01793efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f4aeeface2c1f9710a6efc3abae00dd95d9e139dded7de6eac2d6df01793efc", kill_on_drop: false }`
[INFO] [stdout] 7f4aeeface2c1f9710a6efc3abae00dd95d9e139dded7de6eac2d6df01793efc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 28bae31348d5898e3c571dcbb6960e16273f5b177d5416eee369213aa4103607
[INFO] running `Command { std: "docker" "start" "-a" "28bae31348d5898e3c571dcbb6960e16273f5b177d5416eee369213aa4103607", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling rustix v0.38.24
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking env_logger v0.10.1
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking xattr v1.0.1
[INFO] [stderr]     Checking termion v2.0.3
[INFO] [stderr]     Checking tar v0.4.40
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.95
[INFO] [stderr]    Compiling libssh2-sys v0.3.0
[INFO] [stderr]    Compiling libgit2-sys v0.16.1+1.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling ctor v0.2.5
[INFO] [stderr]     Checking git2 v0.18.1
[INFO] [stderr]     Checking argh_shared v0.1.12
[INFO] [stderr]    Compiling argh_derive v0.1.12
[INFO] [stderr]     Checking argh v0.1.12
[INFO] [stderr]     Checking gitpub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `S` is never constructed
[INFO] [stdout]   --> src/main.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct S;
[INFO] [stdout]    |        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S` is never constructed
[INFO] [stdout]   --> src/main.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct S;
[INFO] [stdout]    |        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `R` is never constructed
[INFO] [stdout]   --> src/main.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct R;
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clean` is never used
[INFO] [stdout]   --> src/engine/mod.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub trait Engine {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn clean(&mut self) -> Result<()>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `R` is never constructed
[INFO] [stdout]   --> src/main.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct R;
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clean` is never used
[INFO] [stdout]   --> src/engine/mod.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub trait Engine {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn clean(&mut self) -> Result<()>;
[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 19.02s
[INFO] running `Command { std: "docker" "inspect" "28bae31348d5898e3c571dcbb6960e16273f5b177d5416eee369213aa4103607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28bae31348d5898e3c571dcbb6960e16273f5b177d5416eee369213aa4103607", kill_on_drop: false }`
[INFO] [stdout] 28bae31348d5898e3c571dcbb6960e16273f5b177d5416eee369213aa4103607