[INFO] cloning repository https://github.com/rldleblanc/consistent_hash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rldleblanc/consistent_hash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frldleblanc%2Fconsistent_hash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frldleblanc%2Fconsistent_hash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1774e497ba53b58d1f8e3f67d08e6e5f1a672a44
[INFO] checking rldleblanc/consistent_hash against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frldleblanc%2Fconsistent_hash" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rldleblanc/consistent_hash on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rldleblanc/consistent_hash
[INFO] finished tweaking git repo https://github.com/rldleblanc/consistent_hash
[INFO] tweaked toml for git repo https://github.com/rldleblanc/consistent_hash written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rldleblanc/consistent_hash 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded murmur3 v0.5.2
[INFO] [stderr]   Downloaded consistent_hash v0.1.4
[INFO] [stderr]   Downloaded splay_tree v0.2.10
[INFO] [stderr]   Downloaded siphasher v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e3498ef5e2c35826bfcda4b867d195b2522c1351f51e1211b1afd696ce69783
[INFO] running `Command { std: "docker" "start" "-a" "3e3498ef5e2c35826bfcda4b867d195b2522c1351f51e1211b1afd696ce69783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e3498ef5e2c35826bfcda4b867d195b2522c1351f51e1211b1afd696ce69783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e3498ef5e2c35826bfcda4b867d195b2522c1351f51e1211b1afd696ce69783", kill_on_drop: false }`
[INFO] [stdout] 3e3498ef5e2c35826bfcda4b867d195b2522c1351f51e1211b1afd696ce69783
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 601c11623fa73fda71556bcca3e6fc76c1097bfac64abcb0f3fedf00c9ccc2dc
[INFO] running `Command { std: "docker" "start" "-a" "601c11623fa73fda71556bcca3e6fc76c1097bfac64abcb0f3fedf00c9ccc2dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]     Checking siphasher v0.1.3
[INFO] [stderr]     Checking murmur3 v0.5.2
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]     Checking consistent_hash v0.1.4
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking consistent_hash_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "601c11623fa73fda71556bcca3e6fc76c1097bfac64abcb0f3fedf00c9ccc2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "601c11623fa73fda71556bcca3e6fc76c1097bfac64abcb0f3fedf00c9ccc2dc", kill_on_drop: false }`
[INFO] [stdout] 601c11623fa73fda71556bcca3e6fc76c1097bfac64abcb0f3fedf00c9ccc2dc
[INFO] checking rldleblanc/consistent_hash against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frldleblanc%2Fconsistent_hash" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rldleblanc/consistent_hash on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rldleblanc/consistent_hash
[INFO] finished tweaking git repo https://github.com/rldleblanc/consistent_hash
[INFO] tweaked toml for git repo https://github.com/rldleblanc/consistent_hash written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rldleblanc/consistent_hash 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2fa18383318ebb779b53ad84778caf2120e055b9b456506a58a8602f559d6f1
[INFO] running `Command { std: "docker" "start" "-a" "c2fa18383318ebb779b53ad84778caf2120e055b9b456506a58a8602f559d6f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2fa18383318ebb779b53ad84778caf2120e055b9b456506a58a8602f559d6f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2fa18383318ebb779b53ad84778caf2120e055b9b456506a58a8602f559d6f1", kill_on_drop: false }`
[INFO] [stdout] c2fa18383318ebb779b53ad84778caf2120e055b9b456506a58a8602f559d6f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94009fa52485f96d0ac341a8fbcc3b81bd2b39cd6ad798983014e648976b5ac2
[INFO] running `Command { std: "docker" "start" "-a" "94009fa52485f96d0ac341a8fbcc3b81bd2b39cd6ad798983014e648976b5ac2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking siphasher v0.1.3
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]     Checking murmur3 v0.5.2
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]     Checking consistent_hash v0.1.4
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking consistent_hash_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 | /             match disk {
[INFO] [stdout] 34 | |                 Err(_) => return Some(candidate.key),
[INFO] [stdout] 35 | |                 _ => {
[INFO] [stdout] 36 | |                     //println!("Skipping failed disk {}!", candidate.key);
[INFO] [stdout] 37 | |                     continue;
[INFO] [stdout] 38 | |                 }
[INFO] [stdout] 39 | |             };
[INFO] [stdout]    | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 | /             match disk {
[INFO] [stdout] 34 | |                 Err(_) => return Some(candidate.key),
[INFO] [stdout] 35 | |                 _ => {
[INFO] [stdout] 36 | |                     //println!("Skipping failed disk {}!", candidate.key);
[INFO] [stdout] 37 | |                     continue;
[INFO] [stdout] 38 | |                 }
[INFO] [stdout] 39 | |             };
[INFO] [stdout]    | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `consistent_hash_test` (bin "consistent_hash_test") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `consistent_hash_test` (bin "consistent_hash_test" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "94009fa52485f96d0ac341a8fbcc3b81bd2b39cd6ad798983014e648976b5ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94009fa52485f96d0ac341a8fbcc3b81bd2b39cd6ad798983014e648976b5ac2", kill_on_drop: false }`
[INFO] [stdout] 94009fa52485f96d0ac341a8fbcc3b81bd2b39cd6ad798983014e648976b5ac2