[INFO] cloning repository https://github.com/not-holar/tur_to_tmd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/not-holar/tur_to_tmd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-holar%2Ftur_to_tmd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-holar%2Ftur_to_tmd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bd682b0749fb827c20db10e5b9fb1126005f823
[INFO] checking not-holar/tur_to_tmd against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-holar%2Ftur_to_tmd" "/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/not-holar/tur_to_tmd 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/not-holar/tur_to_tmd
[INFO] finished tweaking git repo https://github.com/not-holar/tur_to_tmd
[INFO] tweaked toml for git repo https://github.com/not-holar/tur_to_tmd written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/not-holar/tur_to_tmd 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 crossterm_winapi v0.1.2
[INFO] [stderr]   Downloaded crossterm v0.5.5
[INFO] [stderr]   Downloaded dont_disappear v3.0.0
[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] 01736a4ce6c4f00d0203aacde9202bd994e363c433a9ecb61f04de80cba3daca
[INFO] running `Command { std: "docker" "start" "-a" "01736a4ce6c4f00d0203aacde9202bd994e363c433a9ecb61f04de80cba3daca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01736a4ce6c4f00d0203aacde9202bd994e363c433a9ecb61f04de80cba3daca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01736a4ce6c4f00d0203aacde9202bd994e363c433a9ecb61f04de80cba3daca", kill_on_drop: false }`
[INFO] [stdout] 01736a4ce6c4f00d0203aacde9202bd994e363c433a9ecb61f04de80cba3daca
[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] 0640e3a50a6cf9717bfbbedc04365fb36c473415f365e8245643f74defe6ae84
[INFO] running `Command { std: "docker" "start" "-a" "0640e3a50a6cf9717bfbbedc04365fb36c473415f365e8245643f74defe6ae84", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking crossterm v0.5.5
[INFO] [stderr]     Checking dont_disappear v3.0.0
[INFO] [stderr]     Checking converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `dont_disappear` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dont_disappear;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ the item `dont_disappear` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dont_disappear` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dont_disappear;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ the item `dont_disappear` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 1.45s
[INFO] running `Command { std: "docker" "inspect" "0640e3a50a6cf9717bfbbedc04365fb36c473415f365e8245643f74defe6ae84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0640e3a50a6cf9717bfbbedc04365fb36c473415f365e8245643f74defe6ae84", kill_on_drop: false }`
[INFO] [stdout] 0640e3a50a6cf9717bfbbedc04365fb36c473415f365e8245643f74defe6ae84
[INFO] checking not-holar/tur_to_tmd against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-holar%2Ftur_to_tmd" "/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/not-holar/tur_to_tmd 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/not-holar/tur_to_tmd
[INFO] finished tweaking git repo https://github.com/not-holar/tur_to_tmd
[INFO] tweaked toml for git repo https://github.com/not-holar/tur_to_tmd written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/not-holar/tur_to_tmd 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] 2c1ee14fd03fba2554aed2fcfe29c778842982dab4f992e8848c15e56848843f
[INFO] running `Command { std: "docker" "start" "-a" "2c1ee14fd03fba2554aed2fcfe29c778842982dab4f992e8848c15e56848843f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c1ee14fd03fba2554aed2fcfe29c778842982dab4f992e8848c15e56848843f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1ee14fd03fba2554aed2fcfe29c778842982dab4f992e8848c15e56848843f", kill_on_drop: false }`
[INFO] [stdout] 2c1ee14fd03fba2554aed2fcfe29c778842982dab4f992e8848c15e56848843f
[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] 72f31a22533ebc0c14176ec3520eac5c7805c246141b2f6fce47c58833fe26d7
[INFO] running `Command { std: "docker" "start" "-a" "72f31a22533ebc0c14176ec3520eac5c7805c246141b2f6fce47c58833fe26d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking crossterm v0.5.5
[INFO] [stderr]     Checking dont_disappear v3.0.0
[INFO] [stderr]     Checking converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `dont_disappear` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dont_disappear;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ the item `dont_disappear` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dont_disappear` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dont_disappear;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ the item `dont_disappear` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 1.41s
[INFO] running `Command { std: "docker" "inspect" "72f31a22533ebc0c14176ec3520eac5c7805c246141b2f6fce47c58833fe26d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f31a22533ebc0c14176ec3520eac5c7805c246141b2f6fce47c58833fe26d7", kill_on_drop: false }`
[INFO] [stdout] 72f31a22533ebc0c14176ec3520eac5c7805c246141b2f6fce47c58833fe26d7