[INFO] cloning repository https://github.com/3to5thpower/my-git
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/3to5thpower/my-git" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3to5thpower%2Fmy-git", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3to5thpower%2Fmy-git'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6569abe59f07af034bfc74a915d379a4b7cea328
[INFO] checking 3to5thpower/my-git against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3to5thpower%2Fmy-git" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/3to5thpower/my-git 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/3to5thpower/my-git
[INFO] finished tweaking git repo https://github.com/3to5thpower/my-git
[INFO] tweaked toml for git repo https://github.com/3to5thpower/my-git written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/3to5thpower/my-git 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 sha-1 v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fc3a66c6caf4bda7c3c64482a2be8c76cce6a2dcd52346663a15c5758288480e
[INFO] running `Command { std: "docker" "start" "-a" "fc3a66c6caf4bda7c3c64482a2be8c76cce6a2dcd52346663a15c5758288480e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc3a66c6caf4bda7c3c64482a2be8c76cce6a2dcd52346663a15c5758288480e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc3a66c6caf4bda7c3c64482a2be8c76cce6a2dcd52346663a15c5758288480e", kill_on_drop: false }`
[INFO] [stdout] fc3a66c6caf4bda7c3c64482a2be8c76cce6a2dcd52346663a15c5758288480e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 77922cad30620da570d6d063746a83ec9b117704759f64b720d9ca675bbb8e8d
[INFO] running `Command { std: "docker" "start" "-a" "77922cad30620da570d6d063746a83ec9b117704759f64b720d9ca675bbb8e8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking libflate_lz77 v1.0.0
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking libflate v1.0.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking my-git v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Encoder`
[INFO] [stdout]  --> src/main.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libflate::zlib::{Decoder, Encoder};
[INFO] [stdout]   |                               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::ObjectType`
[INFO] [stdout]  --> src/object/tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::ObjectType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Encoder`
[INFO] [stdout]  --> src/main.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libflate::zlib::{Decoder, Encoder};
[INFO] [stdout]   |                               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::ObjectType`
[INFO] [stdout]  --> src/object/tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::ObjectType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.22s
[INFO] running `Command { std: "docker" "inspect" "77922cad30620da570d6d063746a83ec9b117704759f64b720d9ca675bbb8e8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77922cad30620da570d6d063746a83ec9b117704759f64b720d9ca675bbb8e8d", kill_on_drop: false }`
[INFO] [stdout] 77922cad30620da570d6d063746a83ec9b117704759f64b720d9ca675bbb8e8d
[INFO] checking 3to5thpower/my-git against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3to5thpower%2Fmy-git" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/3to5thpower/my-git on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/3to5thpower/my-git
[INFO] finished tweaking git repo https://github.com/3to5thpower/my-git
[INFO] tweaked toml for git repo https://github.com/3to5thpower/my-git written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/3to5thpower/my-git 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a1be21567184fd7889ebaeebf584da358730e62bf004a471965e5bf3029d5da
[INFO] running `Command { std: "docker" "start" "-a" "9a1be21567184fd7889ebaeebf584da358730e62bf004a471965e5bf3029d5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a1be21567184fd7889ebaeebf584da358730e62bf004a471965e5bf3029d5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a1be21567184fd7889ebaeebf584da358730e62bf004a471965e5bf3029d5da", kill_on_drop: false }`
[INFO] [stdout] 9a1be21567184fd7889ebaeebf584da358730e62bf004a471965e5bf3029d5da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56b5600435d89993b61b871eb0b41a9c1b0f98c93d8cd612244ce42a006a297b
[INFO] running `Command { std: "docker" "start" "-a" "56b5600435d89993b61b871eb0b41a9c1b0f98c93d8cd612244ce42a006a297b", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking libflate_lz77 v1.0.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking libflate v1.0.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking my-git v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Encoder`
[INFO] [stdout]  --> src/main.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libflate::zlib::{Decoder, Encoder};
[INFO] [stdout]   |                               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::ObjectType`
[INFO] [stdout]  --> src/object/tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::ObjectType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Encoder`
[INFO] [stdout]  --> src/main.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libflate::zlib::{Decoder, Encoder};
[INFO] [stdout]   |                               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::ObjectType`
[INFO] [stdout]  --> src/object/tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::ObjectType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `Command { std: "docker" "inspect" "56b5600435d89993b61b871eb0b41a9c1b0f98c93d8cd612244ce42a006a297b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56b5600435d89993b61b871eb0b41a9c1b0f98c93d8cd612244ce42a006a297b", kill_on_drop: false }`
[INFO] [stdout] 56b5600435d89993b61b871eb0b41a9c1b0f98c93d8cd612244ce42a006a297b